Effect of a transverse magnetic field on resonant magnetization tunneling in high-spin molecules

Jonathan R. Friedman; M. P. Sarachik; J. M. Hemandez; X. X. Zhang; J. Tejada; E. Molins; R. Ziolo

doi:10.1063/1.364912

Effect of a transverse magnetic field on resonant magnetization tunneling in high-spin molecules

Jonathan R. Friedman^*, M. P. Sarachik, J. M. Hemandez, X. X. Zhang, J. Tejada, E. Molins, R. Ziolo

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

51 Scopus citations

Abstract

The recent observation of steps at regular intervals of magnetic field in the hysteresis loops of oriented crystals of the spin-10 molecular magnet Mn₁₂O₁₂(CH₃COO)₁₆(H ₂O)₄ has been attributed to resonant tunneling between spin states. Here, we investigate the effect on the relaxation rate of applying the magnetic field at an angle with respect to the easy axis of magnetization. We find that the position of the resonances is independent of the transverse component of the field, and is determined solely by the longitudinal component. On the other hand, a transverse field significantly increases the relaxation rate, both on and off resonance. We discuss classical and quantummechanical interpretations of this effect,

Original language	English (US)
Pages (from-to)	3978-3980
Number of pages	3
Journal	Journal of Applied Physics
Volume	81
Issue number	8 PART 2A
DOIs	https://doi.org/10.1063/1.364912
State	Published - Apr 15 1997
Externally published	Yes

ASJC Scopus subject areas

General Physics and Astronomy

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@article{e29fe49638d141d7af6195576fa0d3f0,

title = "Effect of a transverse magnetic field on resonant magnetization tunneling in high-spin molecules",

abstract = "The recent observation of steps at regular intervals of magnetic field in the hysteresis loops of oriented crystals of the spin-10 molecular magnet Mn12O12(CH3COO)16(H 2O)4 has been attributed to resonant tunneling between spin states. Here, we investigate the effect on the relaxation rate of applying the magnetic field at an angle with respect to the easy axis of magnetization. We find that the position of the resonances is independent of the transverse component of the field, and is determined solely by the longitudinal component. On the other hand, a transverse field significantly increases the relaxation rate, both on and off resonance. We discuss classical and quantummechanical interpretations of this effect,",

author = "Friedman, {Jonathan R.} and Sarachik, {M. P.} and Hemandez, {J. M.} and Zhang, {X. X.} and J. Tejada and E. Molins and R. Ziolo",

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language = "English (US)",

volume = "81",

pages = "3978--3980",

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T1 - Effect of a transverse magnetic field on resonant magnetization tunneling in high-spin molecules

AU - Friedman, Jonathan R.

AU - Sarachik, M. P.

AU - Hemandez, J. M.

AU - Zhang, X. X.

AU - Tejada, J.

AU - Molins, E.

AU - Ziolo, R.

PY - 1997/4/15

Y1 - 1997/4/15

N2 - The recent observation of steps at regular intervals of magnetic field in the hysteresis loops of oriented crystals of the spin-10 molecular magnet Mn12O12(CH3COO)16(H 2O)4 has been attributed to resonant tunneling between spin states. Here, we investigate the effect on the relaxation rate of applying the magnetic field at an angle with respect to the easy axis of magnetization. We find that the position of the resonances is independent of the transverse component of the field, and is determined solely by the longitudinal component. On the other hand, a transverse field significantly increases the relaxation rate, both on and off resonance. We discuss classical and quantummechanical interpretations of this effect,

AB - The recent observation of steps at regular intervals of magnetic field in the hysteresis loops of oriented crystals of the spin-10 molecular magnet Mn12O12(CH3COO)16(H 2O)4 has been attributed to resonant tunneling between spin states. Here, we investigate the effect on the relaxation rate of applying the magnetic field at an angle with respect to the easy axis of magnetization. We find that the position of the resonances is independent of the transverse component of the field, and is determined solely by the longitudinal component. On the other hand, a transverse field significantly increases the relaxation rate, both on and off resonance. We discuss classical and quantummechanical interpretations of this effect,

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DO - 10.1063/1.364912

M3 - Article

AN - SCOPUS:0000006874

SN - 0021-8979

VL - 81

SP - 3978

EP - 3980

JO - Journal of Applied Physics

JF - Journal of Applied Physics

IS - 8 PART 2A

ER -

Effect of a transverse magnetic field on resonant magnetization tunneling in high-spin molecules

Abstract

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