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Contents
Contents
List of Figures
Introduction
Quantum Tunneling of the Magnetization in Mn
12
and Fe
8
New Family of High Spin Molecules
Chemical Synthesis of the HSM
Magnetic Properties of HSM
Theory of Quantum Tunneling of the Magnetization (QTM)
Higher Order and Small Correction Spin Terms
Transverse Field Term
Spin-Phonon Interaction
Dynamic Nuclear Spin and Dipolar Interactions
Research Goals
The Effect of the Spin Value on QTM
The Effect of Nuclear Mass and Spin on QTM
The Effect of Dipolar Interactions on QTM
Methodology and Plan of Operation
The Muon Spin Relaxation (
SR) Technique
Experimental Setup
Data Analysis
Preliminary Results
NMR
Experimental Setup
Pulse Sequences
The
Free Induction Decay (FID) Pulse
The Spin-Echo Sequence and
T
2
Measurement
The Inversion Recovery Sequence and
T
1
Measurement
Numerical Calculations
Exact Solution for the Magnetization in a Swept Field at
T
=0
The Magnetization for a Slowly Swept Fields
Bibliography
About this document ...
zaher@physics.technion.ac.il
SR) Technique
Free Induction Decay (FID) Pulse