Evolutions of acoustic and optical mode resonances in the spin reorientation Permalloy film

2019 ◽  
Vol 126 (21) ◽  
pp. 213902
Author(s):  
Yawen Song ◽  
Derang Cao ◽  
Honglei Du ◽  
Meihong Liu ◽  
Shuai Du ◽  
...  
Keyword(s):  
Spin Reorientation ◽  
Permalloy Film ◽  
Optical Mode

OBSERVATION OF PRETRANSITIONAL EFFECTS ON THE SHAPE OF THE E2 (17 cm-1 ) OPTICAL MODE IN β-Ag1 BY RAMAN SPECTROSCOPY

1981 ◽  
Vol 42 (C6) ◽  
pp. C6-776-C6-778
Author(s):  
E. Cazzanelli ◽  
A. Fontana ◽  
G. Mariotto ◽  
F. Rocca ◽  
M. P. Fontana
Keyword(s):  
Raman Spectroscopy ◽  
Optical Mode

SPIN REORIENTATION PHENOMENA IN SUBSTITUTED Pr2 (Co, Fe)17 INTERMETALLICS

1988 ◽  
Vol 49 (C8) ◽  
pp. C8-507-C8-508
Author(s):  
H. Y. Chen ◽  
B. M. Ma ◽  
S. G. Sankar ◽  
W. E. Wallace
Keyword(s):  
Spin Reorientation

Magnetoacoustic surface waves in magnetic crystals near spin-reorientation phase transitions

1997 ◽  
Vol 167 (7) ◽  
pp. 735-750 ◽  
Author(s):  
Yurii V. Gulyaev ◽  
Igor E. Dikshtein ◽  
Vladimir G. Shavrov
Keyword(s):  
Phase Transitions ◽  
Surface Waves ◽  
Spin Reorientation

scholarly journals Electro-Optic Control of Lithium Niobate Bulk Whispering Gallery Resonators: Analysis of the Distribution of Externally Applied Electric Fields

Crystals ◽  
2021 ◽  
Vol 11 (3) ◽  
pp. 298
Author(s):  
Yannick Minet ◽  
Hans Zappe ◽  
Ingo Breunig ◽  
Karsten Buse
Keyword(s):  
Lithium Niobate ◽  
Electric Field ◽  
Electric Fields ◽  
Frequency Comb ◽  
Parametric Oscillation ◽  
Pockels Effect ◽  
Optical Mode ◽  
Cylindrical Resonator ◽  
Whispering Gallery ◽  
Electro Optic

Whispering gallery resonators made out of lithium niobate allow for optical parametric oscillation and frequency comb generation employing the outstanding second-order nonlinear-optical properties of this material. An important knob to tune and control these processes is, e.g., the linear electro-optic effect, the Pockels effect via externally applied electric fields. Due to the shape of the resonators a precise prediction of the electric field strength that affects the optical mode is non-trivial. Here, we study the average strength of the electric field in z-direction in the region of the optical mode for different configurations and geometries of lithium niobate whispering gallery resonators with the help of the finite element method. We find that in some configurations almost 100% is present in the cavity compared to the ideal case of a cylindrical resonator. Even in the case of a few-mode resonator with a very thin rim we find a strength of 90%. Our results give useful design considerations for future arrangements that may benefit from the strong electro-optic effect in bulk whispering gallery resonators made out of lithium niobate.

The spin reorientation and improvement of magnetocaloric effect in HoCr1-Ga O3 (0 ≤ x ≤ 0.5)

2021 ◽  
pp. 160863
Author(s):  
Hongguang Zhang ◽  
Hu Qian ◽  
Liang Xie ◽  
Yanyan Guo ◽  
Yuzhuang Liu ◽  
...  
Keyword(s):  
Magnetocaloric Effect ◽  
Spin Reorientation

scholarly journals Spin reorientation transition in ultrathin Co films on the vicinal surface Au(788)

AIP Advances ◽  
2021 ◽  
Vol 11 (4) ◽  
pp. 045009
Author(s):  
R. J. G. Rosa ◽  
R. L. Souza ◽  
G. F. M. Gomes ◽  
R. M. Paniago ◽  
M. D. Martins
Keyword(s):  
Spin Reorientation ◽  
Vicinal Surface ◽  
Spin Reorientation Transition
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