Works (47)

Updated: August 25th, 2023 21:16

2023 journal article

Anisotropic superconductivity at KTaO3(111) interfaces

SCIENCE ADVANCES, 9(7).

Sources: ORCID, Web Of Science, NC State University Libraries
Added: February 16, 2023

2023 article

Enhanced Critical Field of Superconductivity at an Oxide Interface

Al-Tawhid, A. H. H., Poage, S. J. J., Salmani-Rezaie, S., Gonzalez, A., Chikara, S., Muller, D. A. A., … Ahadi, K. (2023, July 27). NANO LETTERS, Vol. 7.

author keywords: Two-dimensional superconductivity; upper critical field; spin-orbit coupling; Rashba coupling
Sources: Web Of Science, NC State University Libraries
Added: August 14, 2023

2023 journal article

Molecular beam epitaxy of KTaO3

JOURNAL OF VACUUM SCIENCE & TECHNOLOGY A, 41(2).

Sources: ORCID, Web Of Science, NC State University Libraries
Added: February 3, 2023

2022 article

Complex High-kappa Oxides for Gate Dielectric Applications

Ahadi, K., & Cadien, K. (2022, June 22). JOURNAL OF ELECTRONIC MATERIALS, Vol. 6.

By: K. Ahadi n & K. Cadien*

author keywords: High-k gate dielectrics; hafnium oxide; zirconium oxide; atomic layer deposition
Sources: ORCID, Web Of Science, NC State University Libraries
Added: June 23, 2022

2022 article

Oxygen Vacancy-Induced Anomalous Hall Effect in a Nominally Non-magnetic Oxide

Al-Tawhid, A. H., Kanter, J., Hatefipour, M., Irving, D. L., Kumah, D. P., Shabani, J., & Ahadi, K. (2022, September 24). JOURNAL OF ELECTRONIC MATERIALS, Vol. 9.

By: A. Al-Tawhid n, J. Kanter*, M. Hatefipour*, D. Irving n, D. Kumah n, J. Shabani*, K. Ahadi n

author keywords: Anomalous Hall effect; KTaO3; Spin-orbit coupling
Sources: ORCID, Web Of Science, NC State University Libraries
Added: September 25, 2022

2022 article

Superconductivity and Weak Anti-localization at KTaO3 (111) Interfaces

Al-Tawhid, A. H., Kanter, J., Hatefipour, M., Kumah, D. P., Shabani, J., & Ahadi, K. (2022, August 19). JOURNAL OF ELECTRONIC MATERIALS, Vol. 8.

By: A. Al-Tawhid n, J. Kanter*, M. Hatefipour*, D. Kumah n, J. Shabani* & K. Ahadi n

author keywords: 2D superconductivity; weak anti-localization; KTaO3
UN Sustainable Development Goal Categories
Sources: ORCID, Web Of Science, NC State University Libraries
Added: August 24, 2022

2021 journal article

Hf1-xZrxO2 and HfO2/ZrO2 gate dielectrics with extremely low density of interfacial defects using low temperature atomic layer deposition on GaN and InP

JOURNAL OF VACUUM SCIENCE & TECHNOLOGY A, 39(3).

By: K. Ahadi n & K. Cadien n

Sources: ORCID, Web Of Science, NC State University Libraries
Added: March 20, 2021

2021 article

Topological Quantum Matter to Topological Phase Conversion: Fundamentals, Materials, Physical Systems for Phase Conversions, and Device Applications

(2021, February 11).

Kaveh Ahadi

Source: ORCID
Added: March 2, 2021

2021 review

Topological quantum matter to topological phase conversion: Fundamentals, materials, physical systems for phase conversions, and device applications

[Review of ]. MATERIALS SCIENCE & ENGINEERING R-REPORTS, 145.

By: M. Polash n, S. Yalameha*, H. Zhou n, K. Ahadi n, Z. Nourbakhsh* & D. Vashaee n

author keywords: Topological phases; Quantum materials; Condensed matter; Topological phase conversion; Topological device applications
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: April 17, 2021

2021 journal article

Two-dimensional electron systems and interfacial coupling in LaCrO3/KTaO3 heterostructures

APPLIED PHYSICS LETTERS, 118(19).

By: A. Al-Tawhid n, D. Kumah n & K. Ahadi n

Sources: ORCID, Web Of Science, NC State University Libraries
Added: May 13, 2021

2021 journal article

Weak localization and dimensional crossover in compositionally graded AlxGa1-xN

APPLIED PHYSICS LETTERS, 118(8).

By: A. Al-Tawhid n, A. Shafe n, P. Bagheri n, Y. Guan n, P. Reddy*, S. Mita*, B. Moody*, R. Collazo n, Z. Sitar n, K. Ahadi n

Sources: ORCID, Web Of Science, NC State University Libraries
Added: February 25, 2021

2020 journal article

Correlating magnetic structure and magnetotransport in semimetal thin films of Eu1−xSmxTiO3

Physical Review Materials.

Kaveh Ahadi

TL;DR: Unexpectedly, interfacial ferromagnetism with saturated Eu2+ moments at the substrate interface at low fields preceding ferromagnetic saturation throughout the bulk of the degenerate semiconductor film is observed. (via Semantic Scholar)
Source: ORCID
Added: May 19, 2020

2020 journal article

High Current Density SmTiO3/SrTiO3 Field-Effect Transistors

ACS Applied Electronic Materials.

Kaveh Ahadi

author keywords: oxide heterostructures; complex oxides; oxide transistors; parasitic resistance; SrTiO3; hopping transport
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Source: ORCID
Added: March 27, 2020

2020 journal article

Magnetoelastic coupling to coherent acoustic phonon modes in the ferrimagnetic insulator GdTiO3

Physical Review B.

Kaveh Ahadi

Source: ORCID
Added: August 23, 2020

2020 journal article

Order-Disorder Ferroelectric Transition of Strained SrTiO3

Physical Review Letters.

Kaveh Ahadi

TL;DR: High-angle annular dark-field imaging in scanning transmission electron microscopy is used to reveal local polar regions in the room-temperature, paraelectric phase of strained SrTiO_{3} films, which undergo a ferroelectric transition at low temperatures. (via Semantic Scholar)
Source: ORCID
Added: August 23, 2020

2020 journal article

Polar Nanodomains in a Ferroelectric Superconductor

Nano Letters.

Kaveh Ahadi

author keywords: ferroelectricity; superconductivity; SrTiO3; scanning transmission electron microscopy
TL;DR: It is shown that disorder caused by the dopant atoms themselves presents a second contribution to the destabilization of the ferroelectric state and the Curie temperature is systematically suppressed. (via Semantic Scholar)
Source: ORCID
Added: August 23, 2020

2020 journal article

Possible signatures of mixed-parity superconductivity in doped polar SrTiO3 films

Physical Review B.

Kaveh Ahadi

Source: ORCID
Added: March 27, 2020

2020 journal article

Probing the Polar Instability of Strained SrTiO3 with HAADF-STEM

Microscopy and Microanalysis.

Kaveh Ahadi

UN Sustainable Development Goal Categories
13. Climate Action (OpenAlex)
Source: ORCID
Added: October 14, 2020

2019 journal article

Anisotropic magnetoresistance in the itinerant antiferromagnetic EuTiO3

Physical Review B.

Kaveh Ahadi

Source: ORCID
Added: January 3, 2020

2019 journal article

Controlling a Van Hove singularity and Fermi surface topology at a complex oxide heterostructure interface

Nature Communications.

Kaveh Ahadi

TL;DR: A Van Hove singularity is tunable across the Fermi energy in an oxide heterostructure, leading to enhanced electronic correlations, providing a tunable pathway for Fermani surface topology and VHS engineering of electronic phases. (via Semantic Scholar)
Source: ORCID
Added: January 3, 2020

2019 journal article

Enhancing superconductivity in SrTiO3 films with strain

Science Advances.

Kaveh Ahadi

TL;DR: It is shown that, for a range of carrier densities, the superconducting transition temperature is enhanced by up to a factor of two compared to unstrained films grown under the same conditions, which points to new opportunities to enhance superconductor transition temperatures in oxide materials. (via Semantic Scholar)
Source: ORCID
Added: January 3, 2020

2019 journal article

Ferroelectric enhancement of superconductivity in compressively strained SrTiO3 films

Physical Review Materials.

Kaveh Ahadi

Source: ORCID
Added: January 3, 2020

2019 journal article

Lattice relaxations around individual dopant atoms in SrTiO3

Physical Review Materials.

Kaveh Ahadi

Source: ORCID
Added: January 3, 2020

2019 journal article

Probing the Local Lattice Distortions in Doped SrTiO3 Using Quantitative STEM

Microscopy and Microanalysis.

Kaveh Ahadi

Source: ORCID
Added: January 3, 2020

2018 journal article

Carrier density control of magnetism and Berry phases in doped EuTiO3

APL Materials.

Kaveh Ahadi

Source: ORCID
Added: January 3, 2020

2018 journal article

Electron nematic fluid in a strained Sr3Ru2O7 film

Physical Review B.

Kaveh Ahadi

Source: ORCID
Added: January 3, 2020

2018 journal article

Spontaneous Hall effects in the electron system at the SmTiO3/EuTiO3 interface

APL Materials.

Kaveh Ahadi

Source: ORCID
Added: January 3, 2020

2017 journal article

Electric field effect near the metal-insulator transition of a two-dimensional electron system in SrTiO3

Applied Physics Letters.

Kaveh Ahadi

Source: ORCID
Added: January 3, 2020

2017 journal article

Evidence of a topological Hall effect in Eu1−xSmxTiO3

Applied Physics Letters.

Kaveh Ahadi

Source: ORCID
Added: January 3, 2020

2017 journal article

Freestanding hierarchical porous carbon film derived from hybrid nanocellulose for high-power supercapacitors

Nano Research.

Kaveh Ahadi

author keywords: nanocellulose; supercapacitors; hierarchical structure; atomic layer deposition (ALD); integrated structure
Source: ORCID
Added: January 3, 2020

2017 journal article

Growth of strontium ruthenate films by hybrid molecular beam epitaxy

APL Materials.

Kaveh Ahadi

Source: ORCID
Added: January 3, 2020

2017 journal article

Novel Metal-Insulator Transition at the SmTiO3/SrTiO3 Interface

Physical Review Letters.

Kaveh Ahadi

TL;DR: It is tentatively concluded that both long-range Coulomb interactions and the fixed charge at the polar interface are likely to play a role in this MIT, and the strong dependence on the carrier density makes this MIT of interest for field-tunable devices. (via Semantic Scholar)
Source: ORCID
Added: January 3, 2020

2017 journal article

Response of the Lattice across the Filling-Controlled Mott Metal-Insulator Transition of a Rare Earth Titanate

Physical Review Letters.

Kaveh Ahadi

TL;DR: It is shown that these distortions are gradually and uniformly reduced as the Sr concentration is increased without any phase separation, presenting a new picture of the physics of this prototype filling-controlled Mott metal-insulator transition. (via Semantic Scholar)
Source: ORCID
Added: January 3, 2020

2017 journal article

Transparent and highly luminescent dysprosium- doped GdVO4 thin films fabricated by pulsed laser deposition

Thin Solid Films.

Kaveh Ahadi

author keywords: Gadolinium vanadate; Dysprosium; Thin films; Photoluminescence; Transparency; Pulsed laser deposition
Source: ORCID
Added: January 3, 2020

2017 journal article

Understanding the Effects of a High Surface Area Nanostructured Indium Tin Oxide Electrode on Organic Solar Cell Performance

ACS Applied Materials & Interfaces.

Kaveh Ahadi

author keywords: organic solar cells; photovoltaics; high surface area electrode; ITO; nanotree; bulk heterojunction; BHJ
TL;DR: From analysis of results, it was found that the intrinsic mobility mismatch between the donor and acceptor phases could be compensated for when the electron collection length was reduced relative to the hole collection length, resulting in more balanced charge extraction and reduced recombination, leading to improved efficiencies. (via Semantic Scholar)
Source: ORCID
Added: January 3, 2020

2016 journal article

Strain-induced electrostatic enhancements of BiFeO3 nanowire loops

Physical Chemistry Chemical Physics.

Kaveh Ahadi

TL;DR: An extraordinary electrostatic response of semiconductor BiFeO3 NW loops is reported, based on Kelvin probe force microscopy (KPFM) and EFM, and it is found that the electrostatic enhancement is strongly related to the strain present at the curvature of the NW loops. (via Semantic Scholar)
Source: ORCID
Added: January 3, 2020

2016 journal article

Structure and optical band gaps of (Ba,Sr)SnO3 films grown by molecular beam epitaxy

Journal of Vacuum Science & Technology A: Vacuum, Surfaces, and Films.

Kaveh Ahadi

Source: ORCID
Added: January 3, 2020

2016 journal article

Ultra low density of interfacial traps with mixed thermal and plasma enhanced ALD of high-κ gate dielectrics

RSC Advances.

Kaveh Ahadi

Source: ORCID
Added: January 3, 2020

2013 journal article

Effect of chemical substitution on the morphology and optical properties of Bi1−xCaxFeO3 films grown by pulsed-laser deposition

Journal of Materials Science: Materials in Electronics.

Kaveh Ahadi

UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (OpenAlex)
Source: ORCID
Added: January 3, 2020

2013 journal article

Effect of simultaneous chemical substitution of A and B sites on the electronic structure of BiFeO3 films grown on BaTiO3/SiO2/Si substrate

Journal of Materials Science: Materials in Electronics.

Kaveh Ahadi

UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Source: ORCID
Added: January 3, 2020

2012 journal article

Conductor–insulator transition and electronic structure of Ca-doped BiFeO3 films

Materials Letters.

Kaveh Ahadi

author keywords: Ferroelectricity; Thin films; Magnetic materials; Electronic materials
Source: ORCID
Added: January 3, 2020

2012 journal article

Electronic structure and morphological study of BaTiO3 film grown by pulsed-laser deposition

Materials Letters.

Kaveh Ahadi

author keywords: Electronic materials; Ferroelectrics; Thin films
Source: ORCID
Added: January 3, 2020

2012 journal article

Synthesis of sodium tungsten oxide nano-thick plates

Materials Letters.

Kaveh Ahadi

author keywords: Nanoparticles; Deposition; Crystal structure; Crystal growth; Electroceramics
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (OpenAlex)
Source: ORCID
Added: May 4, 2020

2012 journal article

The effect of dynamic strain aging on room temperature mechanical properties of high martensite dual phase (HMDP) steel

Materials Science and Engineering: A.

Kaveh Ahadi

author keywords: Dynamic stain aging; Dual phase steels; AISI 4340; High temperature pre-strain
Source: ORCID
Added: January 3, 2020

2011 journal article

Effect of Iron Oxide and Silica Doping on Microstructure, Bandgap and Photocatalytic Properties of Titania by Water-in-Oil Microemulsion Technique

Transactions of the Indian Ceramic Society.

Kaveh Ahadi

author keywords: Titania; Doping; Microemulsion; Bandgap; Photocatalysis
Source: ORCID
Added: January 3, 2020

2011 journal article

Investigation of dark and light conductivities in calcium doped bismuth ferrite thin films

Materials Letters.

Kaveh Ahadi

author keywords: Ca doped BiFeO3; Electrical properties; Structural analyses; Thin films
Source: ORCID
Added: January 3, 2020

2011 journal article

Photoconductivity and diode effect in Bi rich multiferroic BiFeO3 thin films grown by pulsed-laser deposition

Journal of Materials Science: Materials in Electronics.

Kaveh Ahadi

Source: ORCID
Added: January 3, 2020

Employment

Updated: March 17th, 2024 20:00

2023 - present

The Ohio State University Columbus, Ohio, US
Assistant Professor Materials Science & Engineering

2020 - 2023

NC State University Raleigh, NC, US
Assistant Professor Materials Science and Engineering

Education

Updated: January 4th, 2020 00:10

2016 - 2019

University of California Santa Barbara Santa Barbara, CA, US
Ph.D. Materials

2013 - 2015

University of Alberta Edmonton, AB, CA
M.Sc. Materials

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