Výsledky vyhledávání - "BELENKY, GREGORY"

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$g$-factor engineering with InAsSb alloys toward zero band gap limit

Autor: Jiang, Yuxuan, Ermolaev, Maksim, Moon, Seongphill, Kipshidze, Gela, Belenky, Gregory, Svensson, Stefan, Ozerov, Mykhaylo, Smirnov, Dmitry, Jiang, Zhigang, Suchalkin, Sergey

Publikováno v: Phys. Rev. B 108, L121201 (2023)

Band gap is known as an effective parameter for tuning the Lande $g$-factor in semiconductors and can be manipulated in a wide range through the bowing effect in ternary alloys. In this work, using the recently developed virtual substrate technique,

Externí odkaz: http://arxiv.org/abs/2309.04779

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Dirac energy spectrum and inverted band gap in metamorphic InAsSb/InSb superlattices

Autor: Suchalkin, Sergey, Ermolaev, Maksim, Valla, Tonica, Kipshidze, Gela, Smirnov, Dmitry, Moon, Seongphill, Ozerov, Mykhaylo, Jiang, Zhigang, Jiang, Yuxuan, Svensson, Stefan P., Sarney, Wendy L., Belenky, Gregory

A Dirac-type energy spectrum was demonstrated in gapless ultra-short-period metamorphic InAsSb/InSb superlattices by angle-resolved photoemission spectroscopy (ARPES_ measurements. The Fermi velocity value 7.4x10^5 m/s in a gapless superlattice with

Externí odkaz: http://arxiv.org/abs/1909.12293

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Metamorphic InAs1-xSbx/InAs1-ySby superlattices with ultra-low bandgap as a Dirac material

Autor: Suchalkin, Sergey, Belenky, Gregory, Ermolaev, Maksim, Moon, Seongphill, Jiang, Yuxuan, Graf, David, Smirnov, Dmitry, Laikhtman, Boris, Shterengas, Leon, Kipshidze, Gela, Svensson, Stefan P., Sarney, Wendy L.

It was experimentally demonstrated that short-period metamorphic InAs1-xSbx/InAs1-ySby superlattices with ultra low bandgap have properties of a Dirac material. Cyclotron resonance and interband magneto-absorption peaks in superlattices with ultra-lo

Externí odkaz: http://arxiv.org/abs/1705.02509

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