MUON-SPIN-ROTATION STUDY OF THE EFFECT OF ZN SUBSTITUTION ON MAGNETISM IN YBA2CU3OX

被引：75

作者：

MENDELS, P

ALLOUL, H

BREWER, JH

MORRIS, GD

DUTY, TL

JOHNSTON, S

ANSALDO, EJ

COLLIN, G

MARUCCO, JF

NIEDERMAYER, C

NOAKES, DR

STRONACH, CE

机构：

[1] CANADIAN INST ADV RES,VANCOUVER V6T 1Z1,BC,CANADA

[2] TRIUMF,SASKATOON S7N 0W0,SK,CANADA

[3] CENS,LAB LEON BRILLOUIN,F-91191 GIF SUR YVETTE,FRANCE

[4] UNIV PARIS 11,COMPOSES NON STOECHIOMETR LAB,F-91405 ORSAY,FRANCE

[5] UNIV CONSTANCE,INST PHYS,W-7750 CONSTANCE,GERMANY

[6] VIRGINIA STATE UNIV,DEPT PHYS,PETERSBURG,VA 23806

[7] UNIV BRITISH COLUMBIA,DEPT PHYS,VANCOUVER V6T 1Z1,BC,CANADA

[8] UNIV SASKATCHEWAN,DEPT PHYS,SASKATOON S7N 0W0,SASKATCHEWAN,CANADA

来源：

PHYSICAL REVIEW B | 1994年 / 49卷 / 14期

关键词：

D O I：

10.1103/PhysRevB.49.10035

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The magnetic properties of YBa2(Cu0.96Zn0.04)3Ox were studied in detail by means of muon spin rotation and relaxation for 6.0 less-than-or-equal-to x less-than-or-equal-to 6.92. The complete magnetic phase diagram was mapped out and a disordered magnetic state was found to persist between x = 6.4 and x congruent-to 6.7 (metallic transition), in contrast with pure YBa2Cu3Ox. The appearence of this magnetic state is attributed to the effect of Zn on the doped hole dynamics and might be associated with the freezing of local moments due to Zn (6.43 less-than-or-equal-to x less-than-or-equal-to 6.88), which were also detected here, in the paramagnetic state.

引用

页码：10035 / 10038

页数：4

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