Siddharth Gupta

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

Spintronics, Laser irradiation, ferromagnetism, heteroepitaxy

Works (37)

Updated: January 3rd, 2024 05:05

2023 journal article

Laser-induced synthesis of cubic BN nanoneedles: a new approach to fabricating nanomaterials for advanced applications

JOURNAL OF NANOPARTICLE RESEARCH, 25(12).

By: S. Gupta*โ€‰ & J. Narayan nโ€‰

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: c-BN; h-BN; Thin films; Laser irradiation; Raman spectroscopy; Nanosecond laser melting; Molecular dynamics; Nanostructures
Sources: Web Of Science, ORCID
Added: January 2, 2024

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 nโ€‰, S. Gupta* & A. Gupta*

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
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*โ€‰, N. Joshi nโ€‰, J. Narayan nโ€‰ & R. Narayan n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
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 nโ€‰, R. Sachanโ€‰ n & J. Narayanโ€‰ n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
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), 37149โ€“37160.

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

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
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 nโ€‰, P. Joshi n, R. Sachan* & J. Narayan nโ€‰

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
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).

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
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), 12883โ€“12892.

By: A. Moatti nโ€‰, G. Mineo-Foley n, S. Gupta nโ€‰, R. Sachan* & J. Narayanโ€‰ n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
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*โ€‰, R. Narayan* & J. Narayan*โ€‰

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. Guptaโ€‰*, S. Gupta nโ€‰ & R. Sachanโ€‰*

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
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 nโ€‰, P. Riley n, R. Narayan n & J. Narayan nโ€‰

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
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, 558โ€“568.

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

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
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, 739โ€“749.

By: P. Joshi n, A. Haque n, S. Gupta nโ€‰, R. Narayan n & J. Narayanโ€‰ n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
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), 1323โ€“1334.

By: A. Haqueโ€‰ n, S. Gupta nโ€‰ & J. Narayanโ€‰ n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
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), 408โ€“416.

By: S. Gupta nโ€‰ & J. Narayanโ€‰ n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
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, 327โ€“337.

By: S. Gupta nโ€‰, P. Joshi n & J. Narayanโ€‰ n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
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*โ€‰, R. Sachan* & J. Narayan*โ€‰

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
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.

Siddharth Gupta

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), 7930โ€“7941.

By: S. Gupta nโ€‰, R. Sachanโ€‰* & J. Narayanโ€‰ n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
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), 1330โ€“1338.

By: R. Sachanโ€‰*, S. Gupta nโ€‰ & J. Narayanโ€‰ n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
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), 5178โ€“5188.

By: S. Gupta nโ€‰ & J. Narayanโ€‰ n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
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), 2238โ€“2248.

By: J. Narayan nโ€‰, A. Bhaumikโ€‰ n, R. Sachanโ€‰ n, A. Haqueโ€‰ n, S. Gupta nโ€‰ & P. Pant n

co-author countries: Canada ๐Ÿ‡จ๐Ÿ‡ฆ United States of America ๐Ÿ‡บ๐Ÿ‡ธ

Contributors: J. Narayan nโ€‰, A. Bhaumikโ€‰ n, R. Sachanโ€‰ n, A. Haqueโ€‰ n, S. Gupta nโ€‰ & 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*โ€‰, R. Sachanโ€‰* & J. Narayanโ€‰*

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
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.

Siddharth Gupta

Source: ORCID
Added: September 3, 2019

2019 journal article

Non-equilibrium processing of ferromagnetic heavily reduced graphene oxide

Carbon, 153, 663โ€“673.

By: S. Gupta nโ€‰ & J. Narayanโ€‰ n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ

Contributors: S. Gupta nโ€‰ & J. Narayanโ€‰ n

Source: ORCID
Added: July 21, 2019

2019 journal article

Reduced Graphene Oxide/Amorphous Carbon Pโ€“N Junctions: Nanosecond Laser Patterning

ACS Applied Materials & Interfaces, 11(27), 24318โ€“24330.

By: S. Gupta nโ€‰ & J. Narayanโ€‰ n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ

Contributors: S. Gupta nโ€‰ & J. Narayanโ€‰ 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, 221โ€“230.

By: S. Gupta nโ€‰, A. Moatti nโ€‰, A. Bhaumikโ€‰ n, R. Sachanโ€‰ n & J. Narayanโ€‰

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ

Contributors: S. Gupta nโ€‰, A. Moatti nโ€‰, A. Bhaumikโ€‰ n, R. Sachanโ€‰ n & J. Narayanโ€‰

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 Qโ€‘carbon and nanodiamonds by pulsed laser annealing

Diamond and Related Materials.

Siddharth Gupta

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. Guptaโ€‰, R. Sachan & J. Narayan

Contributors: S. Guptaโ€‰, 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 nโ€‰, R. Sachan n, A. Bhaumik n & J. Narayan

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ

Contributors: S. Gupta nโ€‰, 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), 353โ€“364.

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

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ

Contributors: J. Narayan nโ€‰, A. Bhaumik n, S. Gupta nโ€‰, 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), 428โ€“436.

By: J. Narayan nโ€‰, S. Gupta nโ€‰, A. Bhaumik, R. Sachan n, F. Celliniโ€‰* & E. Riedoโ€‰*

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ

Contributors: J. Narayan nโ€‰, S. Gupta nโ€‰, A. Bhaumik, R. Sachan n, F. Celliniโ€‰* & E. Riedoโ€‰*

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

2018 journal article

Room-Temperature Ferromagnetism and Extraordinary Hall Effect in Nanostructured Qโ€Carbon: Implications for Potential Spintronic Devices

ACS Applied Nano Materials, 1(2), 807โ€“819.

co-author countries: India ๐Ÿ‡ฎ๐Ÿ‡ณ United States of America ๐Ÿ‡บ๐Ÿ‡ธ
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), 450โ€“455.

By: S. Gupta nโ€‰, A. Bhaumikโ€‰ n, R. Sachanโ€‰ n & J. Narayan nโ€‰

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ

Contributors: S. Gupta nโ€‰, A. Bhaumikโ€‰ n, R. Sachanโ€‰ n & J. Narayan nโ€‰

Sources: ORCID, Crossref
Added: January 23, 2019

2018 journal article

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

MRS COMMUNICATIONS, 8(2), 533โ€“540.

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

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ

Contributors: S. Gupta nโ€‰, R. Sachan*, A. Bhaumik n, P. Pant n & J. Narayan nโ€‰

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), 3547โ€“3554.

By: A. Moatti nโ€‰, R. Sachanโ€‰ n, S. Gupta nโ€‰ & J. Narayan nโ€‰

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ

Contributors: A. Moatti nโ€‰, R. Sachanโ€‰ n, S. Gupta nโ€‰ & J. Narayan nโ€‰

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), 11915โ€“11922.

By: A. Bhaumik n, R. Sachan n, S. Gupta nโ€‰ & J. Narayanโ€‰

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ

Contributors: A. Bhaumik n, R. Sachan n, S. Gupta nโ€‰ & J. Narayanโ€‰

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

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