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Abstract
We report specific-heat measurements of the organic superconductors κ- (ET) 2 Cu (NCS) 2 and κ- (ET) 2 Cu [N (CN) 2] Br. When the magnetic field is rotated in the highly conducting planes at low temperature (T0.4K), we observe clear oscillations of specific heat which have a strong fourfold component. The observed strong field and temperature dependence of this fourfold component identifies it as originating from nodes in the superconducting energy gap which point along the in-plane crystal axes (dxy symmetry).
Original language | English |
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Article number | 014522 |
Journal | Physical Review B: Condensed Matter and Materials Physics |
Volume | 82 |
Issue number | 1 |
DOIs | |
Publication status | Published - 16 Jul 2010 |
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Dive into the research topics of 'Location of gap nodes in the organic superconductors κ-(ET) 2Cu(NCS)2 and κ-(ET)2Cu[N (CN) 2]Br determined by magnetocalorimetry'. Together they form a unique fingerprint.Projects
- 1 Finished
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PARTNERSHIP FUNDING: NOVEL QUANTUM ORDER IN INTERACTING ELECTRON METALS
Hayden, S. M. (Principal Investigator)
1/10/04 → 1/10/09
Project: Research