INflUENCE OF SHAPE EffECTS ON THE SPECTRUM OF SPIN WAVES IN fiNITE ARRAY OF FERROMAGNETIC PILLARS

2019 ◽  
Vol 110 (9-10(11)) ◽  
pp. 628-629
Author(s):  
S. A. OSOKIN ◽  
A. R. SAfiN ◽  
S. A. NIKITOV
Keyword(s):  
Spin Waves ◽  
Shape Effects

Influence of Shape Effects on the Spectrum of Spin Waves in a Finite Array of Ferromagnetic Pillars

JETP Letters ◽  
2019 ◽  
Vol 110 (9) ◽  
pp. 629-634
Author(s):  
S. A. Osokin ◽  
A. R. Safin ◽  
S. A. Nikitov
Keyword(s):  
Spin Waves ◽  
Shape Effects

Multislice calculations for quasi-periodic and non-periodic objects

1990 ◽  
Vol 48 (4) ◽  
pp. 138-139
Author(s):  
R. Herrera ◽  
A. Gómez
Keyword(s):  
Electron Diffraction ◽  
Computer Simulations ◽  
Periodic Table ◽  
Amorphous Materials ◽  
Space Group ◽  
Essential Step ◽  
Shape Effects ◽  
Atomic Scattering ◽  
Diffraction Patterns ◽  
Periodic Continuation

Computer simulations of electron diffraction patterns and images are an essential step in the process of structure and/or defect elucidation. So far most programs are designed to deal specifically with crystals, requiring frequently the space group as imput parameter. In such programs the deviations from perfect periodicity are dealt with by means of “periodic continuation”.However, for many applications involving amorphous materials, quasiperiodic materials or simply crystals with defects (including finite shape effects) it is convenient to have an algorithm capable of handling non-periodicity. Our program “HeGo” is an implementation of the well known multislice equations in which no periodicity assumption is made whatsoever. The salient features of our implementation are: 1) We made Gaussian fits to the atomic scattering factors for electrons covering the whole periodic table and the ranges [0-2]Å−1 and [2-6]Å−1.

Spin waves

1972 ◽  
Vol 14 (7) ◽  
pp. 233-245
Author(s):  
B. Hennion ◽  
F. Moussa
Keyword(s):  
Spin Waves

ENERGY RENORMALISATION AND DAMPING OF SURFACE SPIN WAVES IN HEISENBERG FERROMAGNETS

1984 ◽  
Vol 45 (C5) ◽  
pp. C5-329-C5-333 ◽  
Author(s):  
D. E. Kontos ◽  
M. G. Cottam
Keyword(s):  
Spin Waves ◽  
Surface Spin

SYMMETRY OF SPIN WAVES AND HALDANE GAP IN CsNiCl3

1988 ◽  
Vol 49 (C8) ◽  
pp. C8-1431-C8-1432
Author(s):  
Z. Tun ◽  
W. J. L. Buyers ◽  
R. L. Armstrong ◽  
E. D. Hallman ◽  
D. P. Arovas
Keyword(s):  
Spin Waves ◽  
Haldane Gap
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