Small-Angle Neutron Scattering - Kfki
Small-Angle Neutron Scattering - Kfki
Small-Angle Neutron Scattering - Kfki
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Mitglied in der Helmholtz-Gemeinschaft<br />
Surface Effects. Spin canting<br />
In a particle of radius 4 nm, about 50% of atoms lie on the surface.<br />
The concept of a well-defined super-moment breaks down.<br />
In real particles, the surface region thickness is very sensitive to particle shape<br />
distortion, surface roughness, surface impurities, defects (like vacancies),<br />
compositional inhomogeneity, surface chemical bonds with environment, etc.<br />
• Krycka, K.L., Booth, R.A., Hogg, C.R., et al., PRL 104 (2010) 207203
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