2012
DOI: 10.1088/1757-899x/38/1/012015
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The effect of Zn vacancies and Ga dopants on the electronic structure of ZnO:Ab initiosimulations

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Cited by 6 publications
(2 citation statements)
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“…Among the various dopants, Ga is the most promising due to the fact that its ionic radius and covalent radius (0.62 and 1.26Å, respectively) are similar to those of Zn (0.74 and 1.34Å, respectively). Ga 3+ can be substituted for Zn 2+ with limited lattice distortion, which prevents stress in ZnO materials [9,10]. While considering flexible device applications, it is of paramount importance to evaluate the permeation barriers, which have a direct effect on the device's functionality, and consequently on its lifetime [6].…”
Section: Introductionmentioning
confidence: 99%
“…Among the various dopants, Ga is the most promising due to the fact that its ionic radius and covalent radius (0.62 and 1.26Å, respectively) are similar to those of Zn (0.74 and 1.34Å, respectively). Ga 3+ can be substituted for Zn 2+ with limited lattice distortion, which prevents stress in ZnO materials [9,10]. While considering flexible device applications, it is of paramount importance to evaluate the permeation barriers, which have a direct effect on the device's functionality, and consequently on its lifetime [6].…”
Section: Introductionmentioning
confidence: 99%
“…(1) Также на кривой 1 наблюдается слабое формирование нескольких пиков при энергиях возбуждения 2, 4, 6, 8, 12 и 14 эВ. Основные максимумы в спектрах обозначены буквами А, Б, В, Г и Д. Максимум А при энергии 2.5 эВ в спектре ПТ показывает наличие дорадиационных дефектов (вакансий кислорода в поверхностных слоях ZnO) [17][18][19]. Достаточно большое количество работ посвящено исследованию пика А в образцах нелегированного ZnO, который располагается в области спектра, связанной с собственными дефектами, и имеет максимум около 2.0−2.5 эВ.…”
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