2022
DOI: 10.3390/coatings12121802
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Growth and Optical Properties of Ga2O3 Layers of Different Crystalline Modifications

Abstract: In the present work, a new method of growing layers of three main crystal modifications of Ga2O3, namely α-phase, ε-phase, and β-phase, with thickness of 1 µm or more was developed. The method is based on the use of two approaches, namely a combination of Ga2O3 growth using the hydride vapor-phase epitaxy (HVPE) method and the use of a silicon crystal with a buffer layer of dislocation-free silicon carbide as a substrate. As a result, Ga2O3 gallium oxide layers of three major Ga2O3 crystal modifications were g… Show more

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Cited by 6 publications
(4 citation statements)
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“…A linear energy transfer (LET) value, which is used in the simulations for an ion, can be estimated by equation ( 2) with LET 0 . The ρ and E p in equation ( 2), which indicate the atomic density and ionization energy of Ga 2 O 3 material, are 5.9 g cm −3 and 15.6 eV [25,26], respectively. The Ta-ion with an energy of 2098.3 MeV at normal incidence is simulated in this paper, and the LET 0 value is calculated about 58.9 MeV•cm 2 mg −1 in Ga 2 O 3 by SRIM software.…”
Section: Device Structure and Tcad Simulation Setupmentioning
confidence: 99%
“…A linear energy transfer (LET) value, which is used in the simulations for an ion, can be estimated by equation ( 2) with LET 0 . The ρ and E p in equation ( 2), which indicate the atomic density and ionization energy of Ga 2 O 3 material, are 5.9 g cm −3 and 15.6 eV [25,26], respectively. The Ta-ion with an energy of 2098.3 MeV at normal incidence is simulated in this paper, and the LET 0 value is calculated about 58.9 MeV•cm 2 mg −1 in Ga 2 O 3 by SRIM software.…”
Section: Device Structure and Tcad Simulation Setupmentioning
confidence: 99%
“…Несмотря на довольно большое количество метастабильных фаз, получить их очень сложно, так как растет в основном лишь стабильная β-фаза. В [13] разработан способ получения трех основных фаз оксида галлия, а именно стабильной β-фазы, метастабильной α-фазы и метастабильной ε-фазы методом хлорид-гидридной эпитаксии на гибридных подложках 3C-SiC/Si при различных температурах. В настоящей работе эти три фазы получены аналогичным методом, но на сапфире (Al 2 O 3 ), что особенно актуально для α-фазы, поскольку она имеет такую же структуру корунда, как и сапфир.…”
unclassified
“…Видно, что до отжига образец представлял собой эпитаксиальную пленку ε-фазы Ga 2 O 3 , ориентированную в направлении 001 , а после отжига -эпитаксиальную пленку β-фазы Ga 2 O 3 , ориентированную в направлении ( 310). Линии рамановского спектра также полностью соответствуют линиям ε-и β-фаз Ga 2 O 3 [13]. Интересно отметить, что β-фаза Ga 2 O 3 при температурах 800−1000 • C растет на подложках сапфира в другом направлении, а именно ( 201).…”
unclassified
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