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Pressure-induced quantum phase transitions in a YbB6 single crystal
Zhou; YZ; Kim; DJ; Rosa; PFS; Wu; Q; Guo; J; Zhang; S; Wang; Z; Kang; DF; Yi; W; Li; YC; Li; XD; Liu; J; Duan; PQ; Zi; M; Wei; XJ; Jiang; Z; Huang; YY; Yang; YF; Fisk; Z; Sun; LL; Zhao; ZX; Li YC(李延春); Li XD(李晓东); Liu J(刘景)
Source PublicationPHYSICAL REVIEW B
AbstractWe report the observation of two pressure-induced quantum phase transitions in a YbB6 single crystal, i.e., from a topologically trivial semiconductor to an intermediate semimetal and then from the semimetal to a possible topologically nontrivial high-pressure gapped phase through in situ high-pressure transport and synchrotron x-ray diffraction measurements. Our high-pressure absorption results reveal that the mixed-valence state in pressurized YbB6 above 15 GPa plays an important role in the formation of the high-pressure state with a reopened gap. These high-pressure results may be helpful for shedding light on the intriguing relation between the topology and the 4f electrons in the rare-earth hexaborides.
Subject AreaPhysics
Indexed BySCI ; ADS
WOS Research AreaMaterials Science, Multidisciplinary ; Physics, Applied ; Physics, Condensed Matter
WOS SubjectMaterials Science ; Physics
WOS IDWOS:000367379400001
ADS Bibcode2015PhRvB..92x1118Z
ADS URLhttps://ui.adsabs.harvard.edu/abs/2015PhRvB..92x1118Z
ADS CITATIONShttps://ui.adsabs.harvard.edu/abs/2015PhRvB..92x1118Z/citations
Citation statistics
Cited Times:18 [ADS]
Document Type期刊论文
Recommended Citation
GB/T 7714
Zhou,YZ,Kim,et al. Pressure-induced quantum phase transitions in a YbB6 single crystal[J]. PHYSICAL REVIEW B,2015,92(24):241118.
APA Zhou.,YZ.,Kim.,DJ.,Rosa.,...&刘景.(2015).Pressure-induced quantum phase transitions in a YbB6 single crystal.PHYSICAL REVIEW B,92(24),241118.
MLA Zhou,et al."Pressure-induced quantum phase transitions in a YbB6 single crystal".PHYSICAL REVIEW B 92.24(2015):241118.
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