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Physical Review B Physical review / B, 93 93 (2016 2016) 18 18, S. 180406 180406
OpenAccess  OpenAccess 
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Physical Review B Physical review / B, 93 93 (2016 2016) 12 12, S. 125409 125409
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Physical Review B Physical review / B, 94 94 (2016 2016) 14 14, S. 144432 144432
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Physical Review B Physical review / B, 94 94 (2016 2016) 18 18, S. 180406 180406
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