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Published online 28 January 2009 | Nature | doi:10.1038/news.2009.64
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Superconducting in 3-D
Newly discovered superconductor family begins to reveal its charms.
About a year ago, Japanese researchers discovered a new family of 'high-temperature' superconductors1 — the first in more than 20 years — and excitement quickly led to hope: could the iron arsenide compounds, known as pnictides, be the breakthrough that had eluded the superconducting community? Theoretical explanations for high-temperature superconductivity have been complicated by recent discoveries2. But in practical terms, the pnictides are looking better by the day.
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