Iron Pnictides research coming of age
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 ,†[…]