Fermi surface, magnetic and superconducting properties of LaRhIn5 and CeTIn5 (T: Co, Rh and Ir)

被引：270

作者：

Shishido, H ^{[1
]}

Settai, R

Aoki, D

Ikeda, S

Nakawaki, H

Nakamura, N

Iizuka, T

Inada, Y

Sugiyama, K

Takeuchi, T

Kindo, K

Kobayashi, TC

Haga, Y

Harima, H

Aoki, Y

Namiki, T

Sato, H

Onuki, Y

机构：

[1] Osaka Univ, Grad Sch Sci, Toyonaka, Osaka 5600043, Japan

[2] Osaka Univ, KYOKUGEN, Toyonaka, Osaka 5600043, Japan

[3] Osaka Univ, Low Temp Ctr, Toyonaka, Osaka 5600043, Japan

[4] Japan Atom Energy Res Inst, Adv Sci Res Ctr, Tokai, Ibaraki 3191195, Japan

[5] Osaka Univ, Inst Sci & Ind Res, Ibaraki 5670047, Japan

[6] Tokyo Metropolitan Univ, Grad Sch, Hachioji, Tokyo 1920309, Japan

来源：

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN | 2002年 / 71卷 / 01期

关键词：

Fermi surface; superconductivity; heavy fermions; non-Fermi liquid; LaRhIn5; CeTIn5; (T; Co; Rh; Ir);

D O I：

10.1143/JPSJ.71.162

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We have studied Fermi surface properties of LaRhIn5 and CeTIa(5) (T: Co, Rh and Ir) via the de Haasvan Alphen (dHvA) experiment. The Fermi surface of a non-4f reference compound LaRhIn5 is quasi-two dimensional, reflecting the unique tetragonal crystal structure, which is consistent with the result of FLAWP energy band calculations. The Fermi surface of an antiferromagnet CeRhIn5 is similar to that of LaRhIn5 although the cyclotron mass in CeRhIn5 is roughly by one order larger than that in LaRhIn5. Both Fermi surfaces are. however, different from those of CeCoIn5 and CcIrIn(5) which are well explained by the 4f-itinerant band model. The 4f electrons in CeRhIn5 thus do not contribute to the volume of ate Fermi surface. We have also studied magnetic and superconducting properties of CeCoIn5 and CeIrIn5.

引用

页码：162 / 173

页数：12

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