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 …

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 …

Geometrical Frustration in the Ferromagnetic Pyrochlore

MJ Harris, ST Bramwell, DF McMorrow, TH Zeiske… - Physical Review Letters, 1997 - APS
We report a detailed study of the pyrochlore Ho 2 Ti 2 O 7, in which the magnetic ions (Ho
3+) are ferromagnetically coupled with J∼ 1 K. We show that the presence of local Ising …

Properties of a classical spin liquid: the Heisenberg pyrochlore antiferromagnet

R Moessner, JT Chalker - Physical review letters, 1998 - APS
We study the low-temperature behavior of the classical Heisenberg antiferromagnet with
nearest neighbor interactions on the pyrochlore lattice. Because of geometrical frustration …

Low-temperature properties of classical geometrically frustrated antiferromagnets

R Moessner, JT Chalker - Physical Review B, 1998 - APS
We study the ground-state and low-energy properties of classical vector spin models with
nearest-neighbor antiferromagnetic interactions on a class of geometrically frustrated …

Cooperative Paramagnetism in the Geometrically Frustrated Pyrochlore Antiferromagnet

JS Gardner, SR Dunsiger, BD Gaulin, MJP Gingras… - Physical review …, 1999 - APS
Neutron scattering, muon spin relaxation, and dc susceptibility studies have been carried out
on polycrystalline Tb 2 Ti 2 O 7, a pyrochlore antiferromagnet in which the Tb 3+ moments …

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 …

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 …

Bulk magnetization of the heavy rare earth titanate pyrochlores-a series of model frustrated magnets

ST Bramwell, MN Field, MJ Harris… - Journal of Physics …, 2000 - iopscience.iop.org
We describe magnetization measurements on the heavy rare earth titanate pyrochlores R 2
Ti 2 O 7, where R= Gd, Dy, Ho, Er, Yb, in the temperature range 1.8-300 K, and the field …

Glassy Statics and Dynamics in the Chemically Ordered Pyrochlore Antiferromagnet

JS Gardner, BD Gaulin, SH Lee, C Broholm, NP Raju… - Physical review …, 1999 - APS
Static and dynamic magnetic correlations in the geometrically frustrated pyrochlore
antiferromagnet Y 2 M o 2 O 7 have been studied using neutron scattering. The material is …