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Evidence for a ‘coherence’ gap in Ce3Bi4Pt3

✍ Scribed by M.F. Hundley; P.C. Canfield; J.D. Thompson; Z. Fisk; J.M. Lawrence

Publisher
Elsevier Science
Year
1991
Tongue
English
Weight
310 KB
Volume
171
Category
Article
ISSN
0921-4526

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Studies of the Kondo insulator Ce3Bi4Pt3
Studies of the Kondo insulator Ce3Bi4Pt3 in 61 T pulsed magnetic fields
✍ G.S. Boebinger; A. Passner; P.C. Canfield; Z. Fisk 📂 Article 📅 1995 🏛 Elsevier Science 🌐 English ⚖ 201 KB

In magnetic fields up to 61 T, magnetotransport measurements on the Kondo insulator, Ce3Bi4Pt3, find dramatic decreases in resisitivity and increases in electron density for temperatures below ~ 15 K. The data sugggst that the magnetic field collapses a small ( ~ 37 K) energy gap, yielding metallic