期刊
NANOTECHNOLOGY
卷 31, 期 40, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/1361-6528/ab98bd
关键词
epitaxy; InGaN; graphene; van der Waals; MBE
In this work, the growth of InGaN on epitaxial graphene by molecular beam epitaxy is studied. The nucleation of the alloy follows a three-dimensional (3D) growth mode in the observed temperature range of 515 degrees C-765 degrees C, leading to the formation of dendrite-like islands. Careful Raman scattering experiments show that the graphene underneath is not degraded by the InGaN growth. Moreover, lateral displacement of the nuclei during an atomic force microscopy (AFM) scan demonstrates weak bonding interactions between the InGaN and the graphene. Finally, a longer growth time of the alloy gives rise to a compact thin film in a partial epitaxial relationship with the SiC underneath the graphene.
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