Non-Bloch nature of alloy states in a conventional semiconductor alloy - GaxIn1-xP as an example

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Contrary to the conventional wisdom, electronic states in a 'well behaved' semiconductor alloy such as Ga{sub x}In{sub 1-x}P may drastically deviate from a Bloch state, which can be true even for band edge states if they are derived from degenerate critical points. For Ga{sub x}In{sub 1-x}P in the entire composition range, k-space spectral analyses are performed for the important critical points, revealing the significance of the (near) resonant inter-and intra-valley scatterings of the fluctuation potential in the alloy. The non-trivial implications of such scatterings on the transport and strain effect are discussed.

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Wang, Lin-Wang; Zhang, Yong; Mascarenhas, Angelo & Wang, Lin-Wang July 11, 2008.

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Contrary to the conventional wisdom, electronic states in a 'well behaved' semiconductor alloy such as Ga{sub x}In{sub 1-x}P may drastically deviate from a Bloch state, which can be true even for band edge states if they are derived from degenerate critical points. For Ga{sub x}In{sub 1-x}P in the entire composition range, k-space spectral analyses are performed for the important critical points, revealing the significance of the (near) resonant inter-and intra-valley scatterings of the fluctuation potential in the alloy. The non-trivial implications of such scatterings on the transport and strain effect are discussed.

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  • Journal Name: Physics Review Letter

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  • Report No.: LBNL-733E
  • Grant Number: DE-AC02-05CH11231
  • Office of Scientific & Technical Information Report Number: 935713
  • Archival Resource Key: ark:/67531/metadc897436

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  • July 11, 2008

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  • Sept. 27, 2016, 1:39 a.m.

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  • Nov. 8, 2016, 1:17 p.m.

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Wang, Lin-Wang; Zhang, Yong; Mascarenhas, Angelo & Wang, Lin-Wang. Non-Bloch nature of alloy states in a conventional semiconductor alloy - GaxIn1-xP as an example, article, July 11, 2008; Berkeley, California. (digital.library.unt.edu/ark:/67531/metadc897436/: accessed September 25, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.