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Superconductivity in MgB 2 at 39 K—A Sensational and Curious Discovery
Author(s) -
Köhler Jürgen
Publication year - 2001
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/1521-3773(20010702)40:13<2435::aid-anie2435>3.0.co;2-2
Subject(s) - magnesium diboride , superconductivity , condensed matter physics , physics , materials science , critical current
It was a sensation , when in January this year the message went around the world that magnesium diboride MgB 2 , known for fifty years, becomes superconducting below the relatively moderate temperature of 39 K (see picture). The commercially available compound was simply overlooked during the search for new superconductors over the past decades.