Bulk transport paths through defects in floating zone and Al flux grown SmB$_6$
Yun Suk Eo,
Alexa Rakoski,
Shriya Sinha
et al.
Abstract:We investigate the roles of disorder on low-temperature transport in SmB 6 crystals grown by both the Al flux and floating zone methods. We used the inverted resistance method with Corbino geometry to investigate whether low-temperature variations in the standard resistance plateau arises from a surface or a bulk channel in floating zone samples. The results show significant sampledependent residual bulk conduction, in contrast to smaller amounts of residual bulk conduction previously observed in Al flux grown… Show more
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