Resonant quantum tunneling of spin chains in a three-dimensionnal magnetically ordered state

Simple item page
dc.creatorLhotel, E.
dc.creatorKhatsko, E. N.
dc.creatorPaulsen, C.
dc.date2005-12-02
dc.date2006-08-30
dc.date.accessioned2026-07-07T06:53:05Z
dc.date.available2026-07-07T06:53:05Z
dc.descriptionWe show that resonant quantum tunneling of the magnetization, until now observed only in zero-dimensional (0D) cluster systems, occurs in the molecular Ising spin chain $[(CH_3)_3NH]CoCl_3\cdot 2H_2O$, which orders as a canted 3D-antiferromagnet at $T_C=4.15 K$. We present three features that prove unambigously the existence of resonant quantum tunneling below $0.3 K$ ($T_C/12$): Temperature independent relaxation of the magnetization, speeding up of the relaxation at a well defined field ($1025 Oe$) and increase of the magnetization each time this field is crossed during a succession of minor hysteresis loops. A mechanism is proposed to describe the behavior based on a simple model of 0D domain wall nucleation.
dc.description5 pages, 6 figures revised version
dc.identifierhttps://arxiv.org/abs/cond-mat/0512052
dc.identifierhttp://arxiv.org/abs/cond-mat/0512052
dc.identifierPhys. Rev. B 74, 020402 (R) (2006)
dc.identifierdoi:10.1103/PhysRevB.74.020402
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/105468
dc.subjectMaterials Science
dc.titleResonant quantum tunneling of spin chains in a three-dimensionnal magnetically ordered state
dc.typetext

Files

Collections

arXiv