Spin dynamics in nanomagnets: Lecture 3: Quantum Spin Dynamics in Molecular Nanomagnets I. Introduction - Quantum Tunneling of Magnetization -... » More

Spin dynamics in nanomagnets:

Lecture 3: Quantum Spin Dynamics in Molecular Nanomagnets

I. Introduction

- Quantum Tunneling of Magnetization

- Initial Discoveries

- Single molecule magnets

II. Magnetic Interactions in SMMs

- Energy Scales, Spin Hamiltonians

- Mn12-acetate

III. Resonant Quantum Tunneling of Magnetization

- Thermally activated, thermally assisted and pure

- Crossover between regimes

- Quantum Phase Interference

IV. Experimental Techniques

- Micromagnetometry

- SQUIDs and Nano-SQUIDs

- EPR

Andrew Kent, New York University

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