Magnetic pyrochlore oxides
JS Gardner, MJP Gingras, JE Greedan - Reviews of Modern Physics, 2010 - APS
Within the past 20 years or so, there has occurred an explosion of interest in the magnetic
behavior of pyrochlore oxides of the type A 2 3+ B 2 4+ O 7, where A is a rare-earth ion and …
behavior of pyrochlore oxides of the type A 2 3+ B 2 4+ O 7, where A is a rare-earth ion and …
How 'spin ice'freezes
The large degeneracy of states resulting from the geometrical frustration of competing
interactions is an essential ingredient of important problems in fields as diverse as …
interactions is an essential ingredient of important problems in fields as diverse as …
Geometrically frustrated magnetic materialsBasis of a presentation given at Materials Discussion No. 3, 26–29 September, 2000, University of Cambridge, UK.
JE Greedan - Journal of Materials Chemistry, 2001 - pubs.rsc.org
The current state of efforts to understand the phenomenon of geometric magnetic frustration
is described in the context of several key materials. All are transition metal oxides which …
is described in the context of several key materials. All are transition metal oxides which …
Fluidity of water confined to subnanometre films
U Raviv, P Laurat, J Klein - Nature, 2001 - nature.com
The fluidity of water in confined geometries is relevant to processes ranging from tribology to
protein folding, and its molecular mobility in pores and slits has been extensively studied …
protein folding, and its molecular mobility in pores and slits has been extensively studied …
Thermodynamic and single-ion properties of within the collective paramagnetic-spin liquid state of the frustrated pyrochlore antiferromagnet
MJP Gingras, BC Den Hertog, M Faucher, JS Gardner… - Physical Review B, 2000 - APS
In a recent paper [JS Gardner et al., Phys. Rev. Lett. 82, 1012 (1999)] it was found that the Tb
3+ magnetic moments in the Tb 2 Ti 2 O 7 antiferromagnetic pyrochlore lattice of corner …
3+ magnetic moments in the Tb 2 Ti 2 O 7 antiferromagnetic pyrochlore lattice of corner …
Low-temperature spin freezing in the spin ice
We report a study of the low temperature bulk magnetic properties of the spin ice compound
Dy 2 Ti 2 O 7 with particular attention to the (T< 4 K) spin freezing transition. While this …
Dy 2 Ti 2 O 7 with particular attention to the (T< 4 K) spin freezing transition. While this …
Power-law spin correlations in pyrochlore antiferromagnets
CL Henley - Physical Review B—Condensed Matter and Materials …, 2005 - APS
The ground state ensemble of the highly frustrated pyrochlore-lattice antiferromagnet can be
mapped to a coarse-grained “polarization” field satisfying a zero-divergence condition. From …
mapped to a coarse-grained “polarization” field satisfying a zero-divergence condition. From …
Geometrical frustration
AP Ramirez - Handbook of magnetic materials, 2001 - Elsevier
Publisher Summary This chapter discusses percolation theory as well as spin-glass
phenomena, the former of which is used to understand subjects as diverse as fluid flow in …
phenomena, the former of which is used to understand subjects as diverse as fluid flow in …
Neutron scattering studies of the cooperative paramagnet pyrochlore
We have carried out extensive neutron-scattering studies on the pyrochlore antiferromagnet
Tb 2 Ti 2 O 7 in both polycrystalline and single-crystal form. This insulating material belongs …
Tb 2 Ti 2 O 7 in both polycrystalline and single-crystal form. This insulating material belongs …
Continuum of quantum fluctuations in a three-dimensional S = 1 Heisenberg magnet
Conventional crystalline magnets are characterized by symmetry breaking and normal
modes of excitation called magnons, with quantized angular momentum ħ. Neutron …
modes of excitation called magnons, with quantized angular momentum ħ. Neutron …