Works (33)

Updated: July 8th, 2023 21:13

2021 journal article

Formation of self-organized nano- and micro-diamond rings

MATERIALS RESEARCH LETTERS, 9(7), 300–307.

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

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: Nanodiamond ring; self-organized nanodiamonds; Q-carbon
Sources: Web Of Science, ORCID
Added: April 19, 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

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: Continuous epitaxial diamond film; Diamond nucleation and growth; Adhesion of diamond film
Sources: Web Of Science, ORCID
Added: March 29, 2021

2019 journal article

Diamond film growth by HFCVD on Q-carbon seeded substrate

CARBON, 141, 182–189.

By: R. Sachan n, A. Bhaumik n, P. Pant n, J. Prater n & J. Narayan n 

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: Q-carbon; Hot filament chemical vapor deposition; Diamond film; Transmission electron microscopy; Raman spectroscopy
Sources: Web Of Science, ORCID
Added: December 10, 2018

2019 journal article

Direct conversion of carbon nanofibers into diamond nanofibers using nanosecond pulsed laser annealing

PHYSICAL CHEMISTRY CHEMICAL PHYSICS, 21(13), 7208–7219.

By: A. Bhaumik n & J. Narayan n 

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
Sources: Web Of Science, ORCID
Added: May 6, 2019

2019 journal article

Formation and characterization of nano- and microstructures of twinned cubic boron nitride

Physical Chemistry Chemical Physics, 21(4), 1700–1710.

By: A. Bhaumik n & J. Narayan n 

co-author countries: Canada πŸ‡¨πŸ‡¦ United States of America πŸ‡ΊπŸ‡Έ
Sources: Web Of Science, Crossref, ORCID
Added: March 11, 2019

2019 journal article

Nano-to-micro diamond formation by nanosecond pulsed laser annealing

JOURNAL OF APPLIED PHYSICS, 126(12).

By: A. Bhaumik n & J. Narayan n 

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
Sources: Web Of Science, ORCID
Added: October 28, 2019

2019 journal article

Pseudo-topotactic growth of diamond nanofibers

ACTA MATERIALIA, 178, 179–185.

By: J. Narayan n , A. Bhaumik n & A. Hague

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
Sources: Web Of Science, ORCID
Added: October 7, 2019

2019 journal article

Search for near room-temperature superconductivity in B-doped Q-carbon

MATERIALS RESEARCH LETTERS, 7(4), 164–172.

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

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: High-temperature superconductors; Q-carbon; BCS superconductivity; Cryo-EELS
Sources: Web Of Science, ORCID
Added: April 22, 2019

2019 journal article

Structure–property correlations in phase-pure B-doped Q-carbon high-temperature superconductor with a record Tc = 55 K

Nanoscale, 11(18), 9141–9154.

By: A. Bhaumik n & J. Narayan 

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
Sources: Web Of Science, Crossref, ORCID
Added: June 17, 2019

2019 journal article

Tunable charge states of nitrogen-vacancy centers in diamond for ultrafast quantum devices

Carbon, 142, 662–672.

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

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: NV-diamond; Raman spectroscopy; Electron energy-loss spectroscopy; Non-equilibrium synthesis
Sources: Web Of Science, Crossref, ORCID
Added: December 17, 2018

2018 journal article

Electrochromic effect in Q-carbon

Applied Physics Letters, 112(22).

By: A. Bhaumik & J. Narayan 

Source: NC State University Libraries
Added: August 6, 2018

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

co-author countries: United States of America πŸ‡ΊπŸ‡Έ

Contributors: 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

High temperature superconductivity in distinct phases of amorphous B-doped Q-carbon

Journal of Applied Physics, 123(13).

By: J. Narayan , A. Bhaumik & R. Sachan

Source: NC State University Libraries
Added: August 6, 2018

2018 journal article

Magnetic relaxation and three-dimensional critical fluctuations in B-doped Q-carbon - a high-temperature superconductor

NANOSCALE, 10(26), 12665–12673.

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

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
Sources: Web Of Science, ORCID
Added: August 6, 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

co-author countries: United States of America πŸ‡ΊπŸ‡Έ

Contributors: 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 *

co-author countries: United States of America πŸ‡ΊπŸ‡Έ

Contributors: 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

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 

co-author countries: United States of America πŸ‡ΊπŸ‡Έ

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

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

2017 journal article

A novel high-temperature carbon-based superconductor: B-doped Q-carbon

Journal of Applied Physics, 122(4).

By: A. Bhaumik, R. Sachan & J. Narayan 

Source: NC State University Libraries
Added: August 6, 2018

2017 journal article

Conversion of p to n-type reduced graphene oxide by laser annealing at room temperature and pressure

Journal of Applied Physics, 121(12).

By: A. Bhaumik & J. Narayan 

Source: NC State University Libraries
Added: August 6, 2018

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 

co-author countries: United States of America πŸ‡ΊπŸ‡Έ

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

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

2017 article

Fundamental Discovery of Q-Phases and Direct Conversion of Carbon into Diamond and h-BN into c-BN

MECHANICAL AND CREEP BEHAVIOR OF ADVANCED MATERIALS, pp. 219–228.

By: J. Narayan n  & A. Bhaumik

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: Carbon phase diagram; Raman spectroscopy; Diamond/c-BN heterostructures
Sources: Web Of Science, ORCID
Added: August 6, 2018

2017 journal article

High-Temperature Superconductivity in Boron-Doped Q-Carbon

ACS NANO, 11(6), 5351–5357.

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

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: superconductivity; quenched carbon; Raman spectroscopy; electron energy loss spectroscopy; secondary ion mass spectroscopy
Sources: Web Of Science, ORCID
Added: August 6, 2018

2017 journal article

Novel synthesis and properties of pure and NV-doped nanodiamonds and other nanostructures

MATERIALS RESEARCH LETTERS, 5(4), 242–250.

By: J. Narayan n  & A. Bhaumik n

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: NV centers; carbon to diamond conversion; diamond microcrystallites; Raman spectroscopy
Sources: Web Of Science, ORCID
Added: August 6, 2018

2016 journal article

Direct conversion of h-BN into c-BN and formation of epitaxial c-BN/diamond heterostructures

Journal of Applied Physics, 119(18).

By: J. Narayan , A. Bhaumik & W. Xu

Source: NC State University Libraries
Added: August 6, 2018

2016 journal article

Discovery of Q-BN and Direct Conversion of h-BN into c-BN and Formation of Epitaxial cBN/Diamond Heterostructures

MRS ADVANCES, 1(37), 2573–2584.

By: J. Narayan n  & A. Bhaumik

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
Sources: Web Of Science, ORCID
Added: August 6, 2018

2016 journal article

Discovery of Q-phases and direct conversion of carbon into diamond and h-BN into c-BN

Advanced Materials & Processes, 174(3), 24–28.

By: J. Narayan , A. Bhaumik & R. Narayan

Source: NC State University Libraries
Added: August 6, 2018

2016 article

Fundamental discovery of new phases and direct conversion of carbon into diamond and hBN into cBN and properties (retraction of vol 47, pg 1481, 2016)

Metallurgical and Materials Transactions. A, Physical Metallurgy and Materials Science, Vol. 47A, pp. 4351–4351.

By: J. Narayan  & A. Bhaumik

Source: NC State University Libraries
Added: August 6, 2018

2016 journal article

Q-carbon discovery and formation of single-crystal diamond nano- and microneedles and thin films

MATERIALS RESEARCH LETTERS, 4(2), 118–126.

By: J. Narayan n  & A. Bhaumik n

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: Q-carbon; Carbon to Diamond Conversion; Diamond Microneedles; Raman Spectroscopy
Sources: Web Of Science, ORCID
Added: August 6, 2018

2016 journal article

Research update: Direct conversion of h-BN into pure c-BN at ambient temperatures and pressures in air

APL Materials, 4(2).

By: J. Narayan  & A. Bhaumik

Source: NC State University Libraries
Added: August 6, 2018

2016 journal article

Wafer scale integration of reduced graphene oxide by novel laser processing at room temperature in air

Journal of Applied Physics, 120(10).

By: A. Bhaumik & J. Narayan 

Source: NC State University Libraries
Added: August 6, 2018

2015 journal article

Novel phase of carbon, ferromagnetism, and conversion into diamond

Journal of Applied Physics, 118(21).

By: J. Narayan  & A. Bhaumik

Source: NC State University Libraries
Added: August 6, 2018

2015 journal article

Research update: Direct conversion of amorphous carbon into diamond at ambient pressures and temperatures in air

APL Materials, 3(10).

By: J. Narayan  & A. Bhaumik

Source: NC State University Libraries
Added: August 6, 2018

journal article

Fundamental discovery of new phases and direct conversion of carbon into diamond and hBN into cBN and properties

Narayan, J., & Bhaumik, A. Metallurgical and Materials Transactions. A, Physical Metallurgy and Materials Science, 47A(4), 1481–1498.

By: J. Narayan & A. Bhaumik

Source: NC State University Libraries
Added: August 6, 2018