Ferroelectric Relaxors and Diffuse Phase Transitions
Theories and Methods of First Order Ferroelectric Phase Transitions
... of ferroelectric phase transition of first order are ...induced phase transition are ...order phase transition is ...order phase transition is ...
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Electrocaloric effect in ferroelectric relaxors: The road to solid-state cooling
... One of the aims of this research on electrocaloric materials was to tune the phase transition closer towards room temperature. The temperature of the relaxor-type transition of SrBi 2 (Nb 0.2 Ta 0.8 ) 2 O 9 was ...
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Theory of phase transitions in ferroelectric superlattices / Lim Kok Geng
... The point group of a crystal is the group of macroscopic symmetry elements that its struc- ture possesses. This principle is the basis for the division of crystals into 32 point groups. The crystalline lattices can be ...
157
Prospects and applications near ferroelectric quantum phase transitions : a key issues review
... the ferroelectric transition temperatures to pressure are remarkable! As an example, in order to cover 300 K changes in magnetic T c ’s, we must usually apply hundreds of kilobars, whereas in ferroelectrics the ...
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Maximum Eigen Value Analysis Study to Detect Phase Transitions of Ferroelectric Liquid Crystals
... Maximum Eigen Value Analysis Study to Detect Phase Transitions of Ferroelectric Liquid Crystals S. Sreehari Sastry 1, *, K. Lakshmi Sarada 2 , K. Mallika 2 , L. Tanuj Kumar 2 and Ha Sie Tiong 3 ...
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Quantum critical points in ferroelectric relaxors : stuffed tungsten bronze K3Li2Ta5O15 and lead pyrochlore (Pb2Nb2O7)
... By extrapolation of Vogel-Fulcher fits, the vertical asymptote is the freezing temperature T f where an extrapolated glassy structural transition may occur. The horizontal asymptote is the fundamental attempt frequency ...
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Crystal structure, phase transitions and photoferroelectric properties of KNbO3-based lead-free ferroelectric ceramics: A brief review
... the ferroelectric and piezoelectric properties of KN-based ceramics are now well established, the understanding of chemical doping on the bandgap of KN- based ceramics is still in its ...structural phase ...
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The effect of confinement on the stability of field induced states and on supercooling in antiferro ferroelectric phase transitions in chiral smectic liquid crystals
... direct phase transition between the SmC A * and SmC * phases is ...* phase shows a very sensitive response to the weak field due to the presence of a strong Goldstone ...* phase does not show any ...
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Unexpected phase transition sequence in the ferroelectric Bi4Ti3O12
... first-order transitions are known for two order parameters, but not for three, and in the present case there is no indication in the mode couplings that would promote such an exceptional ...intermediate ...
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Ferroelectric Phase Transition in Graphene with Anderson Interaction
... of phase transitions is the one of the famous paradigm in modern fundamental ...that phase transition (in wide extend) means a sub- stance’s transition from one phase to another at the change ...
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Phase transitions in Virology
... approach major evolutionary transitions under the um- brella of critical phenomena. Two important venues will need further theoretical ex- ploration in the future. One is the development of evolu- tionary theories ...
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Electrocaloric Effect of Ferroelectrics and Relaxors
... A systematic study on the relation of the electrocaloric effect and the relaxor state transition of BaZr x Ti 1 −x O 3 is given in Chap. 7. The results are obtained from canonical and microcanoni- cal lattice-based ...
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Chapter 3. Phase transitions. 3.1 Introduction. 3.2 Thermodynamics of phase transitions
... to phase transitions, both from experimental and theoretical points of ...of phase transitions is due to van der Waals, who in 1873 presented a prim- itive theory of the gas-liquid ...
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Phase-field modeling of fracture in ferroelectric materials
... multilayer ferroelectric actuators Multilayer ferroelectric actuators are ideal candidates for numerous applications in smart structures and adaptive systems in view of their small sizes, low driving ...
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Phase-field modeling of fracture in ferroelectric materials
... of phase-field models for the coupled simulation of the microstruc- ture formation and evolution, and the nucleation and propagation of cracks in single and polycrystalline fer- roelectric ...a phase-field ...
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Phase Transitions in the Ising Model
... display phase transitions, as he assumed that this result would carry into higher ...displayed phase transitions at the Curie temperature ( √ ) [KW41], using high and low temperature ...
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Superconducting State and Phase Transitions
... phase transitions. The problem was exacerbated by the division of phase transition into first and second ...the phase transitions attested previously as a second order are first order ...
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Nuclear shape phase transitions
... (phase) transitions, including re- gions of short-lived exotic nuclei that are becoming accessible in experi- ments at radioactive-beam facilities, are governed by the shell structure of single-nucleon ...
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PHASE TRANSITIONS IN COULOMB SYSTEMS
... A Statis- tical Mechanics treatment of a suspension of charged colloi- dal particles indicates the possible existence of a rever- sible "liquid-gas" transition distinct from irre[r] ...
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Two-dimensional phase transitions
... di Francesco, Mathieu, S´ en´ echal, Conformal field-theory, Springer (1997) mh, Conformal invariance and critical phenomena, Springer (1999) Blumenhagen, Plauschinn, Introduction to con[r] ...
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