Peculiarities of the hydrogenated In(AsN) alloy
Peculiarities of the hydrogenated In(AsN) alloy
复制标题
氢化In(AsN)合金的特性
DOI:
10.1088/0268-1242/30/10/105030
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发表时间:
2015
影响因子:
1.9
通讯作者:
Birindelli S
中科院分区:
文献类型:
--
作者:
Birindelli S
The electronic properties of In (AsN) before and after post-growth sample irradiation with increasing doses of atomic hydrogen have been investigated by photoluminescence. The electron density increases in In (AsN) but not in N-free InAs, until a Fermi stabilization energy is established. A hydrogen epsilon+/− transition level just below the conduction band minimum accounts for the dependence of donor formation on N, in agreement with a recent theoretical report highlighting the peculiarity of InAs among III–V compounds. Raman scattering measurements indicate the formation of N–H complexes that are stable under thermal annealing up to∼ 500 K. Finally, hydrogen does not passivate the electronic activity of N, thus leaving the band gap energy of In (AsN) unchanged, once more in stark contrast to what has been reported in other dilute nitride alloys.
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