Published September 2009 | Version v1
Journal article Metadata-only

A nodeless superconducting gap in Sr2RuO4 from tunneling spectroscopy

Creators

  • 1. Laboratorio de Bajas Temperaturas, Departamento de Fisica de la Materia Condensada Instituto de Ciencia de Materiales Nicolas Cabrera, Facultad de Ciencias Universidad Autonoma de Madrid, 28049 Madrid (Spain)
  • 2. Institut Neel, CNRS/UJF, 25, Av. des Martyrs, BP166, 38042 Grenoble Cedex 9 (France)
  • 3. CEA, INAC, SPSMS, 38054 Grenoble (France)

Description

We report on tunneling spectroscopy measurements using a scanning tunneling microscope (STM) on the spin triplet superconductor Sr2RuO4. A fully open gap, close to the Bardeen-Cooper-Schrieffer (BCS) value, is found, which disappears at the bulk Tc=1.5 K. The results are discussed in the framework of recent multigap scenarios for an unconventional spin triplet superconductor.

Availability note (English)

Available from http://dx.doi.org/10.1088/1367-2630/11/9/093004

Additional details

Identifiers

DOI
10.1088/1367-2630/11/9/093004;

Publishing Information

Journal Title
New Journal of Physics
Journal Volume
11
Journal Issue
9
Journal Page Range
[8 p.]
ISSN
1367-2630

INIS

Country of Publication
United Kingdom
Country of Input or Organization
International Atomic Energy Agency (IAEA)
INIS RN
41054400
Subject category
S36: MATERIALS SCIENCE;
Descriptors DEI
BCS THEORY; OXYGEN COMPOUNDS; RUTHENIUM COMPOUNDS; SCANNING TUNNELING MICROSCOPY; SPECTROSCOPY; SPIN; STRONTIUM COMPOUNDS; SUPERCONDUCTORS; TEMPERATURE DEPENDENCE; TEMPERATURE RANGE 0000-0013 K; TRIPLETS; TUNNEL EFFECT
Descriptors DEC
ALKALINE EARTH METAL COMPOUNDS; ANGULAR MOMENTUM; MICROSCOPY; MULTIPLETS; PARTICLE PROPERTIES; REFRACTORY METAL COMPOUNDS; TEMPERATURE RANGE; TRANSITION ELEMENT COMPOUNDS