Excitons and trions in two-dimensional semiconductors based on transition metal dichalcogenides

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Excitons and trions in two-dimensional semiconductors based on transition metal dichalcogenides. / Durnev, M. V.; Glazov, M. M.

в: Physics-Uspekhi, Том 61, № 9, 01.01.2018, стр. 825-845.

Результаты исследований: Научные публикации в периодических изданиях › Обзорная статья › Рецензирование

BibTeX

@article{6b8a6a13d5cc4312a7708849ae3f6a30,

title = "Excitons and trions in two-dimensional semiconductors based on transition metal dichalcogenides",

abstract = "Theoretical and experimental results on excitonic effects in monomolecular layers of transition metal dichalcogenides are reviewed. These two-dimensional semiconductors exhibit a direct bandgap of about 2 eV at the Brillouin zone edges, and the binding energies of their neutral and charged excitons are in the range of hundreds and tens of millielectron-volts, respectively. This implies that electron±hole complexes determine the optical properties of transition metal dichalco-genide monolayers. Topics discussed in this review include the band structure details needed to understand the excitonic effects in these materials, the structure and fine structure of exciton and trion energy levels, the features of the spin and valley dynamics of Coulomb complexes, and how neutral and charged excitons manifest themselves in linear and nonlinear optical effects.",

keywords = "Coulomb interaction, Exchange interaction, Exciton, Optical orientation, Second harmonic generation, Spin dynamics, Transition metal dichalcogenides monolayers, Trion, Two-photon absorption, Valley dynamics, Zeeman effect",

author = "Durnev, {M. V.} and Glazov, {M. M.}",

year = "2018",

month = jan,

day = "1",

doi = "10.3367/UFNe.2017.07.038172",

language = "English",

volume = "61",

pages = "825--845",

journal = "Physics-Uspekhi",

issn = "1063-7869",

publisher = "Turpion Ltd.",

number = "9",

}

RIS

TY - JOUR

T1 - Excitons and trions in two-dimensional semiconductors based on transition metal dichalcogenides

AU - Durnev, M. V.

AU - Glazov, M. M.

PY - 2018/1/1

Y1 - 2018/1/1

N2 - Theoretical and experimental results on excitonic effects in monomolecular layers of transition metal dichalcogenides are reviewed. These two-dimensional semiconductors exhibit a direct bandgap of about 2 eV at the Brillouin zone edges, and the binding energies of their neutral and charged excitons are in the range of hundreds and tens of millielectron-volts, respectively. This implies that electron±hole complexes determine the optical properties of transition metal dichalco-genide monolayers. Topics discussed in this review include the band structure details needed to understand the excitonic effects in these materials, the structure and fine structure of exciton and trion energy levels, the features of the spin and valley dynamics of Coulomb complexes, and how neutral and charged excitons manifest themselves in linear and nonlinear optical effects.

AB - Theoretical and experimental results on excitonic effects in monomolecular layers of transition metal dichalcogenides are reviewed. These two-dimensional semiconductors exhibit a direct bandgap of about 2 eV at the Brillouin zone edges, and the binding energies of their neutral and charged excitons are in the range of hundreds and tens of millielectron-volts, respectively. This implies that electron±hole complexes determine the optical properties of transition metal dichalco-genide monolayers. Topics discussed in this review include the band structure details needed to understand the excitonic effects in these materials, the structure and fine structure of exciton and trion energy levels, the features of the spin and valley dynamics of Coulomb complexes, and how neutral and charged excitons manifest themselves in linear and nonlinear optical effects.

KW - Coulomb interaction

KW - Exchange interaction

KW - Exciton

KW - Optical orientation

KW - Second harmonic generation

KW - Spin dynamics

KW - Transition metal dichalcogenides monolayers

KW - Trion

KW - Two-photon absorption

KW - Valley dynamics

KW - Zeeman effect

UR - http://www.scopus.com/inward/record.url?scp=85058448965&partnerID=8YFLogxK

U2 - 10.3367/UFNe.2017.07.038172

DO - 10.3367/UFNe.2017.07.038172

M3 - Review article

AN - SCOPUS:85058448965

VL - 61

SP - 825

EP - 845

JO - Physics-Uspekhi

JF - Physics-Uspekhi

SN - 1063-7869

IS - 9

ER -

ID: 36903332