Break-junction spectroscopy of antiferromagnetic Ce(Fe,Co)2

被引：2

作者：

Ekino, T ^{[1
]}

Hasegawa, Y

Fukuda, H

Kamura, H

Fujii, H

机构：

[1] Hiroshima Univ, Grad Sch Adv Sci Matter, Higashihiroshima 7398526, Japan

[2] Hiroshima Univ, Fac Integrated Arts & Sci, Higashihiroshima 7398521, Japan

来源：

PHYSICA B | 2000年 / 284卷

关键词：

break junction; Ce(Fe1-xCox)(2); SDW gap;

D O I：

10.1016/S0921-4526(99)02601-0

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

We have carried out break-junction measurements of Ce(Fe,Co)(2) in the antiferromagnetic state. The characteristic features observed at 4.2 K can be attributed to the energy gap below T-N = 90 K, The gap magnitude is evaluated to be approximate to 10-12 meV. (C) 2000 Elsevier Science B.V. All rights reserved.

引用

页码：1327 / 1328

页数：2

共 10 条

[1]

APPLEBAUM J, 1968, PHYS REV, V154, P633

[2] TUNNELING EVIDENCE FOR THE QUASI-PARTICLE GAP IN KONDO SEMICONDUCTORS CENISN AND CERHSB [J].

EKINO, T ;

TAKABATAKE, T ;

TANAKA, H ;

FUJII, H .

PHYSICAL REVIEW LETTERS, 1995, 75 (23) :4262-4265

[3]

EKINO T, 1999, J MAG SOC JPN, V23, P111

[4] MAGNETIC CHARACTERISTICS OF CEFE2 [J].

FARRELL, J ;

WALLACE, WE .

JOURNAL OF CHEMICAL PHYSICS, 1964, 41 (05) :1524-&

[5]

FUKUDA H, IN PRESS PHYSICA B

[6] Break junctions of the heavy-fermion antiferromagnet CeAl2 [J].

Gloos, K .

CZECHOSLOVAK JOURNAL OF PHYSICS, 1996, 46 :2055-2056

[7] Giant magnetoresistance in Ce2Fe17 [J].

Janssen, Y ;

Fujii, H ;

Ekino, T ;

Izawa, K ;

Suzuki, T ;

Fujita, T ;

deBoer, FR .

PHYSICAL REVIEW B, 1997, 56 (21) :13716-13719

[8] FERROMAGNETIC SUPERCONDUCTORS [J].

MATTHIAS, BT ;

SUHL, H ;

CORENZWIT, E .

PHYSICAL REVIEW LETTERS, 1958, 1 (12) :449-450

[9] Giant magnetoresistance in intermetallics [J].

Sechovsky, V ;

Havela, L ;

Nakotte, H ;

Bruck, E .

IEEE TRANSACTIONS ON MAGNETICS, 1996, 32 (05) :4687-4691

[10] DESTRUCTION OF MAGNETIC ORDER BY A COLD CURRENT [J].

WOHLLEBEN, D ;

PAULUS, E ;

VOSS, G ;

FREIMUTH, A .

EUROPHYSICS LETTERS, 1987, 3 (01) :107-112

← 1 →