Magnetoresistance and de Haas-van Alphen Effect in UPt3

Noriaki Kimura; Rikio Settai; Yoshichika Ōnuki; Yoshichika Ōnuki; Etsuji Yamamoto; Hiroyuki Toshima; Kunihiko Maezawa; Haruyoshi Aoki; Hisatomo Harima

doi:10.1143/JPSJ.64.3881

Magnetoresistance and de Haas-van Alphen Effect in UPt₃

Noriaki Kimura, Rikio Settai, Yoshichika Ōnuki, Yoshichika Ōnuki, Etsuji Yamamoto, Hiroyuki Toshima, Kunihiko Maezawa, Haruyoshi Aoki, Hisatomo Harima

Research output: Contribution to journal › Article › peer-review

41 Citations (Scopus)

Abstract

We have done the transverse magnetoresistance and the de Haas-van Alphen (dHvA) experiments in UPt₃. The magnetoresistance increases in the whole field direction. UPt₃ is thus a compensated metal, possessing no open orbits. As for the dHvA experiment, we have observed at least three new branches. One of them is in the basal plane and the others are around the [0001] direction. The branches with dHvA frequencies of 2.7×10 Oe and 4.9×10 Oe in the field along [0001] possess large masses of 40–50 m₀. These results have been discussed on the basis of the 5f-itinerant Fermi surface model.

Original language	English
Pages (from-to)	3881-3889
Number of pages	9
Journal	journal of the physical society of japan
Volume	64
Issue number	10
DOIs	https://doi.org/10.1143/JPSJ.64.3881
Publication status	Published - 1995 Oct
Externally published	Yes

Keywords

Fermi surface
UPt
de Haas-van Alphen effect
transverse magnetoresistance

ASJC Scopus subject areas

Physics and Astronomy(all)

Access to Document

10.1143/JPSJ.64.3881

Cite this

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title = "Magnetoresistance and de Haas-van Alphen Effect in UPt3",

abstract = "We have done the transverse magnetoresistance and the de Haas-van Alphen (dHvA) experiments in UPt3. The magnetoresistance increases in the whole field direction. UPt3 is thus a compensated metal, possessing no open orbits. As for the dHvA experiment, we have observed at least three new branches. One of them is in the basal plane and the others are around the [0001] direction. The branches with dHvA frequencies of 2.7×10 Oe and 4.9×10 Oe in the field along [0001] possess large masses of 40–50 m0. These results have been discussed on the basis of the 5f-itinerant Fermi surface model.",

keywords = "Fermi surface, UPt, de Haas-van Alphen effect, transverse magnetoresistance",

author = "Noriaki Kimura and Rikio Settai and Yoshichika Ōnuki and Yoshichika Ōnuki and Etsuji Yamamoto and Hiroyuki Toshima and Kunihiko Maezawa and Haruyoshi Aoki and Hisatomo Harima",

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T1 - Magnetoresistance and de Haas-van Alphen Effect in UPt3

AU - Kimura, Noriaki

AU - Settai, Rikio

AU - Ōnuki, Yoshichika

AU - Yamamoto, Etsuji

AU - Toshima, Hiroyuki

AU - Maezawa, Kunihiko

AU - Aoki, Haruyoshi

AU - Harima, Hisatomo

PY - 1995/10

Y1 - 1995/10

N2 - We have done the transverse magnetoresistance and the de Haas-van Alphen (dHvA) experiments in UPt3. The magnetoresistance increases in the whole field direction. UPt3 is thus a compensated metal, possessing no open orbits. As for the dHvA experiment, we have observed at least three new branches. One of them is in the basal plane and the others are around the [0001] direction. The branches with dHvA frequencies of 2.7×10 Oe and 4.9×10 Oe in the field along [0001] possess large masses of 40–50 m0. These results have been discussed on the basis of the 5f-itinerant Fermi surface model.

AB - We have done the transverse magnetoresistance and the de Haas-van Alphen (dHvA) experiments in UPt3. The magnetoresistance increases in the whole field direction. UPt3 is thus a compensated metal, possessing no open orbits. As for the dHvA experiment, we have observed at least three new branches. One of them is in the basal plane and the others are around the [0001] direction. The branches with dHvA frequencies of 2.7×10 Oe and 4.9×10 Oe in the field along [0001] possess large masses of 40–50 m0. These results have been discussed on the basis of the 5f-itinerant Fermi surface model.

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KW - transverse magnetoresistance

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