S
Stefan Ivanov
Researcher at Ioffe Institute
Publications - 344
Citations - 9255
Stefan Ivanov is an academic researcher from Ioffe Institute. The author has contributed to research in topics: Molecular beam epitaxy & Photoluminescence. The author has an hindex of 47, co-authored 336 publications receiving 8573 citations. Previous affiliations of Stefan Ivanov include Bulgarian Academy of Sciences & Max Planck Society.
Papers
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Journal ArticleDOI
Absorption and Emission of Hexagonal InN. Evidence of Narrow Fundamental Band Gap.
V. Yu. Davydov,A. A. Klochikhin,R. P. Seisyan,Valentin V. Emtsev,Stefan Ivanov,Friedhelm Bechstedt,Jürgen Furthmüller,Hiroshi Harima,A. V. Mudryi,J. Aderhold,O. Semchinova,J. Graul +11 more
TL;DR: In this article, the authors present the results of a joint study with the Ioffe Physico-Technical Institute, Russian Academy of Science, Polytekhnicheskaya 26, 194021 St. Petersburg, Russia and the Belarus Academy of Sciences, Brovki 17, 220072 Minsk, Belarus.
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Parallel spinors and connections with skew-symmetric torsion in string theory
Thomas Friedrich,Stefan Ivanov +1 more
TL;DR: In this article, all almost contact metric, almost hermitian and G2-structures admit a connection with totally skew-symmetric torsion tensor, and prove that there exists at most one such connection.
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Radiative recombination in type-ii gasb/gaas quantum dots
Fariba Hatami,Nikolai N. Ledentsov,Marius Grundmann,J. Böhrer,Frank Heinrichsdorff,M. Beer,Dieter Bimberg,S. S. Ruvimov,Peter Werner,Ulrich Gösele,J. Heydenreich,U. Richter,Stefan Ivanov,B. Ya. Meltser,P. S. Kop’ev,Zh. I. Alferov +15 more
TL;DR: In this paper, a GaSb quantum dot with a staggered band lineup (type II) is formed in a GaAs matrix using molecular beam epitaxy, where the dots are growing in a self-organized way on a GaAS(100) surface.
Journal ArticleDOI
Band Gap of Hexagonal InN and InGaN Alloys
V. Yu. Davydov,A. A. Klochikhin,Valentin V. Emtsev,D. A. Kurdyukov,Stefan Ivanov,V. A. Vekshin,Friedhelm Bechstedt,Jürgen Furthmüller,J. Aderhold,J. Graul,A. V. Mudryi,Hiroshi Harima,Akihiro Hashimoto,Akio Yamamoto,Eugene E. Haller +14 more
TL;DR: In this article, a survey of optical absorption, photoluminescence and photomodulated reflectance spectra of single-crystalline hexagonal InN layers is presented.