Multiband electronic transport in α-Yb1-xSrxAlB4 (x = 0, 0.19(3)) single crystals

Title
Multiband electronic transport in α-Yb1-xSrxAlB4 (x = 0, 0.19(3)) single crystals
Authors
류혜진Milinda AbeykoonEmil BozinYosuke MatsumotoS. NakatsujiC. Petrovic
Issue Date
2016-10
Publisher
Journal of physics, Condensed matter : an Institute of Physics journal
Citation
VOL 28-425602-5
Abstract
We report on the evidence for the multiband electronic transport in α-YbAlB4 and α-Yb0.81(2)Sr0.19(3)AlB4. Multiband transport reveals itself below 10 K in both compounds via Hall effect measurements, whereas anisotropic magnetic ground state sets in below 3 K in α-Yb0.81(2)Sr0.19(3)AlB4. Our results show that Sr2+  substitution enhances conductivity, but does not change the quasiparticle mass of bands induced by heavy fermion hybridization.
URI
http://pubs.kist.re.kr/handle/201004/70277
ISSN
0953-8984
Appears in Collections:
KIST Publication > Article
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