Ministry of Education
Sumalay Roy
VIDWAN ID: 308552

Dr Sumalay Roy

Male Doctor of Philosophy
Assistant Professor | Department of Physics and Astrophysics
University of Delhi
Delhi
Expertise: Applied Physics
ORCID 0000-0002-7203-167X Scopus 57211730174 Google Scholar Kdj4foYAAAAJ
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35 Publications
0 Projects
385 Scopus Citations
368 CrossRef
10 Years 5 Months Total Experience
Publications
35 Total
Articles
31
Proceedings
4
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385 Citations
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368 Citations
10 h-index
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Personal Details

Doctor of Philosophy
N/A
Assistant Professor
Apr 2016 – Present
University of Delhi | Department of Physics and Astrophysics
Physical Sciences
Applied Physics

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Scholarly Publications

Ascertaining the nanocluster formation within an ion-irradiated Pt/Ni/C multi-trilayer with X-ray absorption spectroscopy

Open Access
Journal Article
JOURNAL OF SYNCHROTRON RADIATION. Year: 2013. Volume: 20 , Issue: 1 , Pages: 137-144 .
Authors: Ramanan, N.; Roy, S.; Lahiri, D.; Sharma, S.M.; Dev, B.N.
DOI 10.1107/S090904951204157X Crossref Crossref: 2 Scopus Scopus: 1

Observation and Structure Determination of an Oxide Quasicrystal Approximant

Journal Article
Physical Review Letters. Year: 2016. Volume: 117 , Issue: 9 , Pages: 095501 .
Authors: Förster, S.; Trautmann, M.; Roy, S.; Adeagbo, W.A.; Zollner, E.M.; Hammer, R.; Schumann, F.O.; Meinel, K.; Nayak, S.K.; Mohseni, K.; Hergert, W.; Meyerheim, H.L.; Widdra, W.
DOI 10.1103/PhysRevLett.117.095501 Crossref Crossref: 46 Scopus Scopus: 44

The Kepler tiling as the oldest complex surface structure in history: X-ray structure analysis of a two-dimensional oxide quasicrystal approximant

Journal Article
Zeitschrift für Kristallographie - Crystalline Materials. Year: 2016. Volume: 231 , Issue: 12 , Pages: 749-755 .
Authors: Roy, S.; Mohseni, K.; Förster, S.; Trautmann, M.; Schumann, F.; Zollner, E.; Meyerheim, H.; Widdra, W.
DOI 10.1515/zkri-2016-2004 Crossref Crossref: 14 Scopus Scopus: 14

Surface alloying and iron selenide formation in Fe/Bi2Se3 observed by x-ray absorption fine structure experiments

Journal Article
Physical Review B. Year: 2015.

Atomic and electronic structure of bismuth-bilayer-terminated Bi2Se3(0001) prepared by atomic hydrogen etching

Open Access
Journal Article
Year: 2015. Volume: 92 , Issue: 4 , Pages: 045423 .
Authors: A. Polyakov; Holger L. Meyerheim; E. Daryl Crozier; R. A. Gordon; K. Mohseni; S. Roy; A. Ernst; M. G. Vergniory; X. Zubizarreta; M. M. Otrokov; E. V. Chulkov; J. Kirschner
DOI 10.1103/PhysRevB.92.045423 Crossref Crossref: 34 Scopus Scopus: 34

Atomic and electronic structure of bismuth-bilayer-terminated Bi<inf>2</inf>Se<inf>3</inf> (0001) prepared by atomic hydrogen etching

Open Access
Journal Article
Year: 2015. Volume: 91 , Issue: 20 , Pages: 205430 .
Authors: Shokri, R.; Meyerheim, H.L.; Roy, S.; Mohseni, K.; Ernst, A.; Otrokov, M.M.; Chulkov, E.V.; Kirschner, J.
DOI 10.1103/PhysRevB.91.205430 Crossref Crossref: 28 Scopus Scopus: 28

Atomic relaxations at the (0001) surface of Bi2Se3 single crystals and ultrathin films

Open Access
Journal Article
Year: 2014. Volume: 90 , Issue: 15 , Pages: 155456 .
Authors: Roy, S.; Meyerheim, H.L.; Mohseni, K.; Ernst, A.; Otrokov, M.M.; Vergniory, M.G.; Mussler, G.; Kampmeier, J.; Grützmacher, D.; Tusche, C.; Schneider, J.; Chulkov, E.V.; Kirschner, J.
DOI 10.1103/PhysRevB.90.155456 Crossref Crossref: 35 Scopus Scopus: 35

Tuning the Dirac point position in Bi 2Se 3(0001) via surface carbon doping

Journal Article
Physical Review Letters. Year: 2014. Volume: 113 , Issue: 11 , Pages: 116802 .
Authors: Roy, S.; Meyerheim, H.L.; Ernst, A.; Mohseni, K.; Tusche, C.; Vergniory, M.G.; Menshchikova, T.V.; Otrokov, M.M.; Ryabishchenkova, A.G.; Aliev, Z.S.; Babanly, M.B.; Kokh, K.A.; Tereshchenko, O.E.; Chulkov, E.V.; Schneider, J.; Kirschner, J.
DOI 10.1103/PhysRevLett.113.116802 Crossref Crossref: 45 Scopus Scopus: 45
Showing 1 to 8 of 35 publications