Coexistence of incommensurate magnetism and superconductivity in Fe1+ySexTe1-x

被引：116

作者：

Khasanov, R. ^{[1
]}

Bendele, M. ^{[1
,2
]}

Amato, A. ^{[1
]}

Babkevich, P. ^{[3
,4
,5
]}

Boothroyd, A. T. ^{[3
]}

Cervellino, A. ^{[6
]}

Conder, K. ^{[7
]}

Gvasaliya, S. N. ^{[4
,5
]}

Keller, H. ^{[2
]}

Klauss, H. -H. ^{[8
]}

Luetkens, H. ^{[1
]}

Pomjakushin, V. ^{[4
,5
]}

Pomjakushina, E. ^{[7
]}

Roessli, B. ^{[4
,5
]}

机构：

[1] Paul Scherrer Inst, Lab Muon Spin Spect, CH-5232 Villigen, Switzerland

[2] Univ Zurich, Inst Phys, CH-8057 Zurich, Switzerland

[3] Univ Oxford, Dept Phys, Clarendon Lab, Oxford OX1 3PU, England

[4] Paul Scherrer Inst, Neutron Scattering Lab, CH-5232 Villigen, Switzerland

[5] Swiss Fed Inst Technol, CH-5232 Villigen, Switzerland

[6] Paul Scherrer Inst, Swiss Light Source, CH-5232 Villigen, Switzerland

[7] Paul Scherrer Inst, Lab Dev & Methods, CH-5232 Villigen, Switzerland

[8] Tech Univ Dresden, IFP, D-01069 Dresden, Germany

来源：

PHYSICAL REVIEW B | 2009年 / 80卷 / 14期

基金：

瑞士国家科学基金会;

关键词：

PHASE-DIAGRAM;

D O I：

10.1103/PhysRevB.80.140511

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We have studied the superconducting and magnetic properties of Fe1+ySexTe1-x single crystals (0 <= x <= 0.5) by magnetic susceptibility, muon-spin rotation, and neutron diffraction. We find three regimes of behavior: (i) commensurate magnetic order for x less than or similar to 0.1, (ii) bulk superconductivity for x similar to 0.5, and (iii) a range x approximate to 0.25-0.45 in which superconductivity coexists with incommensurate magnetic order. The results are qualitatively consistent with two-band mean-field models in which itinerant magnetism and extended s-wave superconductivity are competing order parameters.

引用

页数：4

共 31 条

[1] Muon-spin-relaxation studies of magnetic order and superfluid density in antiferromagnetic NdFeAsO, BaFe2As2, and superconducting Ba1-xKxFe2As2 [J].

Aczel, A. A. ;

Baggio-Saitovitch, E. ;

Budko, S. L. ;

Canfield, P. C. ;

Carlo, J. P. ;

Chen, G. F. ;

Dai, Pengcheng ;

Goko, T. ;

Hu, W. Z. ;

Luke, G. M. ;

Luo, J. L. ;

Ni, N. ;

Sanchez-Candela, D. R. ;

Tafti, F. F. ;

Wang, N. L. ;

Williams, T. J. ;

Yu, W. ;

Uemura, Y. J. .

PHYSICAL REVIEW B, 2008, 78 (21)

[2] Tunable (δπ, δπ)-Type Antiferromagnetic Order in α-Fe(Te,Se) Superconductors [J].

Bao, Wei ;

Qiu, Y. ;

Huang, Q. ;

Green, M. A. ;

Zajdel, P. ;

Fitzsimmons, M. R. ;

Zhernenkov, M. ;

Chang, S. ;

Fang, Minghu ;

Qian, B. ;

Vehstedt, E. K. ;

Yang, Jinhu ;

Pham, H. M. ;

Spinu, L. ;

Mao, Z. Q. .

PHYSICAL REVIEW LETTERS, 2009, 102 (24)

[3] Static Magnetic Order and Superfluid Density of RFeAs(O,F) (R=La,Nd,Ce) and LaFePO Studied by Muon Spin Relaxation: Unusual Similarities with the Behavior of Cuprate Superconductors [J].

Carlo, J. P. ;

Uemura, Y. J. ;

Goko, T. ;

MacDougall, G. J. ;

Rodriguez, J. A. ;

Yu, W. ;

Luke, G. M. ;

Dai, Pengcheng ;

Shannon, N. ;

Miyasaka, S. ;

Suzuki, S. ;

Tajima, S. ;

Chen, G. F. ;

Hu, W. Z. ;

Luo, J. L. ;

Wang, N. L. .

PHYSICAL REVIEW LETTERS, 2009, 102 (08)

[4] Superconductivity at 41 K and its competition with spin-density-wave instability in layered CeO1-xFxFeAs [J].

Chen, G. F. ;

Li, Z. ;

Wu, D. ;

Li, G. ;

Hu, W. Z. ;

Dong, J. ;

Zheng, P. ;

Luo, J. L. ;

Wang, N. L. .

PHYSICAL REVIEW LETTERS, 2008, 100 (24)

[5] Valley density-wave and multiband superconductivity in iron-based pnictide superconductors [J].

Cvetkovic, Vladimir ;

Tesanovic, Zlatko .

PHYSICAL REVIEW B, 2009, 80 (02)

[6] Magnetic order close to superconductivity in the iron-based layered LaO1-xFxFeAs systems [J].

de la Cruz, Clarina ;

Huang, Q. ;

Lynn, J. W. ;

Li, Jiying ;

Ratcliff, W., II ;

Zarestky, J. L. ;

Mook, H. A. ;

Chen, G. F. ;

Luo, J. L. ;

Wang, N. L. ;

Dai, Pengcheng .

NATURE, 2008, 453 (7197) :899-902

[7]

Drew AJ, 2009, NAT MATER, V8, P310, DOI [10.1038/nmat2396, 10.1038/NMAT2396]

[8] ANTIFERROMAGNETIC STRUCTURE OF FE1.125TE FOLLOWING A MONOCLINIC DEFORMATION [J].

FRUCHART, D ;

CONVERT, P ;

WOLFERS, P ;

MADAR, R ;

SENATEUR, JP ;

FRUCHART, R .

MATERIALS RESEARCH BULLETIN, 1975, 10 (03) :169-174

[9] Lattice and magnetic instabilities in CaFe2As2:: A single-crystal neutron diffraction study [J].

Goldman, A. I. ;

Argyriou, D. N. ;

Ouladdiaf, B. ;

Chatterji, T. ;

Kreyssig, A. ;

Nandi, S. ;

Ni, N. ;

Bud'ko, S. L. ;

Canfield, P. C. ;

McQueeney, R. J. .

PHYSICAL REVIEW B, 2008, 78 (10)

[10] Neutron-Diffraction Measurements of Magnetic Order and a Structural Transition in the Parent BaFe2As2 Compound of FeAs-Based High-Temperature Superconductors [J].

Huang, Q. ;

Qiu, Y. ;

Bao, Wei ;

Green, M. A. ;

Lynn, J. W. ;

Gasparovic, Y. C. ;

Wu, T. ;

Wu, G. ;

Chen, X. H. .

PHYSICAL REVIEW LETTERS, 2008, 101 (25)

← 1 2 3 4 →