Suppression of twin formation for the growth of InN(10-1-3) on GaAs(110) by metalorganic vapor phase epitaxy
Suppression of twin formation for the growth of InN(10-1-3) on GaAs(110) by metalorganic vapor phase epitaxy
复制标题
金属有机气相外延在GaAs(110)上生长InN(10-1-3)孪晶的抑制
DOI:
10.1002/pssc.201200685
复制
发表时间:
2012
期刊:
影响因子:
--
通讯作者:
Hisashi Murakami
中科院分区:
文献类型:
--
作者:
T. Hirasaki;H. Murakami;Y. Kumagai and A. Koukitu;Hisashi Murakami
The influence of hydrogen (H2) in the carrier gas on the crystalline quality as well as twin‐crystal formation were investigated in the metalorganic vapor phase epitaxy (MOVPE) of InN on GaAs(110). The inclusion of twin crystals of InN(10‐13) was suppressed by the introduction of a small amount of H2during crystal growth. The surface morphology of the InN layer was also significantly influenced by the input partial pressure of H2in the carrier gas. The suppression of twin‐crystal formation and improvements in the surface morphology can be explained by the differences in the stability of the In‐ and N‐polar InN{0001} asymmetric planes in the presence of H2. Both electronic and optical properties were improved by the introduction of H2, which was probably due to the reduction of impurities such as oxygen and carbon in the InN grown layer. (© 2012 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)