烦人
发表于 2025-3-25 04:31:32
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和谐
发表于 2025-3-25 09:29:53
Charge and Orbital Ordering of Manganites Observed by Resonant X-Ray Scattering,
半导体
发表于 2025-3-25 13:26:03
Book 20041st editioner physicists that although the problem of high temperature superconductivity is a difficult one to solve, a quantitative understanding of CMR phenomena might be well within reach. This book is intended to be an account of the latest developments in the phys ics of CMR manganites. When I planned th
Commemorate
发表于 2025-3-25 15:58:32
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Congregate
发表于 2025-3-25 21:30:11
M. Hackel,H. Kosina,S. Selberherrwork has been able to uncover the complex short range ordering of charges and orbitals at these compositions that show both longitudinal local distortions and/or co-existence with transverse distortions typically found at higher dopings. For Mn. -rich compositions . >l/2), ground states tend towards
勉强
发表于 2025-3-26 01:56:45
Modeling Nano-Structure Devices,he same q-dependent intensity, ... 0.125 is a limit case where the (CAF) state and the diffuse scattering disappear. In the compounds with .. = 0.20 and ... 0.125, an intriguing insulating and ferromagnetic (FI) phase occurs at low temperature. The superstructure Bragg peaks at .. = (0, 0, .)., typi
vasospasm
发表于 2025-3-26 07:12:18
José López-Serrano,Andrzej J. Strojwasistortions (e.g. Jahn-Teller distortions) as well as with the spin degrees of freedom (double exchange). An other important factor consistent with this data appears to be nanoscale electronic phase separation.
小虫
发表于 2025-3-26 08:29:27
D. Schipanski,Z. Gergintschew,J. Kositzaamagnetic state commonly found in manganites at high-temperatures. In this state, nanometer-scale structural correlations associated with nanoscale charge/orbital ordered regions are observed. Experimental investigation of numerous manganite systems indicates that these correlations are generic in o
paragon
发表于 2025-3-26 13:53:15
https://doi.org/10.1007/978-3-7091-6619-2d A. Moreo, Phys. Rep. ., 1 (2001)]. There, a comprehensive analysis of the experimental literature can be found. In real manganites, the tendencies toward inhomogeneous states are notorious in CMR regimes, in excellent agreement with the theoretical description outlined here.
Petechiae
发表于 2025-3-26 19:36:09
https://doi.org/10.1007/978-94-011-3216-9fferent . and . states, and their relative energies and occupation as influenced by doping x, temperature ., local Coulomb repulsion . etc., underlies the unique effects seen in manganites. We present results from strong correlation calculations using the dynamical mean-field theory which accord wit