de Haas-van Alphen Oscillation in Both Normal and Superconducting Mixed States of CeRu2

Masato Hedo; Yoshihiko Inada; Takashi Ishida; Yoshichika Ōnuki; Etsuji Yamamoto; Yoshinori Haga; Yoshichika Ōnuki; Masahiko Higuchi; Akira Hasegawa

doi:10.1143/JPSJ.64.4535

de Haas-van Alphen Oscillation in Both Normal and Superconducting Mixed States of CeRu₂

Masato Hedo, Yoshihiko Inada, Takashi Ishida, Yoshichika Ōnuki, Etsuji Yamamoto, Yoshinori Haga, Yoshichika Ōnuki, Masahiko Higuchi, Akira Hasegawa

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

21 Citations (Scopus)

Abstract

We have observed the de Haas-van Alphen (dHvA) oscillation in both the normal and superconducting mixed states of CeRu₂. The dHvA amplitude in the mixed state is extremely reduced for the large cyclotron orbit or the carrier with a large cross-sectional area of the Fermi surface compared to the small one. We have detected three dHvA branches, ranging from 6 × 10⁵ Oe to 2.3 × 10⁷ Oe. The origin of these branches is well explained by the 4f-itinerant band model.

Original language	English
Pages (from-to)	4535-4539
Number of pages	5
Journal	journal of the physical society of japan
Volume	64
Issue number	12
DOIs	https://doi.org/10.1143/JPSJ.64.4535
Publication status	Published - Dec 1995
Externally published	Yes

Keywords

CeRu
Fermi surface
dHvA
superconductor

ASJC Scopus subject areas

Physics and Astronomy(all)

Access to Document

10.1143/JPSJ.64.4535

Cite this

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title = "de Haas-van Alphen Oscillation in Both Normal and Superconducting Mixed States of CeRu2",

abstract = "We have observed the de Haas-van Alphen (dHvA) oscillation in both the normal and superconducting mixed states of CeRu2. The dHvA amplitude in the mixed state is extremely reduced for the large cyclotron orbit or the carrier with a large cross-sectional area of the Fermi surface compared to the small one. We have detected three dHvA branches, ranging from 6 × 105 Oe to 2.3 × 107 Oe. The origin of these branches is well explained by the 4f-itinerant band model.",

keywords = "CeRu, Fermi surface, dHvA, superconductor",

author = "Masato Hedo and Yoshihiko Inada and Takashi Ishida and Yoshichika Ōnuki and Etsuji Yamamoto and Yoshinori Haga and Yoshichika Ōnuki and Masahiko Higuchi and Akira Hasegawa",

year = "1995",

month = dec,

doi = "10.1143/JPSJ.64.4535",

language = "English",

volume = "64",

pages = "4535--4539",

journal = "Journal of the Physical Society of Japan",

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TY - JOUR

T1 - de Haas-van Alphen Oscillation in Both Normal and Superconducting Mixed States of CeRu2

AU - Hedo, Masato

AU - Inada, Yoshihiko

AU - Ishida, Takashi

AU - Ōnuki, Yoshichika

AU - Yamamoto, Etsuji

AU - Haga, Yoshinori

AU - Ōnuki, Yoshichika

AU - Higuchi, Masahiko

AU - Hasegawa, Akira

PY - 1995/12

Y1 - 1995/12

N2 - We have observed the de Haas-van Alphen (dHvA) oscillation in both the normal and superconducting mixed states of CeRu2. The dHvA amplitude in the mixed state is extremely reduced for the large cyclotron orbit or the carrier with a large cross-sectional area of the Fermi surface compared to the small one. We have detected three dHvA branches, ranging from 6 × 105 Oe to 2.3 × 107 Oe. The origin of these branches is well explained by the 4f-itinerant band model.

AB - We have observed the de Haas-van Alphen (dHvA) oscillation in both the normal and superconducting mixed states of CeRu2. The dHvA amplitude in the mixed state is extremely reduced for the large cyclotron orbit or the carrier with a large cross-sectional area of the Fermi surface compared to the small one. We have detected three dHvA branches, ranging from 6 × 105 Oe to 2.3 × 107 Oe. The origin of these branches is well explained by the 4f-itinerant band model.

KW - CeRu

KW - Fermi surface

KW - dHvA

KW - superconductor

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