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Thermal expansion measured by STM in the magnetic superconductor

✍ Scribed by M. Crespo; H. Suderow; S. Vieira; S. Bud’ko; P.C. Canfield

Publisher
Elsevier Science
Year
2006
Tongue
English
Weight
384 KB
Volume
378-380
Category
Article
ISSN
0921-4526

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✦ Synopsis

We present a simultaneous measurement of the superconduction tunnelling density of states and of the thermal expansion of ErNi 2 B 2 C across the antiferromagnetic transition at T N . The thermal expansion shows a sharp, well defined, lambda type anomaly at T N , whereas the tunnelling density of states appears to be unaffected by the onset of antiferromagnetic order.

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