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The symmetry of the spin Hamiltonian in herbertsmithite, a spin-1/2 kagom\'{e} lattice by Ofer, Oren; Keren, Amit is a scholarly article available to read on EtoBox.

What is The symmetry of the spin Hamiltonian in herbertsmithite, a spin-1/2 kagom\'{e} lattice about?

We present magnetization measurements on oriented powder of ZnCu$_{3}$(OH)$_{6}$Cl$_{2}$ along and perpendicular to the orienting field. We find a dramatic difference in the magnetization between the two directions. It is biggest at low measurement fields $H$ or high temperatures. We show that the difference at high temperatures must emerge from Ising-like exchange anisotropy. This allows us to explain muon spin rotation data at $T\to 0$ in terms of an exotic ferromagnetic ground state.

Author

Ofer, Oren; Keren, Amit

Published

2008

Language

EN