Zobrazeno 1 - 10
of 950
pro vyhledávání: '"Alexe M"'
Autor:
Seddon, S. D., Haines, C. R. S., Hase, T. P. A., Lees, M. R., Eng, L. M., Alexe, M., Carpenter, M. A.
Pyrrhotite, Fe$_7$S$_8$, provides an example of exceptionally strong magnetoelastic coupling through pinning of ferromagnetic domains by ferroelastic twins. Using direct imaging of both magnetic and ferroelastic domains by magnetic force microscopy (
Externí odkaz:
http://arxiv.org/abs/2403.18747
Autor:
Seddon, S. D., Cooper, A., Fricke, T., Ebbinghaus, S. G., Walker, M., Hase, T. P. A., Blackmore, W. J. A., Alexe, M.
Magnetite has long been investigated across many disciplines due to the interplay between its ferroic order parameters, namely its ferrimagnetism, ferroelasticity and ferroelectricty. Despite this, the experimental difficulty in measuring low tempera
Externí odkaz:
http://arxiv.org/abs/2310.15891
Autor:
MIHALCA IZABELA AMALIA, ALEXE M.
Publikováno v:
Aerul şi Apa: Componente ale Mediului, Vol 2014, Pp 423-429 (2014)
The Land of Dorna represents a region with a climate specific to intermountain depressions and mountain areas by its geographic position, the characteristics of active subjacent surfaces and of dominant air-masses,. Climatic factors and phenomena pla
Externí odkaz:
https://doaj.org/article/3583ca7cf0244a0a95a5cf366ab40bb6
Publikováno v:
Lithuanian Journal of Physics. 2024, Vol. 64 Issue 2, p101-106. 6p.
The electric field-dependence of structural dynamics in a tetragonal ferroelectric lead zirconate titanate thin film is investigated under sub-coercive and above-coercive fields using time-resolved X-ray diffraction. During the application of an exte
Externí odkaz:
http://arxiv.org/abs/1812.01740
Simultaneous dynamic characterization of charge and structural motion during ferroelectric switching
Autor:
Kwamen, C., Roessle, M., Reinhardt, M., Leitenberger, W., Zamponi, F., Alexe, M., Bargheer, M.
Publikováno v:
Phys. Rev. B 96, 134105 (2017)
Monitoring structural changes in ferroelectric thin films during electric field-induced polarization switching is important for a full microscopic understanding of the coupled motion of charges, atoms and domain walls. We combine standard ferroelectr
Externí odkaz:
http://arxiv.org/abs/1706.01082
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Autor:
Jarrier, R., Marti, X., Herrero-Albillos, J., Ferrer, P., Haumont, R., Gemeiner, P., Geneste, G., Berthet, P., Schülli, T., Cvec, P., Blinc, R., Wong, Stanislaus S., Park, Tae-Jin, Alexe, M., Carpenter, M. A., Scott, J. F., Catalan, G., Dkhil, B.
Publikováno v:
Phys. Rev. B 85, 184104 (2012)
We combine a wide variety of experimental techniques to analyze two heretofore mysterious phase transitions in multiferroic bismuth ferrite at low temperature. Raman spectroscopy, resonant ultrasound spectroscopy, EPR, X-ray lattice constant measurem
Externí odkaz:
http://arxiv.org/abs/1202.3387
Autor:
Marti, X., Ferrer, P., Herrero-Albillos, J., Narvaez, J., Holy, V., Barrett, N., Alexe, M., Catalan, G.
A surface layer ("skin") that is functionally and structurally different from the bulk was found in single crystals of BiFeO3. Impedance analysis indicates that a previously reported anomaly at T* ~ 275 \pm 5 ^/circC corresponds to a phase transition
Externí odkaz:
http://arxiv.org/abs/1012.2306
Autor:
Seddon, S. D., Cooper, A., Fricke, T., Ebbinghaus, S. G., Walker, M., Hase, T. P. A., Blackmore, W. J. A., Alexe, M.
Publikováno v:
Applied Physics Letters; 1/29/2024, Vol. 124 Issue 5, p1-6, 6p