Optical absorption of hexagonal boron nitride involving nitrogen vacancies and their complexes

Optical absorption of hexagonal boron nitride involving nitrogen vacancies and their complexes

Bibliografske podrobnosti
Parent link:	Physics of the Solid State: Scientific Journal Vol. 46, iss. 3.— 2004.— [P. 435-441]
Drugi avtorji:	Grinyaev S. N. Sergey Nikolaevich, Konusov F. V. Fedor Valerievich, Lopatin V. V. Vladimir Vasilyevich, Shiyan L. N. Lyudmila Nikolaevna
Izvleček:	Title screen The pseudopotential and supercell methods are used to study the optical absorption of graphite-like hexagonal boron nitride involving deep levels of nitrogen vacancies and their clusters. The impurity-induced absorption is shown to be mainly related to electron transitions between the states that are antisymmetric with respect to the horizontal plane. Therefore, this absorption is highly anisotropic and is maximum for light waves polarized normally to the hexagonal axis. The optical absorption and photoconductivity spectra before and after neutron irradiation and thermal treatment are interpreted, and the activation energies for the thermoluminescence and conductivity of nitrogen-depleted boron nitride before and after fast-neutron irradiation and vacuum annealing are found. Режим доступа: по договору с организацией-держателем ресурса
Jezik:	angleščina
Izdano:	2004
Teme:	электронный ресурс труды учёных ТПУ
Online dostop:	http://dx.doi.org/10.1134/1.1687856
Format:	Elektronski Book Chapter
KOHA link:	https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=637350

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