High field gap closure in the Kondo insulator SmB6

Authors
Cooley, JC Mielke, CH Hults, VL Goettee, JD Honold, MM Modler, RM Lacerda, A Rickel, DG Smith, JL
Citation
Jc. Cooley et al., High field gap closure in the Kondo insulator SmB6, J SUPERCOND, 12(1), 1999, pp. 171-173
Citations number
16
Categorie Soggetti
Apllied Physucs/Condensed Matter/Materiales Science
Journal title
JOURNAL OF SUPERCONDUCTIVITY
ISSN journal
08961107 → ACNP
Volume
12
Issue
1
Year of publication
1999
Pages
171 - 173
Database
ISI
SICI code
0896-1107(199902)12:1<171:HFGCIT>2.0.ZU;2-I
Abstract
We have measured the longitudinal magnetoresistance of SmB6 single crystals in magnetic fields up to 145 T. The insulating gap closes at approximate t o 80-90 T and above 100 T the magnetoresistance is positive and quadratic.