CHARACTERIZATION OF THE SPIN-PEIERLS GAP IN CUGEO3 BY MEANS OF INELASTIC NEUTRON-SCATTERING

被引：4

作者：

FUJITA, O

NISHI, M

AKIMITSU, J

OKUMURA, H

KAKURAI, K

FUJII, Y

机构：

[1] AOYAMA GAKUIN UNIV,DEPT PHYS,TOKYO 157,JAPAN

[2] AOYAMA GAKUIN UNIV,INST SOLID STATE PHYS,TOKYO 157,JAPAN

[3] TOHOKU UNIV,DEPT PHYS,SENDAI,MIYAGI 980,JAPAN

来源：

PHYSICA B | 1995年 / 213卷

关键词：

D O I：

10.1016/0921-4526(95)00130-2

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

The magnetic-field dependence of the spin-Peierls gap in a CuGeO3 single crystal has been studied by means of inelastic neutron scattering with and without polarization analysis. We have clarified the excitonic nature of the singlet-triplet transition in the spin-Peierls system.

引用

页码：281 / 283

页数：3

共 9 条

[1] EVIDENCE FOR A SINGLET-TRIPLET TRANSITION IN SPIN-PEIERLS SYSTEM CUGEO3 [J].

FUJITA, O ;

AKIMITSU, J ;

NISHI, M ;

KAKURAI, K .

PHYSICAL REVIEW LETTERS, 1995, 74 (09) :1677-1680

[2] THERMAL CONTRACTION AT THE SPIN-PEIERLS TRANSITION IN CUGEO3 [J].

HARRIS, QJ ;

FENG, Q ;

BIRGENEAU, RJ ;

HIROTA, K ;

KAKURAI, K ;

LORENZO, JE ;

SHIRANE, G ;

HASE, M ;

UCHINOKURA, K ;

KOJIMA, H ;

TANAKA, I ;

SHIBUYA, Y .

PHYSICAL REVIEW B, 1994, 50 (17) :12606-12610

[3] OBSERVATION OF THE SPIN-PEIERLS TRANSITION IN LINEAR CU2+ (SPIN-1/2) CHAINS IN AN INORGANIC COMPOUND CUGEO3 [J].

HASE, M ;

TERASAKI, I ;

UCHINOKURA, K .

PHYSICAL REVIEW LETTERS, 1993, 70 (23) :3651-3654

[4] DIMERIZATION OF CUGEO3 IN THE SPIN-PEIERLS STATE [J].

HIROTA, K ;

COX, DE ;

LORENZO, JE ;

SHIRANE, G ;

TRANQUADA, JM ;

HASE, M ;

UCHINOKURA, K ;

KOJIMA, H ;

SHIBUYA, Y ;

TANAKA, I .

PHYSICAL REVIEW LETTERS, 1994, 73 (05) :736-739

[5] MAGNETIC EXCITATIONS AND POLARIZATION ANALYSIS METHOD [J].

KAKURAI, K ;

STEINER, M ;

PYNN, R .

INTERNATIONAL JOURNAL OF MODERN PHYSICS B, 1993, 7 (16-17) :3095-3111

[6] ELECTRON-DIFFRACTION STUDY OF THE INORGANIC SPIN-PEIERLS SYSTEM CUGEO3 [J].

KAMIMURA, O ;

TERAUCHI, M ;

TANAKA, M ;

FUJITA, O ;

AKIMITSU, J .

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 1994, 63 (07) :2467-2471

[7] SOFT LONGITUDINAL MODES IN SPIN-SINGLET CUGEO3 [J].

LORENZO, JE ;

HIROTA, K ;

SHIRANE, G ;

TRANQUADA, JM ;

HASE, M ;

UCHINOKURA, K ;

KOJIMA, H ;

TANAKA, I ;

SHIBUYA, Y .

PHYSICAL REVIEW B, 1994, 50 (02) :1278-1281

[8] NEUTRON-SCATTERING STUDY ON THE SPIN-PEIERLS TRANSITION IN A QUASI-ONE-DIMENSIONAL MAGNET CUGEO3 [J].

NISHI, M ;

FUJITA, O ;

AKIMITSU, J .

PHYSICAL REVIEW B, 1994, 50 (09) :6508-6510

[9] STRUCTURAL EVIDENCE FOR A SPIN PEIERLS GROUND-STATE IN THE QUASI-ONE-DIMENSIONAL COMPOUND CUGEO3 [J].

POUGET, JP ;

REGNAULT, LP ;

AIN, M ;

HENNION, B ;

RENARD, JP ;

VEILLET, P ;

DHALENNE, G ;

REVCOLEVSCHI, A .

PHYSICAL REVIEW LETTERS, 1994, 72 (25) :4037-4040

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