Siddharth Gupta

https://orcid.org/0000-0001-5725-0068

Spintronics, Laser irradiation, ferromagnetism, heteroepitaxy

Works (36)

Updated: August 31st, 2023 05:01

2023 journal article

Reimagining Carbon Nanomaterial Analysis: Empowering Transfer Learning and Machine Vision in Scanning Electron Microscopy for High-Fidelity Identification

MATERIALS, 16(15).

By: S. Gupta n, S. Gupta* & A. Gupta*

author keywords: Q-carbon; non-equilibrium; laser irradiation; scanning electron microscopy; Raman spectroscopy; graphene
Source: Web Of Science
Added: August 28, 2023

2023 article

Synthesis of laser-patterned MoS2 nanoneedles for advanced electrochemical sensing

Joshi, P., Shukla, S., Gupta, S., Joshi, N., Narayan, J., & Narayan, R. (2023, June 14). MRS COMMUNICATIONS, Vol. 6.

By: P. Joshi n, S. Shukla n, S. Gupta*, N. Joshi n, J. Narayan n & R. Narayan n

author keywords: Laser annealing; Laser-induced reaction; Nanostructure; Sensor
Sources: Web Of Science, ORCID
Added: July 3, 2023

2022 journal article

Emergence of orbital two-channel Kondo effect in epitaxial TiN thin films

Solid State Communications, 341, 114547.

By: S. Gupta n, R. Sachan n & J. Narayan n

author keywords: Orbital two-Channel Kondo effect; Ferromagnetism; Non-Fermi liquid; Resistivity minima; Electron energy-loss spectroscopy
Source: ORCID
Added: October 8, 2021

2022 journal article

Excimer Laser Patterned Holey Graphene Oxide Films for Nonenzymatic Electrochemical Sensing

ACS APPLIED MATERIALS & INTERFACES, 14(32), 37149–37160.

By: P. Joshi n, S. Shukla n, S. Gupta*, P. Riley n, J. Narayan n & R. Narayan n

author keywords: defect engineering; con focal Raman spectroscopy; electrocatalysis; melting; holey graphene
Sources: ORCID, Web Of Science
Added: August 6, 2022

2022 journal article

Fabricating Graphene Oxide/h-BN Metal Insulator Semiconductor Diodes by Nanosecond Laser Irradiation

NANOMATERIALS, 12(15).

By: S. Gupta n, P. Joshi n, R. Sachan* & J. Narayan n

author keywords: Raman spectroscopy; h-BN; 2D materials; laser irradiation; graphene; molecular dynamics; Fowler-Nordheim tunneling; transmission electron microscopy
Sources: ORCID, Web Of Science
Added: August 9, 2022

2022 journal article

Laser Irradiation-Induced Nanoscale Surface Transformations in Strontium Titanate

CRYSTALS, 12(5).

By: A. Gupta*, S. Gupta n, S. Mandal* & R. Sachan*

author keywords: pulsed laser irradiation; strontium titanate; high-angle annular dark-field imaging; electron energy-loss spectroscopy; oxygen vacancies
Sources: ORCID, Web Of Science
Added: April 28, 2022

2022 journal article

Spin Engineering of VO2 Phase Transitions and Removal of Structural Transition

ACS APPLIED MATERIALS & INTERFACES, 14(10), 12883–12892.

By: A. Moatti n, G. Mineo-Foley n, S. Gupta n, R. Sachan* & J. Narayan n

author keywords: spin engineering; exchange bias; VO2; structural pinning; magnetocaloric effect
Sources: ORCID, Web Of Science
Added: March 3, 2022

2021 review

Advances in laser-assisted conversion of polymeric and graphitic carbon into nanodiamond films

[Review of ]. NANOTECHNOLOGY, 32(43).

By: P. Joshi*, P. Riley*, S. Gupta*, R. Narayan* & J. Narayan*

author keywords: nanodiamonds; PTFE; CNT; laser annealing; melting; CVD
Sources: ORCID, Web Of Science
Added: August 3, 2021

2021 article

Laser Irradiation Induced Atomic Structure Modifications in Strontium Titanate

Gupta, A. K., Gupta, S., & Sachan, R. (2021, November 9). JOM, Vol. 11.

By: A. Gupta*, S. Gupta n & R. Sachan*

Sources: Web Of Science, ORCID
Added: November 23, 2021

2021 journal article

Liquid phase regrowth of (110) nanodiamond film by UV laser annealing of PTFE to generate dense CVD microdiamond film

DIAMOND AND RELATED MATERIALS, 117.

By: P. Joshi n, S. Gupta n, P. Riley n, R. Narayan n & J. Narayan n

author keywords: Phase pure nanodiamonds; PTFE; Teflon; Adherent microdiamond film; Laser annealing; Melting; Unseeded crystallization
Sources: Web Of Science, ORCID
Added: August 23, 2021

2021 journal article

Role of Q-carbon in nucleation and formation of continuous diamond film

CARBON, 176, 558–568.

By: J. Narayan n, A. Bhaumik*, S. Gupta*, P. Joshi n, P. Riley n & R. Narayan n

author keywords: Continuous epitaxial diamond film; Diamond nucleation and growth; Adhesion of diamond film
Sources: Web Of Science, ORCID
Added: March 29, 2021

2021 journal article

Synthesis of multifunctional microdiamonds on stainless steel substrates by chemical vapor deposition

CARBON, 171, 739–749.

By: P. Joshi n, A. Haque n, S. Gupta n, R. Narayan n & J. Narayan n

author keywords: Laser annealing; Q-carbon; Diamond thin films; Stress; EBSD; Raman spectroscopy
Sources: Web Of Science, ORCID
Added: January 19, 2021

2020 journal article

Characteristics of diamond deposition on Al2O3, diamond-like carbon and Q-carbon

ACS Applied Electronic Materials, 2(5), 1323–1334.

By: A. Haque n, S. Gupta n & J. Narayan n

author keywords: diamond; Q-carbon; chemical vapor deposition; thin film; pulsed laser annealing
Source: ORCID
Added: April 26, 2020

2020 journal article

Direct conversion of Teflon into nanodiamond films

Materials Research Letters, 8(11), 408–416.

By: S. Gupta n & J. Narayan n

author keywords: Nanodiamond; laser annealing; transmission electron microscopy; Raman spectroscopy; molecular dynamics
Source: ORCID
Added: July 23, 2020

2020 journal article

Electron mobility modulation in graphene oxide by controlling carbon melt lifetime

CARBON, 170, 327–337.

By: S. Gupta n, P. Joshi n & J. Narayan n

author keywords: Graphene; Molten carbon; Undercooling; Mobility; Raman spectroscopy; Laser annealing; Transmission electron microscopy
Sources: Web Of Science, ORCID
Added: November 9, 2020

2020 journal article

Evidence of weak antilocalization in epitaxial TiN thin films

JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, 498.

By: S. Gupta*, R. Sachan* & J. Narayan*

author keywords: Weak antilocalization; Ferromagnetism; Epitaxy; Thin films; Raman spectroscopy; Domain matching epitaxy; Electron energy-loss spectroscopy
Sources: Web Of Science, ORCID
Added: January 13, 2020

2020 journal article

Fabrication of ultrahard Q-carbon nanocoatings on AISI 304 and 316 stainless steels and subsequent formation of high-quality diamond films

Diamond and Related Materials.

author keywords: Nonequilibrium; Laser annealing; Stainless steel; CVD; Q-carbon; Diamond
Source: ORCID
Added: March 2, 2020

2020 journal article

Nanometer-Thick Hexagonal Boron Nitride Films for 2D Field-Effect Transistors

ACS Applied Nano Materials, 3(8), 7930–7941.

By: S. Gupta n, R. Sachan* & J. Narayan n

author keywords: h-BN; spatially controlled monolayer and bilayer; laser annealing; Raman spectroscopy; transmission electron microscopy; nanosecond laser melting; molecular dynamics
Source: ORCID
Added: August 12, 2020

2020 journal article

Nonequilibrium Structural Evolution of Q-Carbon and Interfaces

ACS Applied Materials & Interfaces, 12(1), 1330–1338.

By: R. Sachan*, S. Gupta n & J. Narayan n

author keywords: Q-carbon; nonequilibrium; laser annealing; polyamorphism; scanning transmission electron microscopy; Raman spectroscopy; molecular dynamics
Source: ORCID
Added: December 17, 2019

2020 journal article

Selective Liquid-Phase Regrowth of Reduced Graphene Oxide, Nanodiamond, and Nanoscale Q-Carbon by Pulsed Laser Annealing for Radiofrequency Devices

ACS Applied Nano Materials, 3(6), 5178–5188.

By: S. Gupta n & J. Narayan n

author keywords: nanodiamond; nonequilibrium; laser annealing; electron microscopy; Raman spectroscopy; graphene
Source: ORCID
Added: June 18, 2020

2019 journal article

Direct conversion of carbon nanofibers and nanotubes into diamond nanofibers and the subsequent growth of large-sized diamonds

Nanoscale, 11(5), 2238–2248.

By: J. Narayan n, A. Bhaumik n, R. Sachan n, A. Haque n, S. Gupta n & P. Pant n

Sources: ORCID, Crossref
Added: January 23, 2019

2019 journal article

Evidence of weak antilocalization in epitaxial TiN thin films

Journal of Magnetism and Magnetic Materials, 166094.

By: S. Gupta*, R. Sachan* & J. Narayan*

Source: ORCID
Added: December 17, 2019

2019 journal article

Formation of Q-carbon and diamond coatings on WC and steel substrates

Diamond and Related Materials.

Source: ORCID
Added: September 3, 2019

2019 journal article

Non-equilibrium processing of ferromagnetic heavily reduced graphene oxide

Carbon, 153, 663–673.

By: S. Gupta n & J. Narayan n

Source: ORCID
Added: July 21, 2019

2019 journal article

Reduced Graphene Oxide/Amorphous Carbon P–N Junctions: Nanosecond Laser Patterning

ACS Applied Materials & Interfaces, 11(27), 24318–24330.

By: S. Gupta n & J. Narayan n

author keywords: graphene; p-n junction; diode; laser patterning; transmission electron microscopy; Raman spectroscopy; molecular dynamics
Source: ORCID
Added: June 28, 2019

2019 journal article

Room-temperature ferromagnetism in epitaxial titanium nitride thin films

Acta Materialia, 166, 221–230.

By: S. Gupta n, A. Moatti n, A. Bhaumik n, R. Sachan n & J. Narayan

author keywords: Ferromagnetism; Titanium nitride; RKKY interaction; Electron energy-loss spectroscopy; Nitrogen vacancies; Domain-matching epitaxy
Sources: ORCID, Crossref
Added: January 23, 2019

2019 journal article

Scale-up of Q‑carbon and nanodiamonds by pulsed laser annealing

Diamond and Related Materials.

Source: ORCID
Added: September 3, 2019

2019 conference paper

Wafer scale-up and emergence of ferromagnetism in superhard Q-carbon coatings by nanosecond pulsed laser irradiation

International SAMPE Technical Conference, 2019-May. http://www.scopus.com/inward/record.url?eid=2-s2.0-85068799491&partnerID=MN8TOARS

By: S. Gupta, R. Sachan & J. Narayan

Source: ORCID
Added: August 6, 2019

2018 journal article

Enhanced mechanical properties of Q-carbon nanocomposites by nanosecond pulsed laser annealing

NANOTECHNOLOGY, 29(45).

By: S. Gupta n, R. Sachan n, A. Bhaumik n & J. Narayan

author keywords: pulsed laser annealing; Raman spectroscopy; electron energy loss spectroscopy; nanoindentation; Q-carbon
Sources: Web Of Science, ORCID
Added: October 16, 2018

2018 journal article

Progress in Q-carbon and related materials with extraordinary properties

MATERIALS RESEARCH LETTERS, 6(7), 353–364.

By: J. Narayan n, A. Bhaumik n, S. Gupta n, A. Haque n & R. Sachan n

author keywords: Q-carbon; Q-BN; hardness; diamond microneedles; Raman spectroscopy
Sources: Web Of Science, ORCID
Added: August 6, 2018

2018 journal article

Q-carbon harder than diamond

MRS COMMUNICATIONS, 8(2), 428–436.

By: J. Narayan n, S. Gupta n, A. Bhaumik, R. Sachan n, F. Cellini* & E. Riedo*

Sources: Web Of Science, ORCID
Added: August 6, 2018

2018 journal article

Room-Temperature Ferromagnetism and Extraordinary Hall Effect in Nanostructured Q‐Carbon: Implications for Potential Spintronic Devices

ACS Applied Nano Materials, 1(2), 807–819.

author keywords: ferromagnetism; quenched carbon; Raman spectroscopy; electron energy-loss spectroscopy; extraordinary Hall effect; n-type conductivity; spintronics; magnetotransport
Sources: ORCID, Web Of Science
Added: January 23, 2019

2018 journal article

Structural Evolution of Q-Carbon and Nanodiamonds

JOM, 70(4), 450–455.

By: S. Gupta n, A. Bhaumik n, R. Sachan n & J. Narayan n

Sources: ORCID, Crossref
Added: January 23, 2019

2018 journal article

Undercooling driven growth of Q-carbon, diamond, and graphite

MRS COMMUNICATIONS, 8(2), 533–540.

By: S. Gupta n, R. Sachan*, A. Bhaumik n, P. Pant n & J. Narayan n

Sources: Web Of Science, ORCID
Added: August 6, 2018

2018 journal article

Vacancy-Driven Robust Metallicity of Structurally Pinned Monoclinic Epitaxial VO2 Thin Films

ACS Applied Materials & Interfaces, 11(3), 3547–3554.

By: A. Moatti n, R. Sachan n, S. Gupta n & J. Narayan n

author keywords: Mott transition; oxygen vacancy; metallicity; defect engineering; charge doping; metallic monoclinic VO2
Sources: ORCID, Crossref
Added: January 23, 2019

2017 journal article

Discovery of High-Temperature Superconductivity (T-c=55 K) in B-Doped Q-Carbon

ACS NANO, 11(12), 11915–11922.

By: A. Bhaumik n, R. Sachan n, S. Gupta n & J. Narayan

author keywords: superconductivity; Q-carbon; magnetism; electron energy-loss spectroscopy; Raman spectroscopy
Sources: ORCID, Web Of Science
Added: August 6, 2018

Education

Updated: March 1st, 2020 17:26

2016 - 2020

North Carolina State University Raleigh, NC, US
Doctor of Philosophy Materials Science and Engineering