Journal
JOURNAL OF PHYSICS-CONDENSED MATTER
Volume 32, Issue 38, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/1361-648X/ab9344
Keywords
anharmonic effect; electron-phonon interaction; topological material
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Funding
- National Natural Science Foundation of China [11804011, 11874076, 11974112]
- National Science Associated Funding (NSAF) [U1530402]
- Science Challenging Program [TZ2016001]
- Science and Technology Commission of Shanghai Municipality [19JC1413900]
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We report the anharmonic effect of the Raman-scattering spectrum in the low-carrier density superconductor SrxBi2Se3, which is dominated by the quartic term. Compared to the parent Bi2Se3, the superconducting Sr(x)Bi(2)Se(3)crystals show obvious phonon softening in the three optical phonon modesA1g1
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