Chih-Hao Chang

Works (54)

Updated: March 28th, 2024 08:59

2022 journal article

Anelasticity in thin-shell nanolattices

PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 119(38).

By: I. Chen *, F. Poblete  n, A. Bagal n, Y. Zhu n  & C. Chang*

author keywords: anelasticity; 3D nanostructures; nanolattices; nanoindentation
topics (OpenAlex): Calcium Carbonate Crystallization and Inhibition; Advanced ceramic materials synthesis; Bone Tissue Engineering Materials
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7. Affordable and Clean Energy (OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: January 23, 2023

2022 journal article

Cavity Engineering of Perovskite Distributed Feedback Lasers

ACS Photonics, 9(9), 3124–3133.

By: Q. Dong n, X. Fu, D. Seyitliyev n, K. Darabi n, J. Mendes n, L. Lei n, Y. Chen*, C. Chang* ...

author keywords: perovskite lasers; distributed feedback lasers; cavity fabrication; cavity engineering
topics (OpenAlex): Perovskite Materials and Applications; Solid State Laser Technologies; Optical properties and cooling technologies in crystalline materials
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Sources: Web Of Science, ORCID, NC State University Libraries, Crossref
Added: August 19, 2022

2021 journal article

Directional Polarized Light Emission from Thin‐Film Light‐Emitting Diodes

Advanced Materials, 33(9), 2006801.

By: X. Fu, Y. Mehta n, Y. Chen*, L. Lei n, L. Zhu n , N. Barange n, Q. Dong n, S. Yin n  ...

author keywords: beam shaping; organic light-emitting diodes; perovskite light-emitting diodes; polarized light; waveguides
topics (OpenAlex): Organic Light-Emitting Diodes Research; Perovskite Materials and Applications; Organic Electronics and Photovoltaics
TL;DR: By selectively diffracting the transverse electric (TE) waveguide mode while suppressing other optical modes in a nanostructured LED, the authors demonstrate highly directional light emission from a full-area organic LED with a small divergence angle less than 3° and a TE to transverse magnetic (TM) polarization extinction ratio of 13.6%. (via Semantic Scholar)
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Added: February 15, 2021

2020 journal article

Active Periodic Magnetic Nanostructures with High Aspect Ratio and Ultrahigh Pillar Density

ACS APPLIED MATERIALS & INTERFACES, 12(9), 11135–11143.

By: Z. Luo n, X. Zhang  n, B. Evans * & C. Chang n

author keywords: dynamic materials; active nanostructures; nanofabrication; magnetic nanoparticles; high aspect ratio
topics (OpenAlex): Micro and Nano Robotics; Advanced Materials and Mechanics; Surface Modification and Superhydrophobicity
TL;DR: Active periodic nanostructures with pillar density of 0.25 pillar/μm^2 are demonstrated, which is the highest density for magnetically actuated pillars so far, and can find potential applications in particle manipulation and tunable photonic elements. (via Semantic Scholar)
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Source: Web Of Science
Added: March 30, 2020

2020 journal article

Efficient Energy Funneling in Quasi-2D Perovskites: From Light Emission to Lasing

ADVANCED MATERIALS, 32(16).

By: L. Lei n, D. Seyitliyev n, S. Stuard n, J. Mendes n, Q. Dong n, X. Fu, Y. Chen n, S. He  n ...

author keywords: amplified spontaneous emission; distributed-feedback lasers; energy funneling; light-emitting diodes; quasi-2D perovskites
topics (OpenAlex): Perovskite Materials and Applications; Quantum Dots Synthesis And Properties; Chalcogenide Semiconductor Thin Films
TL;DR: The results show that it is important to control the morphology of the quasi-2D films to achieve efficient energy transfer, which is a critical requirement for light-emitting devices. (via Semantic Scholar)
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7. Affordable and Clean Energy (Web of Science; OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: March 16, 2020

2020 journal article

Mode Dispersion in Photonic Crystal Organic Light-Emitting Diodes

ACS APPLIED ELECTRONIC MATERIALS, 2(6), 1759–1767.

By: X. Fu, C. Peng n, M. Samal n, N. Barange n, Y. Chen*, D. Shin n, Y. Mehta  n, A. Rozelle n, C. Chang*, F. So n 

author keywords: OLED; photonic crystal; optical modes; photonic band gap; light extraction
topics (OpenAlex): Photonic Crystals and Applications; Organic Light-Emitting Diodes Research; Plasmonic and Surface Plasmon Research
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Sources: Web Of Science, NC State University Libraries
Added: July 20, 2020

2020 journal article

Multi-layered domain morphology in relaxor single crystals with nano-patterned composite electrode

ACTA MATERIALIA, 182, 10–17.

By: C. Luo n, W. Chang n, M. Gao *, C. Chang n, J. Li*, D. Viehland *, J. Tian *, X. Jiang n 

author keywords: Piezoelectricity; Domain engineering; Single crystal; Piezoresponse force microscopy (PFM); Ferroelectric relaxor
topics (OpenAlex): Ferroelectric and Piezoelectric Materials; Acoustic Wave Resonator Technologies; Dielectric materials and actuators
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Sources: Web Of Science, NC State University Libraries
Added: December 30, 2019

2020 journal article

Recovering cavity effects in corrugated organic light emitting diodes

OPTICS EXPRESS, 28(21), 32214–32225.

By: X. Fu, Y. Chen*, D. Shin n, Y. Mehta n, I. Chen*, N. Barange n, L. Zhu n , S. Amoah n, C. Chang*, F. So n 

topics (OpenAlex): Organic Light-Emitting Diodes Research; Organic Electronics and Photovoltaics; Semiconductor Quantum Structures and Devices
TL;DR: It is found that the cavity effects can be partially recovered using a low index Teflon layer inserted between the ITO anode and the substrate due to the enhancement of the reflectance of the corrugated electrodes. (via Semantic Scholar)
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Sources: Web Of Science, NC State University Libraries
Added: November 16, 2020

2019 journal article

Enhancing optical transmission of multilayer composites using interfacial nanostructures

JOURNAL OF APPLIED PHYSICS, 126(6).

By: Y. Chen n, S. Naidu n, Z. Luo n & C. Chang n

topics (OpenAlex): Optical Coatings and Gratings; Photonic and Optical Devices; Advanced Fiber Optic Sensors
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Source: Web Of Science
Added: September 3, 2019

2019 journal article

Increasing etching depth of sapphire nanostructures using multilayer etching mask

JOURNAL OF VACUUM SCIENCE & TECHNOLOGY B, 37(6).

By: Y. Chen n, I. Chen n & C. Chang n

topics (OpenAlex): Optical Coatings and Gratings; Surface Modification and Superhydrophobicity; Thin-Film Transistor Technologies
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Source: Web Of Science
Added: April 14, 2020

2019 journal article

Magnetically Actuated Dynamic Iridescence Inspired by the Neon Tetra

ACS NANO, 13(4), 4657–4666.

By: Z. Luo n, B. Evans * & C. Chang n

author keywords: dynamic iridescence; neon tetra; structural coloration; ferrofluid; magnetic nanoparticles
topics (OpenAlex): Photonic Crystals and Applications; Orbital Angular Momentum in Optics; Electrowetting and Microfluidic Technologies
TL;DR: In this method, a periodic array of magnetic nanopillars serves as a template to guide the assembly of iron oxide nanoparticles when magnetized in a liquid environment, allowing the structure to tilt about the base when the angle of the applied field is changed. (via Semantic Scholar)
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14. Life Below Water (OpenAlex)
Source: Web Of Science
Added: June 4, 2019

2019 review

Recent progress in near-field nanolithography using light interactions with colloidal particles: from nanospheres to three-dimensional nanostructures

[Review of ]. NANOTECHNOLOGY, 30(35).

By: X. Zhang*, I. Chen n & C. Chang n

author keywords: colloidal particles; self-assembly; nanosphere; 3D nanolithography; 3D nanostructures
topics (OpenAlex): Near-Field Optical Microscopy; Photonic Crystals and Applications; Plasmonic and Surface Plasmon Research
TL;DR: This review article will report recent progress in utilizing self-assembly of colloidal particles for nanolithography, outlining the underlying optical effects, review the geometries that can be fabricated, discuss key limitations, and highlight potential applications in nanophotonics, optoelectronic devices, and nanoarchitectured materials. (via Semantic Scholar)
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13. Climate Action (Web of Science)
Source: Web Of Science
Added: July 1, 2019

2018 journal article

Atomic Layer Deposition: Conformal Physical Vapor Deposition Assisted by Atomic Layer Deposition and Its Application for Stretchable Conductors (Adv. Mater. Interfaces 22/2018)

Advanced Materials Interfaces, 5(22), 1870109.

By: J. Min n, Y. Chen  n, I. Chen  n, T. Sun n, D. Lee  n, C. Li n, Y. Zhu n , B. O'Connor n, G. Parsons n , C. Chang n

topics (OpenAlex): Semiconductor materials and devices; Metal and Thin Film Mechanics; Nanofabrication and Lithography Techniques
Sources: Crossref, NC State University Libraries
Added: January 19, 2020

2018 journal article

Conformal Physical Vapor Deposition Assisted by Atomic Layer Deposition and Its Application for Stretchable Conductors

ADVANCED MATERIALS INTERFACES, 5(22).

By: J. Min n, Y. Chen n, I. Chen  n, T. Sun n, D. Lee  n, C. Li n, Y. Zhu n , . Brendan T. O'Connor  n, G. Parsons n , C. Chang n

author keywords: atomic layer deposition; conformal thin films; physical vapor deposition; stretchable electronics
topics (OpenAlex): Advanced Sensor and Energy Harvesting Materials; Nanomaterials and Printing Technologies; ZnO doping and properties
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Sources: Web Of Science, NC State University Libraries
Added: December 10, 2018

2018 article

Evaluation of Photoacoustic Transduction Efficiency of Candle Soot Nanocomposite Transmitters

Chang, W.-Y., Zhang, X. A., Kim, J., Huang, W., Bagal, A., Chang, C.-H., … Jiang, X. (2018, September). IEEE TRANSACTIONS ON NANOTECHNOLOGY, Vol. 17, pp. 985–993.

By: W. Chang n, X. Zhang  n, J. Kim  n, W. Huang*, A. Bagal n, C. Chang n, T. Fang n , H. Wu*, X. Jiang n 

Contributors: W. Chang n, X. Zhang  n, J. Kim  n, W. Huang*, A. Bagal n, C. Chang n, T. Fang n , H. Wu*, X. Jiang n 

author keywords: Photoacoustic efficiency; FDTD simulation; candle soot; carbon nanoparticles; PDMS; nanocomposite
topics (OpenAlex): Transition Metal Oxide Nanomaterials; Luminescence Properties of Advanced Materials; Photoacoustic and Ultrasonic Imaging
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7. Affordable and Clean Energy (OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: October 16, 2018

2018 journal article

Patterned nano-domains in PMN-PT single crystals

Acta Materialia, 143, 166–173.

By: W. Chang n, C. Chung n, Z. Yuan n, C. Chang n, J. Tian *, D. Viehland *, J. Li*, J. Jones n , X. Jiang n 

Contributors: W. Chang n, C. Chung n, Z. Yuan n, C. Chang n, J. Tian *, D. Viehland *, J. Li*, J. Jones n , X. Jiang n 

author keywords: Piezoelectricity; Atomic force microscopy (AFM); Diffusion; Nanodomains; Single crystal
topics (OpenAlex): Ferroelectric and Piezoelectric Materials; Acoustic Wave Resonator Technologies; Dielectric materials and actuators
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Sources: Web Of Science, NC State University Libraries, ORCID, Crossref
Added: August 6, 2018

2018 journal article

Twin photonic nanojets generated from coherent illumination of microscale sphere and cylinder

Nanotechnology, 29(7), 075204.

By: A. Poteet n, X. Zhang*, H. Nagai & C. Chang*

author keywords: photonic nanojet; particle scattering; Mie theory; nanolithography
topics (OpenAlex): Near-Field Optical Microscopy; Photonic Crystals and Applications; Advanced Fluorescence Microscopy Techniques
TL;DR: This work investigates the generation of twin photonic nanojets through the illumination of a microsphere or cylinder from two coherent sources with relative phase shift, and finds the width, length, and intensity enhancement factor of the nanojet geometry are found to be functions of the phase, angle offsets, and particle geometry. (via Semantic Scholar)
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13. Climate Action (Web of Science)
Sources: Web Of Science, Crossref
Added: August 6, 2018

2017 journal article

Enhanced total internal reflection using low-index nanolattice materials

OPTICS LETTERS, 42(20), 4123–4126.

By: X. Zhang n, Y. Chen n, A. Bagal n & C. Chang n

topics (OpenAlex): Optical Coatings and Gratings; Photonic and Optical Devices; Photonic Crystals and Applications
TL;DR: Enhanced total internal reflection (TIR) induced by integrating robust nanolattice materials with periodic architectures between high-index media is demonstrated. (via Semantic Scholar)
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Source: Web Of Science
Added: August 6, 2018

2017 journal article

Large-Area Nanolattice Film with Enhanced Modulus, Hardness, and Energy Dissipation

Scientific Reports, 7(1).

By: A. Bagal n, X. Zhang n, R. Shahrin n, E. Dandley n, J. Zhao  n, F. Poblete  n, C. Oldham  n, Y. Zhu n  ...

topics (OpenAlex): Silicone and Siloxane Chemistry; Surface Modification and Superhydrophobicity; Metal and Thin Film Mechanics
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7. Affordable and Clean Energy (OpenAlex)
Sources: Crossref, ORCID, NC State University Libraries, NC State University Libraries
Added: August 6, 2018

2017 journal article

Nanostructured antireflective in-plane solar harvester

OPTICS EXPRESS, 25(16), A840–A850.

By: J. Tippens n, A. Bagal n, X. Zhang n & C. Chang n

topics (OpenAlex): Electrowetting and Microfluidic Technologies; solar cell performance optimization; Optical Coatings and Gratings
TL;DR: The demonstrated solar harvester can be potentially be widely deployed in residential and commercial buildings as multifunctional windows for solar energy harvesting, scavenging, spectra splitting, and anti-glare properties. (via Semantic Scholar)
UN Sustainable Development Goals Color Wheel
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7. Affordable and Clean Energy (Web of Science; OpenAlex)
Source: Web Of Science
Added: August 6, 2018

2017 journal article

Three-dimensional colloidal interference lithography

Nanotechnology, 28(12), 125302.

By: H. Nagai n, A. Poteet n, X. Zhang n & C. Chang n

author keywords: nanolithography; three-dimensional nanostructures; colloids; self-assembly; interference lithography
topics (OpenAlex): Near-Field Optical Microscopy; Orbital Angular Momentum in Optics; Photonic Crystals and Applications
TL;DR: Through the introduction of single colloidal particles, the fabrication capability of Lloyd's mirror interference can now be extended to fabrication of 3D nanostructure with complex shell geometry, which could find potential applications in the area of photonics, drug delivery, and nanofluidics. (via Semantic Scholar)
Sources: Crossref, Web Of Science
Added: August 6, 2018

2016 journal article

Designing unit cell in three-dimensional periodic nanostructures using colloidal lithography

OPTICS EXPRESS, 24(2), A276–A284.

By: J. Min*, X. Zhang* & C. Chang*

topics (OpenAlex): Photonic Crystals and Applications; Nanofabrication and Lithography Techniques; Photonic and Optical Devices
TL;DR: This work investigates the design and control of the unit-cell geometry by examining the relative ratio of the illumination wavelength and colloidal nanosphere diameter, using analytical and finite-difference time-domain (FDTD) modeling. (via Semantic Scholar)
Source: Web Of Science
Added: August 6, 2018

2016 journal article

Fabrication and design of metal nano-accordion structures using atomic layer deposition and interference lithography

NANOSCALE, 8(9), 4984–4990.

By: J. Min n, A. Bagal n, J. Mundy n, C. Oldham n, B. Wu *, G. Parsons n , C. Chang n

Contributors: J. Min n, A. Bagal n, J. Mundy n, C. Oldham n, B. Wu *, G. Parsons n , C. Chang n

topics (OpenAlex): Nanowire Synthesis and Applications; Nanomaterials and Printing Technologies; Molecular Junctions and Nanostructures
TL;DR: This study has developed a method to fabricate and control novel complex platinum nanostructures with accordion-like profile using atomic layer deposition on lithographically patterned polymer templates. (via Semantic Scholar)
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Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2016 journal article

Fabrication and structural properties of AlN submicron periodic lateral polar structures and waveguides for UV-C applications

APPLIED PHYSICS LETTERS, 108(26).

By: D. Alden n, W. Guo n, R. Kirste  n, F. Kaess n, I. Bryan n, T. Troha  n, A. Bagal n, P. Reddy n  ...

Contributors: D. Alden n, W. Guo n, R. Kirste  n, F. Kaess n, I. Bryan n, T. Troha  n, A. Bagal n, P. Reddy n  ...

topics (OpenAlex): GaN-based semiconductor devices and materials; Metal and Thin Film Mechanics; Acoustic Wave Resonator Technologies
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2016 journal article

Wicking Enhancement in Three-Dimensional Hierarchical Nanostructures

LANGMUIR, 32(32), 8029–8033.

By: Z. Wang  n, J. Zhao n, A. Bagal n, E. Dandley n, C. Oldham n, T. Fang n , G. Parsons n , C. Chang n

Contributors: Z. Wang  n, J. Zhao n, A. Bagal n, E. Dandley n, C. Oldham n, T. Fang n , G. Parsons n , C. Chang n

topics (OpenAlex): Surface Modification and Superhydrophobicity; Advanced Sensor and Energy Harvesting Materials; Fluid Dynamics and Thin Films
TL;DR: Enhanced wicking dynamics is demonstrated by using nanostructures with three-dimensional (3D) hierarchical features to increase the surface area while mitigating the obstruction of liquid flow. (via Semantic Scholar)
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Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2015 journal article

3D Nanostructures: Sculpting Asymmetric, Hollow-Core, Three-Dimensional Nanostructures Using Colloidal Particles (Small 11/2015)

Small, 11(11), 1226–1226.

By: X. Zhang  n, B. Dai  n, Z. Xu  n & C. Chang n

topics (OpenAlex): Pickering emulsions and particle stabilization; Bone Tissue Engineering Materials; Electrospun Nanofibers in Biomedical Applications
Source: Crossref
Added: January 19, 2020

2015 journal article

Fabrication of three-dimensional hierarchical nanostructures using template-directed colloidal assembly

NANOSCALE, 7(10), 4406–4410.

By: J. Elek n, X. Zhang n, B. Dai  n, Z. Xu n & C. Chang n

topics (OpenAlex): Photonic Crystals and Applications; Pickering emulsions and particle stabilization; Biocrusts and Microbial Ecology
TL;DR: Optical effects in template-directed colloidal assembly are explored to fabricate microscale patterns with integrated three-dimensional (3D) nanostructures to enable low-cost fabrication of hierarchical devices. (via Semantic Scholar)
Source: Web Of Science
Added: August 6, 2018

2015 journal article

Multifunctional nano-accordion structures for stretchable transparent conductors

MATERIALS HORIZONS, 2(5), 486–494.

By: A. Bagal n, E. Dandley n, J. Zhao n, X. Zhang n, C. Oldham n, G. Parsons n , C. Chang n

Contributors: A. Bagal n, E. Dandley n, J. Zhao n, X. Zhang n, C. Oldham n, G. Parsons n , C. Chang n

topics (OpenAlex): Advanced Sensor and Energy Harvesting Materials; Conducting polymers and applications; Nanomaterials and Printing Technologies
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Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2015 journal article

Ordered 3D Thin-Shell Nanolattice Materials with Near-Unity Refractive Indices

ADVANCED FUNCTIONAL MATERIALS, 25(42), 6644–6649.

By: X. Zhang n, A. Bagal n, E. Dandley n, J. Zhao n, C. Oldham n, B. Wu *, G. Parsons n , C. Chang n

Contributors: X. Zhang n, A. Bagal n, E. Dandley n, J. Zhao n, C. Oldham n, B. Wu *, G. Parsons n , C. Chang n

topics (OpenAlex): Photonic Crystals and Applications; Optical Coatings and Gratings; Metamaterials and Metasurfaces Applications
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2015 journal article

Sculpting Asymmetric, Hollow-Core, Three-Dimensional Nanostructures Using Colloidal Particles

SMALL, 11(11), 1285–1292.

By: X. Zhang n, B. Dai  n, Z. Xu  n & C. Chang n

topics (OpenAlex): Photonic Crystals and Applications; Nonlinear Optical Materials Studies; Nanofabrication and Lithography Techniques
TL;DR: A nanolithography technique is demonstrated based on oblique illuminations of colloidal particles to fabricate hollow-core 3D nanostructures with complex symmetry that has high pattern versatility, is low cost and high throughput, and can find potential application in nanoneedles, nanonozzles, and materials with anisotropic properties. (via Semantic Scholar)
Source: Web Of Science
Added: August 6, 2018

2013 journal article

Antireflection effects at nanostructured material interfaces and the suppression of thin-film interference

NANOTECHNOLOGY, 24(23).

By: Q. Yang n, X. Zhang  n, A. Bagal n, W. Guo n & C. Chang n

MeSH headings : Animals; Nanostructures / chemistry; Nanostructures / ultrastructure; Optical Phenomena; Polymers / chemistry; Silicon / chemistry
topics (OpenAlex): Optical Coatings and Gratings; Photonic Crystals and Applications; Thin-Film Transistor Technologies
TL;DR: This work describes the use of interfacial nanostructures to eliminate interference effects in thin films using the same principle inspired by moth-eye structures, and creates an effective medium where the index is gradually varying between the neighboring materials. (via Semantic Scholar)
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Added: August 6, 2018

2013 journal article

Fabrication of subwavelength periodic nanostructures using liquid immersion Lloyd's mirror interference lithography

OPTICS LETTERS, 38(14), 2531–2534.

By: A. Bagal n & C. Chang n

topics (OpenAlex): Optical Coatings and Gratings; Photonic Crystals and Applications; Photonic and Optical Devices
TL;DR: A liquid immersion Lloyd's mirror interference lithography system to fabricate subwavelength periodic nanostructures and successfully fabricated a grating structure with 112 nm period using a laser with 325 nm wavelength, attaining a numerical aperture of 1.45. (via Semantic Scholar)
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Added: August 6, 2018

2013 journal article

Study on dielectric and piezoelectric properties of 0.7 Pb(Mg1/3Nb2/3)O-3-0.3 PbTiO3 single crystal with nano-patterned composite electrode

JOURNAL OF APPLIED PHYSICS, 114(11).

By: W. Chang  n, W. Huang n, A. Bagal n, C. Chang n, J. Tian *, P. Han*, X. Jiang n 

Contributors: W. Chang  n, W. Huang n, A. Bagal n, C. Chang n, J. Tian *, P. Han*, X. Jiang n 

topics (OpenAlex): Ferroelectric and Piezoelectric Materials; Acoustic Wave Resonator Technologies; Microwave Dielectric Ceramics Synthesis
TL;DR: The results indicate that nano-patterned composite electrode and backswitching poling has a great potential in domain engineering of relaxor single crystals for advanced devices. (via Semantic Scholar)
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Added: August 6, 2018

2013 journal article

Three-Dimensional Nanolithography Using Light Scattering from Colloidal Particles

ACS NANO, 7(7), 6212–6218.

By: X. Zhang n, J. Elek n & C. Chang n

author keywords: nanolithography; three-dimensional nanostructures; colloids; self-assembly; light scattering
MeSH headings : Colloids / chemistry; Colloids / radiation effects; Crystallization / methods; Light; Materials Testing; Molecular Imprinting / methods; Nanostructures / chemistry; Nanostructures / radiation effects; Nanostructures / ultrastructure; Particle Size; Photography / methods
topics (OpenAlex): Photonic Crystals and Applications; Gold and Silver Nanoparticles Synthesis and Applications; Nonlinear Optical Materials Studies
TL;DR: The use of light scattering from colloidal particles to fabricate complex hollow nanostructures that can be used to trap nanomaterial, and they are demonstrated to have the ability to trap 50 nm silica nanoparticles. (via Semantic Scholar)
Source: Web Of Science
Added: August 6, 2018

2012 journal article

Nanotextured Silica Surfaces with Robust Superhydrophobicity and Omnidirectional Broadband Supertransmissivity

ACS NANO, 6(5), 3789–3799.

By: K. Park *, H. Choi *, C. Chang n, R. Cohen *, G. McKinley * & G. Barbastathis*

author keywords: high aspect ratio nanostructure; wetting; antireflective; enhanced transmission; antifogging; self-cleaning
topics (OpenAlex): Surface Modification and Superhydrophobicity; Fluid Dynamics and Heat Transfer; Photonic Crystals and Applications
TL;DR: A systematic approach to concurrent design of optimal structures in the fluidic and optical domains and a fabrication procedure that achieves the desired aspect ratios and periodicities with few defects and large pattern area are reported. (via Semantic Scholar)
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Added: August 6, 2018

2011 journal article

Diffraction efficiency of 200-nm-period critical-angle transmission gratings in the soft x-ray and extreme ultraviolet wavelength bands

Applied Optics, 50(10), 1364.

By: R. Heilmann *, M. Ahn*, A. Bruccoleri*, C. Chang*, E. Gullikson *, P. Mukherjee*, M. Schattenburg *

topics (OpenAlex): Optical Coatings and Gratings; Photonic and Optical Devices; Photonic Crystals and Applications
TL;DR: Measurements of the diffraction efficiency of 200-nm-period freestanding blazed transmission gratings for wavelengths in the 0.96 to 19.4 nm range show efficiencies in the range of ∼50-100% of theoretical predictions when taking the effects of the support mesh into account. (via Semantic Scholar)
Source: Crossref
Added: January 19, 2020

2011 journal article

From Two-Dimensional Colloidal Self-Assembly to Three-Dimensional Nanolithography

Nano Letters, 11(6), 2533–2537.

By: C. Chang*, L. Tian, W. Hesse, H. Gao, H. Choi, J. Kim, M. Siddiqui, G. Barbastathis*

author keywords: 3D nanostructures; colloidal assembly; nanosphere lithography; phase lithography
MeSH headings : Colloids / chemistry; Nanostructures / chemistry; Nanotechnology / methods; Particle Size; Surface Properties
topics (OpenAlex): Photonic Crystals and Applications; Near-Field Optical Microscopy; Nanofabrication and Lithography Techniques
TL;DR: A 3D nanolithography process that utilizes self-assembled nanospheres to create a periodic array of focal spots, which are then replicated across multiple depth in a transparent medium according to the Talbot effect is presented. (via Semantic Scholar)
Source: Crossref
Added: January 19, 2020

2011 journal article

Nanostructured gradient-index antireflection diffractive optics

Optics Letters, 36(12), 2354.

By: C. Chang*, J. Dominguez-Caballero*, H. Choi * & G. Barbastathis*

topics (OpenAlex): Optical Coatings and Gratings; Photonic and Optical Devices; Photonic Crystals and Applications
TL;DR: The fabrication and characterization of a nanostructured diffractive element with near-zero reflection losses is described, and the proposed principles can be applied to improve the performance of any diffractive structures, potentially leading to more efficient Fresnel lenses, holographic elements, and integrated optical systems. (via Semantic Scholar)
Source: Crossref
Added: January 19, 2020

2010 journal article

Assembling nanoparticle catalysts with nanospheres for periodic carbon nanotube structure growth

Nanotechnology, 22(3), 035301.

By: C. Chang*, H. In*, S. Takahashi *, M. Deterre *, H. Choi *, K. Gotrik *, G. Barbastathis*

topics (OpenAlex): Carbon Nanotubes in Composites; Graphene research and applications; Transition Metal Oxide Nanomaterials
TL;DR: A novel method to grow carbon nanotubes in a periodic structure using a simple one-step self-assembly process that eliminates the need for lithography and material deposition, greatly reducing the fabrication complexity and cost. (via Semantic Scholar)
Source: Crossref
Added: January 19, 2020

2010 journal article

Design and optimization of broadband wide-angle antireflection structures for binary diffractive optics

Optics Letters, 35(7), 907.

By: C. Chang*, L. Waller * & G. Barbastathis*

topics (OpenAlex): Optical Coatings and Gratings; Photonic Crystals and Applications; Photonic and Optical Devices
TL;DR: A class of antireflecting structures that can effectively suppress reflections for binary diffractive optics is proposed that may lead to more efficient diffractive devices for applications in thin-film photovoltaic, waveguide coupler, and holographic optical elements. (via Semantic Scholar)
Source: Crossref
Added: January 19, 2020

2010 journal article

High-efficiency 5000 lines/mm multilayer-coated blazed grating for extreme ultraviolet wavelengths

Optics Letters, 35(15), 2615.

By: D. Voronov *, M. Ahn*, E. Anderson*, R. Cambie*, C. Chang*, E. Gullikson *, R. Heilmann *, F. Salmassi* ...

topics (OpenAlex): Advanced X-ray Imaging Techniques; Optical Coatings and Gratings; Optical measurement and interference techniques
TL;DR: Measurements are reported that show, for a 5000l/mm grating diffracting in the third order, a diffraction efficiency of 37.6% at a wavelength of 13.6nm. (via Semantic Scholar)
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Source: Crossref
Added: January 19, 2020

2010 conference paper

Ultra-high Resolution Optics for EUV and Soft X-ray Inelastic Scattering

Presented at the SRI 2009, 10TH INTERNATIONAL CONFERENCE ON RADIATION INSTRUMENTATION.

By: D. Voronov *, R. Cambie*, M. Ahn*, E. Anderson*, C. Chang*, E. Gullikson *, R. Heilmann *, F. Salmassi* ...

author keywords: blazed gratings; multilayer EUV; soft x-rays; lithography; anisotropic etch
topics (OpenAlex): Advanced X-ray Imaging Techniques; X-ray Spectroscopy and Fluorescence Analysis; High-pressure geophysics and materials
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Source: Crossref
Added: February 18, 2020

2009 journal article

Self-assembled ferrofluid lithography: patterning micro and nanostructures by controlling magnetic nanoparticles

Nanotechnology, 20(49), 495301.

By: C. Chang*, C. Tan*, J. Miao* & G. Barbastathis*

topics (OpenAlex): Block Copolymer Self-Assembly; Characterization and Applications of Magnetic Nanoparticles; Nanofabrication and Lithography Techniques
TL;DR: An alternative self-assembly process to pattern different geometries with user-defined tunability across the micro and nanoscale, presenting itself as a promising nanomanufacturing tool. (via Semantic Scholar)
Source: Crossref
Added: January 19, 2020

2008 journal article

Design of a double-pass shear mode acousto-optic modulator

Review of Scientific Instruments, 79(3), 033104.

By: C. Chang*, R. Heilmann *, M. Schattenburg * & P. Glenn*

topics (OpenAlex): Photonic and Optical Devices; Optical and Acousto-Optic Technologies; Advanced Fiber Optic Sensors
TL;DR: The design of a compact double-pass shear mode acousto-optic modulator for high power operation in the UV is presented, using a spherical mirror retroreflector in the second pass to correct for beam deflection, and changes in beam position and angle during frequency tuning can be eliminated. (via Semantic Scholar)
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Source: Crossref
Added: January 19, 2020

2008 journal article

Fabrication of 50 nm period gratings with multilevel interference lithography

Optics Letters, 33(14), 1572.

By: C. Chang*, Y. Zhao *, R. Heilmann * & M. Schattenburg *

topics (OpenAlex): Optical Coatings and Gratings; Near-Field Optical Microscopy; Photonic and Optical Devices
TL;DR: A multilevel interference lithography process to fabricate 50 nm period gratings using light with a 351.1 nm wavelength that presents a general scheme for overlaying periodic structures and can be used to Fabricate more complex periodic structures. (via Semantic Scholar)
Source: Crossref
Added: January 19, 2020

2008 journal article

Spatial-frequency multiplication with multilevel interference lithography

Journal of Vacuum Science & Technology B: Microelectronics and Nanometer Structures, 26(6), 2135–2138.

By: C. Chang*, Y. Zhao *, R. Heilmann * & M. Schattenburg *

topics (OpenAlex): Optical Coatings and Gratings; Orbital Angular Momentum in Optics; Photonic and Optical Devices
Source: Crossref
Added: January 19, 2020

2007 journal article

Phase control in multiexposure spatial frequency multiplication

Journal of Vacuum Science & Technology B: Microelectronics and Nanometer Structures, 25(6), 2439.

By: Y. Zhao *, C. Chang*, R. Heilmann * & M. Schattenburg *

topics (OpenAlex): Optical Coatings and Gratings; Photonic and Optical Devices; Advanced Surface Polishing Techniques
TL;DR: The authors report a technique that achieves accurate phase control over large areas during spatial frequency multiplication by utilizing a surrounding alignment grating. (via Semantic Scholar)
Source: Crossref
Added: January 19, 2020

2006 journal article

Describing isotropic and anisotropic out-of-plane deformations in thin cubic materials by use of Zernike polynomials

Applied Optics, 45(3), 432.

By: C. Chang*, M. Akilian* & M. Schattenburg *

topics (OpenAlex): Advanced Surface Polishing Techniques; Optical measurement and interference techniques; Force Microscopy Techniques and Applications
TL;DR: Isotropic and anisotropic out-of-plane deformations induced by thin-film residual stress on thin cubic materials are studied and an analytical expression can be derived for the biaxial stiffness modulus for all directions in any given cubic crystal plane. (via Semantic Scholar)
Source: Crossref
Added: January 19, 2020

2006 journal article

Efficiency of a grazing-incidence off-plane grating in the soft-x-ray region

Applied Optics, 45(8), 1680.

By: J. Seely, L. Goray, B. Kjornrattanawanich*, J. Laming*, G. Holland *, K. Flanagan*, R. Heilmann *, C. Chang*, M. Schattenburg *, A. Rasmussen*

topics (OpenAlex): Optical Coatings and Gratings; Advanced X-ray Imaging Techniques; Advancements in Photolithography Techniques
TL;DR: Efficiency measurements of a grazing-incidence diffraction grating in the off-plane mount were performed using polarized synchrotron radiation, offering the possibility of performing unique science studies of astrophysical, solar, and laboratory sources by exploiting the polarization sensitivity of the off -plane grating. (via Semantic Scholar)
Source: Crossref
Added: January 19, 2020

2006 journal article

Near-normal-incidence extreme-ultraviolet efficiency of a flat crystalline anisotropically etched blazed grating

Applied Optics, 45(8), 1676.

By: M. Kowalski *, R. Heilmann *, M. Schattenburg *, C. Chang*, F. Berendse* & W. Hunter*

topics (OpenAlex): Optical Coatings and Gratings; Advancements in Photolithography Techniques; Optical measurement and interference techniques
TL;DR: The measured efficiencies are high for uncoated gratings and agree well with a calculated model derived from a reasonable estimate of the groove profile, which presents opportunities to instrument designs for high-resolution EUV spectroscopy in astrophysics where high efficiency in high orders is desirable. (via Semantic Scholar)
Source: Crossref
Added: January 19, 2020

2005 journal article

Doppler writing and linewidth control for scanning beam interference lithography

Journal of Vacuum Science & Technology B: Microelectronics and Nanometer Structures, 23(6), 2640.

By: J. Montoya *, C. Chang*, R. Heilmann * & M. Schattenburg *

topics (OpenAlex): Advanced Measurement and Metrology Techniques; Advancements in Photolithography Techniques; Optical measurement and interference techniques
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
4. Quality Education (OpenAlex)
Source: Crossref
Added: January 19, 2020

2004 journal article

High fidelity blazed grating replication using nanoimprint lithography

Journal of Vacuum Science & Technology B: Microelectronics and Nanometer Structures, 22(6), 3260.

By: C. Chang*, J. Montoya *, M. Akilian*, A. Lapsa*, R. Heilmann *, M. Schattenburg *, M. Li*, K. Flanagan* ...

topics (OpenAlex): Nanofabrication and Lithography Techniques; Optical Coatings and Gratings; Advanced Surface Polishing Techniques
Source: Crossref
Added: January 19, 2020

2003 journal article

Fabrication of sawtooth diffraction gratings using nanoimprint lithography

Journal of Vacuum Science & Technology B: Microelectronics and Nanometer Structures, 21(6), 2755.

By: C. Chang*, R. Heilmann *, R. Fleming*, J. Carter*, E. Murphy*, M. Schattenburg *, T. Bailey, J. Ekerdt, R. Frankel, R. Voisin

topics (OpenAlex): Nanofabrication and Lithography Techniques; Advanced Surface Polishing Techniques; Force Microscopy Techniques and Applications
Source: Crossref
Added: January 19, 2020

2003 journal article

Nanometer-level repeatable metrology using the Nanoruler

Journal of Vacuum Science & Technology B: Microelectronics and Nanometer Structures, 21(6), 3097.

By: P. Konkola*, C. Chen*, R. Heilmann *, C. Joo *, J. Montoya *, C. Chang*, M. Schattenburg *

topics (OpenAlex): Advanced Measurement and Metrology Techniques; Photonic and Optical Devices; Semiconductor Lasers and Optical Devices
TL;DR: The Nanonruler’s metrology system that is based on digital frequency synthesizers, acousto-optics, and heterodyne phase sensing is presented, used to assess the fringe-to-substrate placement stability and the accuracy of the feedback signals. (via Semantic Scholar)
Source: Crossref
Added: January 19, 2020

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