Iron Pnictides research coming of age

Posted in Journal Articles on October 30, 2008 at 1:37 pm by JCCMP

1. Specific heat Measurements: “Fully gapped superconducting state based on a high
normal state quasiparticle density of states in Ba0.6 K0.4 Fe2 As2 single crystals,” G. Mu, H.
Luo, Z. Wang, L. Shan, C. Ren and H.H. Wen.
arXiv:0808.2941.

2. ARPES Measurements:“Observation of Fermi surface-dependent nodeless superconduct-
ing gaps in Ba0.6 K0.4 Fe2 As2 ,” H. Ding, P. Richard, K. Nakayama, K. Sugawara, T. Arakane,
Y. Sekiba, A. Takayama, S. Souma, T. Sato, T. Takahashi, Z. Wang, X. Dai, Z. Fang, G.F.
Chen, J.L. Luo, and N.L. Wang.
arXiv:0807.0419, Europhys. Lett. 83, 4701 (2008).

“Unexpected Fermi surface topology in the new pnictide superconductor,” V.B. Zabolot-
nyy, D.S. Inosov, D.V. Evtushinsky, A. Koitzsch, A.A. Kordyuk, J.T. Park, D. Haug, V.
Hinkov, A.V. Boris, D.L. Sun, G.L. Sun, C.T. Lin, B. Keimer, M. Knupfer, B. Buechner, A.
Varykhalov, R. Follath, and S.V. Borisenko, arXiv:0808.2454.

“Tightly-bound Cooper pair, quasiparticle kinks and clues on the pairing potential in a high
Tc FeAs Superconductor,” L. Wray, D. Qian, D. Hsieh, Y. Xia, L. Li, J.G. Checkelsky, A. Pasupathy, K.K. Gomes, A.V. Vedorov, G.F. Chen, J.L. Luo, A. Yazdani, N.P. Ong, N.L. Wang, and M.Z. Hasan.
arXiv:0808.2185.

3. NMR on LaFePO: “Spin dynamics in iron based layered superconductor
(La0.87 Ca0.13 )FePO revealed by 31 P and 139 La NMR studies,” Y. Nakai, K. Ishida, Y. Kamihara, M. Hirano, and H. Hosono.
arXiv:0808.2293.

Recommended with a Commentary by Patrick Lee, MIT | View Commentary (pdf) |

JCCM_Oct08_03

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