Regensburg 2013 – scientific programme
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TT: Fachverband Tiefe Temperaturen
TT 36: Superconductivity: Fe-based Superconductors - Fe(Se,Te), LiFeAs, and other Materials
TT 36.11: Talk
Wednesday, March 13, 2013, 12:15–12:30, H18
The electronic phase diagram for Na1−δFeAs with partial substitution of Co, Rh, Ni, Ru, Pd, Cr and Mn — •Robert Beck1, Maria Roslova2, Igor Morozov2, Saicharan Aswartham1, Christian G. F. Blum1, Mahmoud Abdel-Hafiez1, Dirk Bombor1, Frank Steckel1, Jürgen Eckert1, Anja U. B. Wolter-Giraud1, Christian Hess1, Sabine Wurmehl1, and Bernd Büchner1 — 1Leibniz Institute for Solid State and Materials Research, D-01171 Dresden, Germany — 2Moscow State University, Moscow, 119991 Russia
Single-crystals of Na1−δFeAs with partial substitution of Fe by Co, Rh, Ni, Ru, Pd, Cr and Mn were grown by a self-flux technique. A systematic investigation of the structure by powder X-ray diffraction, temperature dependence of magnetic susceptibility, electronic transport and specific heat were carried out. We map out the corresponding electronic phase diagram for the Co substituted Na1−δFeAs, compared with Literature [1, 2] and map out the corresponding electronic phase diagram for the Rh substituted Na1−δFeAs.
[1] Parker, D. R. et al., Chem. Commun. 16, 2189 (2009)
Wang, A.F. et al., Phys. Rev. B 85, 224521 (2012)