TY - JOUR
T1 - Electronic structure of perovskite related La2CuSnO6
AU - Novikov, D. L.
AU - Freeman, A. J.
AU - Poeppelmeier, K. R.
AU - Zhukov, V. P.
N1 - Funding Information:
We thank M. Methfessel for an early version of his FLMTO code. This work was supported by the National Science Foundation (through the North-western University Science and Technology Center for Superconductivity, Grant No. DMR 91-20000, and by a grant of computer time at the Pittsburgh Supercomputing Center supported by its Division of Advanced Scientific Computing).
PY - 1995/10/1
Y1 - 1995/10/1
N2 - The band structure of La2CuSnO6 in both its real and idealized crystal structure was determined using the local density full-potential linearized muffin-tin orbital (LMTO) method. Unlike the case for all other high-Tc copper-based materials, the Fermi energy for the undoped crystal is located exactly on the van Hove saddle-point singularity, which may be the main reason for the lattice distortions observed in the real material. We suggest that a possible way, if any, to drive this compound into the superconducting state is to be achieved via electron doping. For several reasons, we do not expect a high Tc value.
AB - The band structure of La2CuSnO6 in both its real and idealized crystal structure was determined using the local density full-potential linearized muffin-tin orbital (LMTO) method. Unlike the case for all other high-Tc copper-based materials, the Fermi energy for the undoped crystal is located exactly on the van Hove saddle-point singularity, which may be the main reason for the lattice distortions observed in the real material. We suggest that a possible way, if any, to drive this compound into the superconducting state is to be achieved via electron doping. For several reasons, we do not expect a high Tc value.
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U2 - 10.1016/0921-4534(95)00337-1
DO - 10.1016/0921-4534(95)00337-1
M3 - Article
AN - SCOPUS:0029394335
SN - 0921-4534
VL - 252
SP - 7
EP - 12
JO - Physica C: Superconductivity and its applications
JF - Physica C: Superconductivity and its applications
IS - 1-2
ER -