Role of cooperative lattice distortion in the charge, orbital, and spin ordering in doped manganites
RY Gu, CS Ting - Physical Review B, 2002 - APS
The role of lattice distortion in the charge, orbital, and spin ordering in half-doped
manganites has been investigated. For fixed magnetic ordering, we show that the …
manganites has been investigated. For fixed magnetic ordering, we show that the …
Magnetic and orbital ordering in electron-doped manganites
SM Dunaevsky, VV Deriglazov - Physical Review B, 2003 - APS
The total energies for various magnetic structures of R 1− x A x MnO 3 (R= La, Nd, Pr, Sm,
A= Ca, Ba, Sr) are evaluated using energy bands E (k) accounting for the orbital degeneracy …
A= Ca, Ba, Sr) are evaluated using energy bands E (k) accounting for the orbital degeneracy …
Charge and orbital order in half-doped manganites
We investigate the electronic properties and microscopic reasons of stability of the
coexisting charge, magnetic and orbital ordering in half-doped manganites, using a model …
coexisting charge, magnetic and orbital ordering in half-doped manganites, using a model …
Mean-field approach to charge, orbital, and spin ordering in manganites
S Yarlagadda, CS Ting - International Journal of Modern Physics B, 2001 - World Scientific
We present a mean-field theory of charge, orbital, and spin ordering in manganites at 50%
and 0% dopings by considering Jahn–Teller interaction, nearest-neighbor repulsion, and no …
and 0% dopings by considering Jahn–Teller interaction, nearest-neighbor repulsion, and no …
Jahn-Teller distortion induced charge ordering in the CE phase of manganites
The charge ordering of CE phase in half-doped manganites is studied, based on an
argument that the charge ordering is caused by the Jahn-Teller distortions of MnO 6 …
argument that the charge ordering is caused by the Jahn-Teller distortions of MnO 6 …
Phase separation and charge ordering in doped manganite perovskites: Projection perturbation and mean-field approaches
A theory is developed to explain various types of electronic collective behaviors in doped
manganites R 1− x X x MnO 3 (R= La, Pr, Nd, etc. and X= Ca, Sr, Ba, etc.). Starting from a …
manganites R 1− x X x MnO 3 (R= La, Pr, Nd, etc. and X= Ca, Sr, Ba, etc.). Starting from a …
Phase diagram of half-doped manganites
Z Shu, J Dong, DY Xing - Physical Review B, 2001 - APS
The phase diagram of half-doped manganites which may consist of experimentally observed
ferromagnetic (FM), A−, C−, and charge-exchange (CE)-type antiferromagnetic (AF) states is …
ferromagnetic (FM), A−, C−, and charge-exchange (CE)-type antiferromagnetic (AF) states is …
Origin of charge-orbital order in the half-doped manganites
Z Popović, S Satpathy - Physical Review Letters, 2002 - APS
The microscopic origin of the charge and orbital order in the half-doped manganites is
examined from ab initio density-functional calculations and exact diagonalization studies. It …
examined from ab initio density-functional calculations and exact diagonalization studies. It …
Orbital degree of freedom and phase separation in ferromagnetic manganites at finite temperatures
The spin and orbital phase diagram for perovskite manganites is investigated as a function
of temperature and hole concentration. The superexchange and double exchange …
of temperature and hole concentration. The superexchange and double exchange …
Reconsideration of the lattice effect on the charge-ordering transition of doped manganites
A Machida, Y Moritomo, K Ohoyama, S Okamoto… - Physical Review B, 2000 - APS
On the basis of the neutron structural analysis, lattice effect on the charge/orbital-ordering
transition of doped manganites has been reconsidered. We have investigated the stability of …
transition of doped manganites has been reconsidered. We have investigated the stability of …