Fingerprints of spin-orbital physics in cubic Mott insulators: Magnetic exchange interactions and optical spectral weights
The temperature dependence and anisotropy of optical spectral weights associated with
different multiplet transitions is determined by the spin and orbital correlations. To provide a …
different multiplet transitions is determined by the spin and orbital correlations. To provide a …
Magnetic and Orbital Ordering in the Spinel
Neutron inelastic scattering and diffraction techniques have been used to study the MnV 2 O
4 spinel system. Our measurements show the existence of two transitions to long-range …
4 spinel system. Our measurements show the existence of two transitions to long-range …
Orbital Order in
In view of recent controversy regarding the orbital order in the frustrated spinel ZnV 2 O 4,
we analyze the orbital and magnetic ground state of this system within an ab initio density …
we analyze the orbital and magnetic ground state of this system within an ab initio density …
Frustration and entanglement in the spin-orbital model on a triangular lattice: Valence-bond and generalized liquid states
We consider the spin-orbital model for a magnetic system with singly occupied but triply
degenerate t 2 g orbitals coupled into a planar, triangular lattice, as would be exemplified by …
degenerate t 2 g orbitals coupled into a planar, triangular lattice, as would be exemplified by …
Homopolar Bond Formation in Close to a Metal-Insulator Transition
Electronic structure calculations for spinel vanadate ZnV 2 O 4 show that partial electronic
delocalization in this system leads to a structural instability, with the formation of VV dimers …
delocalization in this system leads to a structural instability, with the formation of VV dimers …
Investigation of thermoelectric properties of ZnV2O4 compound at high temperatures
In the present work, we report the experimental thermopower (α) data for ZnV 2 O 4 in the
high temperature range 300–600 K. The values of α are found to be∼ 184 and∼ 126 μV K …
high temperature range 300–600 K. The values of α are found to be∼ 184 and∼ 126 μV K …
Spin-orbital correlations from complex orbital order in
MgV 2 O 4 is a spinel based on magnetic V 3+ ions, which host both spin (S= 1) and orbital (l
eff= 1) moments. Owing to the underlying pyrochlore coordination of the magnetic sites, the …
eff= 1) moments. Owing to the underlying pyrochlore coordination of the magnetic sites, the …
Classical Dimers and Dimerized Superstructure in an<? format?> Orbitally Degenerate Honeycomb Antiferromagnet
We discuss the ground state of the spin-orbital model for spin-one ions with partially filled t 2
g levels on a honeycomb lattice. We find that the orbital degrees of freedom induce a …
g levels on a honeycomb lattice. We find that the orbital degrees of freedom induce a …
Quantum model on pyrochlore lattice: Orbital ordering in
We present an analytical model of orbital ordering in vanadium spinel MnV 2 O 4. The model
is based on recent first-principles calculation indicating a strong trigonal distortion at the …
is based on recent first-principles calculation indicating a strong trigonal distortion at the …
Strong competition between orbital ordering and itinerancy in a frustrated spinel vanadate
The crossover from localized to itinerant electron regimes in the geometrically frustrated
spinel system Mn 1− x Co x V 2 O 4 is explored by neutron-scattering measurements, first …
spinel system Mn 1− x Co x V 2 O 4 is explored by neutron-scattering measurements, first …