Treatise on Materials Science and TechnologyHerbert Herman |
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Page 184
... modes . In the low concentration limit the coherent inelastic neutron scattering cross section is given by ( Elliot and Maradudin , 1965 ) d20 do dw k1 = coh , 1 - ph loc . mode with the definition ko 1 ̧hw / kвT — 1 CD WL 2MHB ( WL ) + ...
... modes . In the low concentration limit the coherent inelastic neutron scattering cross section is given by ( Elliot and Maradudin , 1965 ) d20 do dw k1 = coh , 1 - ph loc . mode with the definition ko 1 ̧hw / kвT — 1 CD WL 2MHB ( WL ) + ...
Page 192
... mode has its critical point at q O as long as A and B are different . If A is equivalent to B , then the low temperature phase has a unit cell twice as large as the high temperature phase and therefore - as easily can be seen - the soft ...
... mode has its critical point at q O as long as A and B are different . If A is equivalent to B , then the low temperature phase has a unit cell twice as large as the high temperature phase and therefore - as easily can be seen - the soft ...
Page 193
... mode is at point M of the Brillouin zone ; if the rotation is just opposite the critical point is at R. Mainly R points have been observed . The 186 ° K phase transformation of KMnF3 is of M and R type ( Shirane , 1971 ; Gesi et al ...
... mode is at point M of the Brillouin zone ; if the rotation is just opposite the critical point is at R. Mainly R points have been observed . The 186 ° K phase transformation of KMnF3 is of M and R type ( Shirane , 1971 ; Gesi et al ...
Contents
DiffusionModified Interfaces | 3 |
Introduction | 4 |
Thin Films | 15 |
Copyright | |
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alloy anisotropy Appl approximation atom average axis b₁ beam Bragg reflections c-sites calculated cations coefficients coherent concentration configuration constant Cooper pairs curve Debye-Waller factor density dependence diffuse scattering discussed disorder displacement distortion elastic electron energy epitaxial equation experimental factor ferrimagnetic field film flux lines Fourier function garnet structure garnets GdIG Geller high flux reactor IAEA impurity incoherent scattering interaction interface interstitial iron garnets k₁ lattice parameter Lett magnetic measured Merwe misfit misfit dislocations mode monochromator neutron scattering obtained one-phonon overgrowth phase phonon Phys plane potential Proc properties rare earth rare earth ions reciprocal lattice resolution sample scattering cross section shown in Fig single crystal small angle scattering solid spin strain stress sublattice substrate superconducting surface symmetry temperature thermal thickness transition metal values vector wavelength X-ray X-ray scattering YGaG ΦΩ