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AFMZF¶
Description¶
ZF oscillation for aligned Anti-ferromagnetic magnetic sample with Gaussian dephasing
\[A(t)  = \frac{A_0}{2}((1-a_1)+a_1\cos(\omega_1t+\phi))+(1-a_2)+a_2\cos(\omega_2t+\phi))\]
where,
\[a_1 =\sin^2\theta ,\]
\[\omega = 2\pi\nu ,\]
\(\nu\) is the ZF frequency (MHz),
\(\sigma\) is the Gaussian relaxation for oscillatory component,
\(\theta\) is the angle of internal field w.r.t. to applied field,
and \(\phi\) is the phase.
 
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Properties (fitting parameters)¶
| Name | Default | Description | 
|---|---|---|
| A0 | 0.2 | Amplitude | 
| Freq | 1.0 | ZF Frequency (MHz) | 
| Angle | 50.0 | Angle of internal field w.r.t. to applied field (degrees) | 
| Sigma | 0.2 | Gaussian relaxation for oscillatory component | 
| Phi | 0.0 | Phase (rad) | 
References¶
[1] F.L. Pratt, Physica B 289-290, 710 (2000).
Categories: FitFunctions | Muon\MuonSpecific
Source¶
Python: AFMZF.py