Probing the ground state properties of iron-based superconducting pnictides and related systems by muon-spin spectroscopy

被引：13

作者：

Amato, A. ^{[1
]}

Khasanov, R. ^{[1
]}

Luetkens, H. ^{[1
]}

Klauss, H. -H. ^{[2
]}

机构：

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

[2] Tech Univ Dresden, Inst Festkorperphys, D-01069 Dresden, Germany

来源：

PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS | 2009年 / 469卷 / 9-12期

关键词：

High-temperature superconductors; Iron compounds; Pnictides; penetration depth (superconductivity); Superconducting energy gap; Type II superconductors; Muon probes; PHASE-DIAGRAM; DENSITY-WAVE; ROTATION; COEXISTENCE; ORDER;

D O I：

10.1016/j.physc.2009.03.017

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

In this short review, we attempt to give a comprehensive discussion of studies performed to date by muon-spin spectroscopy (more precisely the relaxation and rotation technique, also know as mu SR) on the recently discovered layered iron-based superconductors. On one side, mu SR has been used to characterize the magnetic state of different families of layered iron-based systems. Similarly the subtle interplay of the magnetic state and the structural transition present in some families has been investigated. We will also discuss the information provided by this technique on the interaction between the magnetic state and the superconducting phase. Finally the mu SR technique has been used to investigate the magnetic penetration depth of the superconducting ground state. The study of its absolute value, temperature and magnetic field dependence provides crucial tests for investigating possible unconventional superconducting states in such systems. (C) 2009 Elsevier B.V. All rights reserved.

引用

页码：606 / 613

页数：8

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