Zobrazeno 1 - 10
of 43
pro vyhledávání: '"Junaidah Osman"'
Publikováno v:
Ferroelectrics. 375:115-121
We present a study on switching behaviours of ferroelectric systems of finite size based on the discrete form of Landau-Devonshire free energy expression for different conditions of polarization at the edges that relate to the values of the extrapola
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9cc7a2721a01445ff13e636117b50d91
https://doi.org/10.1080/00150190802437951
https://doi.org/10.1080/00150190802437951
Publikováno v:
The European Physical Journal B. 63:193-198
In this paper we investigate the intrinsic optical bistability (IOB) in a ferroelectric (FE) single layer using an alternative analysis. The FE material is considered to have an intensity-dependent refractive index where the third order nonlinear sus
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3767f228211f5b534a3c42e6cbf84640
https://doi.org/10.1140/epjb/e2008-00230-x
https://doi.org/10.1140/epjb/e2008-00230-x
Publikováno v:
Ferroelectrics. 355:140-144
We study the nonlinear optical bistability and multistability of a nonlinear ferroelectric (FE) Fabry-Perot (FP) interferometer assumed coated with partial dielectric mirrors on its interfaces. The FE material is considered to have an intensity-depen
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c2dc4f8f64ae5afeba05edca68b38d47
https://doi.org/10.1080/00150190701517598
https://doi.org/10.1080/00150190701517598
Publikováno v:
Ferroelectrics. 355:130-135
Landau-Devonshire free-energy expression is applied to study the dielectric hysteresis loops of a two-sublattice antiferroelectric undergoing a first order phase transition from the paraelectric phase. This expression for the antiferroelectric sublat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f85d9b7a23ac27214c89bd7aa1377930
https://doi.org/10.1080/00150190701517531
https://doi.org/10.1080/00150190701517531
Publikováno v:
Ferroelectrics. 355:216-222
A small-sized symmetric thin ferroelectric (FE) film, assumed second order and in the FE phase, of thickness l is considered. The Landau-Devonshire free energy of the film is expressed using the Tilley-Zeks model. A special case, in which the polariz
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cbf44664951cead0ed71f1383abaa586
https://doi.org/10.1080/00150190701521392
https://doi.org/10.1080/00150190701521392
Publikováno v:
Ferroelectrics. 349:93-98
We review our work on the resonant nonlinear response of bulk ferroelectric materials in the frequency region of the optic mode, in particular our attention is focused on the derivation and calculation of the nonlinear optical (NLO) susceptibilities
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ccb92c114cfd567adac15cc42ed4f677
https://doi.org/10.1080/00150190701260876
https://doi.org/10.1080/00150190701260876
Numerical Study of Structural Stability of the SmC-Alpha Phase under the Influence of Electric Field
Publikováno v:
Ferroelectrics. 344:93-101
We consider various bulk liquid crystal systems in the SmCα phase, each assumed to consist of N layers and having different helical pitch P. Using the phenomenological Landau free-energy model in discrete form, the total free energy of each system i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b7e03e10065b527d3bff3c70be376639
https://doi.org/10.1080/00150190600966896
https://doi.org/10.1080/00150190600966896
Publikováno v:
The European Physical Journal B. 52:143-150
In the presence of a surface the Landau-Devonshire equations of ferroelectricity must be extended to include a boundary condition. For a ferroelectric with a second-order transition in the case when the polarization p(z) increases at the surface, it
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e5154771b3f6ed3fb6a6fb18300b0e8f
https://doi.org/10.1140/epjb/e2006-00271-1
https://doi.org/10.1140/epjb/e2006-00271-1
Publikováno v:
American Journal of Applied Sciences. 2:1073-1077
This study gives a detailed account of calculation of the bulk ferroelectric (FE) oscillatory dynamical system switching to first and second-orde r phase transition, respectively. All the formalism is delineated in the framework of Landau free-energy
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5539e74f093336516b8b448031e0d1d7
https://doi.org/10.3844/ajassp.2005.1073.1077
https://doi.org/10.3844/ajassp.2005.1073.1077
Publikováno v:
Computational Materials Science. 30:468-473
We derive an expression for transmittivity (TSHG) of second harmonic generation (SHG) signals from a ferroelectric (FE) film. Intensities of up and down fields in the medium are investigated in relation to TSHG. The derivations are made based on unde
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3ca042178e440d5eaee7464e8792d7bc
https://doi.org/10.1016/j.commatsci.2004.03.016
https://doi.org/10.1016/j.commatsci.2004.03.016