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Aurivillius Phase Materials : Exploring Lead-Free Ferroelectrics
Aurivillius Phase Materials : Exploring Lead-Free Ferroelectrics
Autore Kurchania Rajnish
Edizione [1st ed.]
Pubbl/distr/stampa Bristol : , : Institute of Physics Publishing, , 2022
Descrizione fisica 1 online resource (162 pages)
Disciplina 548.85
Altri autori (Persone) SubohiOroosa
Collana IOP Series in Emerging Technologies in Optics and Photonics Series
ISBN 0-7503-4480-6
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Intro -- Preface -- Foreword -- Acknowledgement -- Author biographies -- Rajnish Kurchania -- Oroosa Subohi -- Chapter 1 Introduction -- 1.1 General introduction -- 1.2 Materials classification on the basis of symmetry -- 1.3 The basics of ferroelectricity and related phenomenon -- 1.3.1 Dielectric materials -- 1.3.2 Impedance spectroscopy -- 1.3.3 Piezoelectricity -- 1.3.4 Pyroelectricity -- 1.3.5 Ferroelectricity -- 1.4 Classification of ferroelectrics -- 1.4.1 Classification of ferroelectrics based on crystal structure -- 1.4.2 The classification of ferroelectrics based on properties -- 1.5 Aurivillius oxides -- References -- Chapter 2 Odd number layered Aurivillius oxides -- 2.1 Single-layered oxides (m = 1) Bi2MoO6 and Bi2WO6 -- 2.1.1 Structure -- 2.1.2 Synthesis of Bi2MO6 ceramics and thin films (M = W, Mo) -- 2.2 Three-layered oxides (m = 3) Bi4Ti3O12 -- 2.2.1 Structure -- 2.2.2 Synthesis methods -- 2.2.3 The effect of A-site and B-site doping in Bi4Ti3O12 -- 2.3 Five-layered oxides (m = 5) -- 2.3.1 Structure -- 2.3.2 The synthesis of five-layered ceramics and thin films and their properties -- 2.3.3 The effect of ion substitution in five-layered Aurivillius oxides -- References -- Chapter 3 Even number layered Aurivillius oxides -- 3.1 Two-layered oxide (m = 2) structure -- 3.1.1 Synthesis of BaBi2Nb2O9 and Bi3TiNbO9 ceramics and thin films -- 3.1.2 The effect of ion substitution in BaBi2Nb2O9 and Bi3TiNbO9 -- 3.2 Four-layered oxides (m = 4) -- 3.2.1 Multiferroic Aurivillius oxide Bi5Ti3FeO15 -- 3.2.2 The four-layered titanates -- References -- Chapter 4 Mixed layered Aurivillius phases -- 4.1 Structure of intergrowths -- 4.2 Ordering and disordering in intergrowths -- 4.3 Non-successive layer intergrowths -- 4.4 Multiferroic intergrowths -- 4.5 Ferroelectric intergrowth ceramics -- 4.6 Ferroelectric intergrowth thin films.
4.7 The effect of doping in intergrowths -- 4.8 Summary -- References -- Chapter 5 Applications and future perspectives of Aurivillius oxides -- 5.1 Ferroelectric random-access memory (FeRAM) -- 5.2 Resistive random-access memory (RRAM) -- 5.3 Acoustic piezoelectric sensor -- 5.4 Biosensors -- 5.5 Pressure sensors -- 5.6 Piezoelectric nanogenerator -- 5.7 Ultrasonic transducer -- 5.8 Multifunctional applications -- 5.9 Photocatalysts -- 5.10 Future scope of Aurivillius phase oxides -- References.
Record Nr. UNINA-9910861039503321
Kurchania Rajnish  
Bristol : , : Institute of Physics Publishing, , 2022
Materiale a stampa
Lo trovi qui: Univ. Federico II
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Electronic States in Crystals of Finite Size [[electronic resource] ] : Quantum Confinement of Bloch Waves / / by Shang Yuan Ren
Electronic States in Crystals of Finite Size [[electronic resource] ] : Quantum Confinement of Bloch Waves / / by Shang Yuan Ren
Autore Ren Shang Yuan
Edizione [2nd ed. 2017.]
Pubbl/distr/stampa Singapore : , : Springer Singapore : , : Imprint : Springer, , 2017
Descrizione fisica 1 online resource (XVI, 283 p. 42 illus.)
Disciplina 548.85
Collana Springer Tracts in Modern Physics
Soggetto topico Nanoscale science
Nanoscience
Nanostructures
Crystallography
Materials—Surfaces
Thin films
Optics
Electrodynamics
Acoustics
Nanoscale Science and Technology
Crystallography and Scattering Methods
Surfaces and Interfaces, Thin Films
Classical Electrodynamics
ISBN 981-10-4718-9
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Part I Why a Theory of Electronic States in Crystals of Finite Size is Needed -- Introduction -- Part II One-Dimensional Semi-infinite Crystals and Finite Crystals -- The Periodic Sturm-Liouville Equations -- Surface States in One-Dimensional Semi-infinite Crystals -- Electronic States in Ideal One-Dimensional Crystals of Finite Length -- Part III Low-Dimensional Systems and Finite Crystals -- Electronic States in Ideal Quantum Films -- Electronic States in Ideal Quantum Wires -- Electronic States in Ideal Finite Crystals or Quantum Dots -- Part IV Epilogue -- Concluding Remarks --  Appendices.
Record Nr. UNINA-9910254594803321
Ren Shang Yuan  
Singapore : , : Springer Singapore : , : Imprint : Springer, , 2017
Materiale a stampa
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Ferroelectric and antiferroelectric liquid crystals [[electronic resource] /] / Sven T. Lagerwall
Ferroelectric and antiferroelectric liquid crystals [[electronic resource] /] / Sven T. Lagerwall
Autore Lagerwall Sven T (Sven Torbjörn)
Pubbl/distr/stampa Weinheim ; ; New York, : Wiley-VCH, c1999
Descrizione fisica 1 online resource (448 p.)
Disciplina 530.429
548.85
Soggetto topico Ferroelectric crystals
Liquid crystals
Soggetto genere / forma Electronic books.
ISBN 1-281-76419-1
9786611764197
3-527-61358-7
3-527-61359-5
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Ferroelectric and Antiferroelectric Liquid Crystals; Contents; List of Symbols and Abbreviations; 1 Introduction; 2 Polar Materials and Effects; 2.1 Polar and Nonpolar Dielectrics; 2.2 The Nonpolarity of Liquid Crystals in General; 2.3 Behavior of Dielectrics in Electric Fields: Classification of Polar Materials; 2.4 Developments in the Understanding of Polar Effects; 2.5 The van der Waals Attraction and Born's Mean Field Theory; 2.6 Landau Preliminaries . The Concept of Order Parameter; 2.7 The Simplest Description of a Ferroelectric; 2.8 Improper Ferroelectrics; 2.9 The Piezoelectric Phase
3 The Necessary Conditions for Macroscopic Polarization3.1 The Neumann and Curie Principles; 3.2 Franz Neumann, Königsberg, and the Rise of Theoretical Physics; 3.3 Neumann's Principle Applied to Liquid Crystals; 3.4 The Surface-Stabilized State; 3.5 Chirality and its Consequences; 3.6 The Curie Principle and Piezoelectricity; 3.7 Hermann's Theorem; 3.8 The Importance of Additional Symmetries; 3.9 Optical Activity and Enantiomorphism; 3.10 Non-Chiral Polar and NLO-Active Liquid Crystals; 4 The Flexoelectric Polarization; 4.1 Deformations from the Ground State of a Nematic
4.2 The Flexoelectric Coefficients4.3 The Molecular Picture; 4.4 Analogies and Contrasts to the Piezoelectric Effect; 4.5 The Importance of Rational Sign Conventions; 4.6 Singularities are Charged in Liquid Crystals; 4.7 The Flexoelectrooptic Effect; 4.8 Why Can a Cholesteric Phase not be Biaxial?; 4.9 Flexoelectric Effects in the Smectic A Phase; 4.10 Flexoelectric Effects in the Smectic C Phase; 5 The SmA* - SmC* Transition and the Helical C* State; 5.1 The Smectic C Order Parameter; 5.2 The SmA* - SmC* Transition; 5.3 The Smectic C* Order Parameters; 5.4 The Helical Smectic C* State
5.5 The Flexoelectric Contribution in the Helical State5.6 Nonchiral Helielectrics and Antiferroelectrics; 5.7 Mesomorphic States without Director Symmetry; 5.8 Simple Landau Expansions; 5.9 The Electroclinic Effect; 5.10 The Deformed Helix Mode in Short Pitch Materials; 5.11 The Landau Expansion for the Helical C* State; 5.12 The Pikin-Indenbom Order Parameter; 6 Electrooptics in the Surface-Stabilized State; 6.1 The Linear Electrooptic Effect; 6.2 The Quadratic Torque; 6.3 Switching Dynamics; 6.4 The Scaling Law for the Cone Mode Viscosity
6.5 Simple Solutions of the Director Equation of Motion6.6 Electrooptic Measurements; 6.7 Optical Anisotropy and Biaxiality; 6.8 The Effects of Dielectric Biaxiality; 6.9 The Viscosity of the Rotational Modes in the Smectic C Phase; 7 Dielectric Spectroscopy To Find the y^ and e^ Tensor Components; 7.1 Viscosities of Rotational Modes; 7.2 The Viscosity of the collective Modes; 7.3 The Viscosity of the Noncollective Modes; 7.4 The Viscosity yø from Electrooptic Measurements; 7.5 The Dielectric Permittivity Tensor; 7.6 The Case of Helical Smectic C* Structures; 7.7 Three Sample Geometries
7.8 Tilted Smectic Layers
Record Nr. UNINA-9910144723403321
Lagerwall Sven T (Sven Torbjörn)  
Weinheim ; ; New York, : Wiley-VCH, c1999
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Ferroelectric and antiferroelectric liquid crystals [[electronic resource] /] / Sven T. Lagerwall
Ferroelectric and antiferroelectric liquid crystals [[electronic resource] /] / Sven T. Lagerwall
Autore Lagerwall Sven T (Sven Torbjörn)
Pubbl/distr/stampa Weinheim ; ; New York, : Wiley-VCH, c1999
Descrizione fisica 1 online resource (448 p.)
Disciplina 530.429
548.85
Soggetto topico Ferroelectric crystals
Liquid crystals
ISBN 1-281-76419-1
9786611764197
3-527-61358-7
3-527-61359-5
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Ferroelectric and Antiferroelectric Liquid Crystals; Contents; List of Symbols and Abbreviations; 1 Introduction; 2 Polar Materials and Effects; 2.1 Polar and Nonpolar Dielectrics; 2.2 The Nonpolarity of Liquid Crystals in General; 2.3 Behavior of Dielectrics in Electric Fields: Classification of Polar Materials; 2.4 Developments in the Understanding of Polar Effects; 2.5 The van der Waals Attraction and Born's Mean Field Theory; 2.6 Landau Preliminaries . The Concept of Order Parameter; 2.7 The Simplest Description of a Ferroelectric; 2.8 Improper Ferroelectrics; 2.9 The Piezoelectric Phase
3 The Necessary Conditions for Macroscopic Polarization3.1 The Neumann and Curie Principles; 3.2 Franz Neumann, Königsberg, and the Rise of Theoretical Physics; 3.3 Neumann's Principle Applied to Liquid Crystals; 3.4 The Surface-Stabilized State; 3.5 Chirality and its Consequences; 3.6 The Curie Principle and Piezoelectricity; 3.7 Hermann's Theorem; 3.8 The Importance of Additional Symmetries; 3.9 Optical Activity and Enantiomorphism; 3.10 Non-Chiral Polar and NLO-Active Liquid Crystals; 4 The Flexoelectric Polarization; 4.1 Deformations from the Ground State of a Nematic
4.2 The Flexoelectric Coefficients4.3 The Molecular Picture; 4.4 Analogies and Contrasts to the Piezoelectric Effect; 4.5 The Importance of Rational Sign Conventions; 4.6 Singularities are Charged in Liquid Crystals; 4.7 The Flexoelectrooptic Effect; 4.8 Why Can a Cholesteric Phase not be Biaxial?; 4.9 Flexoelectric Effects in the Smectic A Phase; 4.10 Flexoelectric Effects in the Smectic C Phase; 5 The SmA* - SmC* Transition and the Helical C* State; 5.1 The Smectic C Order Parameter; 5.2 The SmA* - SmC* Transition; 5.3 The Smectic C* Order Parameters; 5.4 The Helical Smectic C* State
5.5 The Flexoelectric Contribution in the Helical State5.6 Nonchiral Helielectrics and Antiferroelectrics; 5.7 Mesomorphic States without Director Symmetry; 5.8 Simple Landau Expansions; 5.9 The Electroclinic Effect; 5.10 The Deformed Helix Mode in Short Pitch Materials; 5.11 The Landau Expansion for the Helical C* State; 5.12 The Pikin-Indenbom Order Parameter; 6 Electrooptics in the Surface-Stabilized State; 6.1 The Linear Electrooptic Effect; 6.2 The Quadratic Torque; 6.3 Switching Dynamics; 6.4 The Scaling Law for the Cone Mode Viscosity
6.5 Simple Solutions of the Director Equation of Motion6.6 Electrooptic Measurements; 6.7 Optical Anisotropy and Biaxiality; 6.8 The Effects of Dielectric Biaxiality; 6.9 The Viscosity of the Rotational Modes in the Smectic C Phase; 7 Dielectric Spectroscopy To Find the y^ and e^ Tensor Components; 7.1 Viscosities of Rotational Modes; 7.2 The Viscosity of the collective Modes; 7.3 The Viscosity of the Noncollective Modes; 7.4 The Viscosity yø from Electrooptic Measurements; 7.5 The Dielectric Permittivity Tensor; 7.6 The Case of Helical Smectic C* Structures; 7.7 Three Sample Geometries
7.8 Tilted Smectic Layers
Record Nr. UNINA-9910830759703321
Lagerwall Sven T (Sven Torbjörn)  
Weinheim ; ; New York, : Wiley-VCH, c1999
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Ferroelectric and antiferroelectric liquid crystals [[electronic resource] /] / Sven T. Lagerwall
Ferroelectric and antiferroelectric liquid crystals [[electronic resource] /] / Sven T. Lagerwall
Autore Lagerwall Sven T (Sven Torbjörn)
Pubbl/distr/stampa Weinheim ; ; New York, : Wiley-VCH, c1999
Descrizione fisica 1 online resource (448 p.)
Disciplina 530.429
548.85
Soggetto topico Ferroelectric crystals
Liquid crystals
ISBN 1-281-76419-1
9786611764197
3-527-61358-7
3-527-61359-5
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Ferroelectric and Antiferroelectric Liquid Crystals; Contents; List of Symbols and Abbreviations; 1 Introduction; 2 Polar Materials and Effects; 2.1 Polar and Nonpolar Dielectrics; 2.2 The Nonpolarity of Liquid Crystals in General; 2.3 Behavior of Dielectrics in Electric Fields: Classification of Polar Materials; 2.4 Developments in the Understanding of Polar Effects; 2.5 The van der Waals Attraction and Born's Mean Field Theory; 2.6 Landau Preliminaries . The Concept of Order Parameter; 2.7 The Simplest Description of a Ferroelectric; 2.8 Improper Ferroelectrics; 2.9 The Piezoelectric Phase
3 The Necessary Conditions for Macroscopic Polarization3.1 The Neumann and Curie Principles; 3.2 Franz Neumann, Königsberg, and the Rise of Theoretical Physics; 3.3 Neumann's Principle Applied to Liquid Crystals; 3.4 The Surface-Stabilized State; 3.5 Chirality and its Consequences; 3.6 The Curie Principle and Piezoelectricity; 3.7 Hermann's Theorem; 3.8 The Importance of Additional Symmetries; 3.9 Optical Activity and Enantiomorphism; 3.10 Non-Chiral Polar and NLO-Active Liquid Crystals; 4 The Flexoelectric Polarization; 4.1 Deformations from the Ground State of a Nematic
4.2 The Flexoelectric Coefficients4.3 The Molecular Picture; 4.4 Analogies and Contrasts to the Piezoelectric Effect; 4.5 The Importance of Rational Sign Conventions; 4.6 Singularities are Charged in Liquid Crystals; 4.7 The Flexoelectrooptic Effect; 4.8 Why Can a Cholesteric Phase not be Biaxial?; 4.9 Flexoelectric Effects in the Smectic A Phase; 4.10 Flexoelectric Effects in the Smectic C Phase; 5 The SmA* - SmC* Transition and the Helical C* State; 5.1 The Smectic C Order Parameter; 5.2 The SmA* - SmC* Transition; 5.3 The Smectic C* Order Parameters; 5.4 The Helical Smectic C* State
5.5 The Flexoelectric Contribution in the Helical State5.6 Nonchiral Helielectrics and Antiferroelectrics; 5.7 Mesomorphic States without Director Symmetry; 5.8 Simple Landau Expansions; 5.9 The Electroclinic Effect; 5.10 The Deformed Helix Mode in Short Pitch Materials; 5.11 The Landau Expansion for the Helical C* State; 5.12 The Pikin-Indenbom Order Parameter; 6 Electrooptics in the Surface-Stabilized State; 6.1 The Linear Electrooptic Effect; 6.2 The Quadratic Torque; 6.3 Switching Dynamics; 6.4 The Scaling Law for the Cone Mode Viscosity
6.5 Simple Solutions of the Director Equation of Motion6.6 Electrooptic Measurements; 6.7 Optical Anisotropy and Biaxiality; 6.8 The Effects of Dielectric Biaxiality; 6.9 The Viscosity of the Rotational Modes in the Smectic C Phase; 7 Dielectric Spectroscopy To Find the y^ and e^ Tensor Components; 7.1 Viscosities of Rotational Modes; 7.2 The Viscosity of the collective Modes; 7.3 The Viscosity of the Noncollective Modes; 7.4 The Viscosity yø from Electrooptic Measurements; 7.5 The Dielectric Permittivity Tensor; 7.6 The Case of Helical Smectic C* Structures; 7.7 Three Sample Geometries
7.8 Tilted Smectic Layers
Record Nr. UNINA-9910841279803321
Lagerwall Sven T (Sven Torbjörn)  
Weinheim ; ; New York, : Wiley-VCH, c1999
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Flexoelectricity in liquid crystals [[electronic resource] ] : theory, experiments and applications / / edited by Agnes Buka and Nándor Éber
Flexoelectricity in liquid crystals [[electronic resource] ] : theory, experiments and applications / / edited by Agnes Buka and Nándor Éber
Pubbl/distr/stampa Singapore ; ; London, : World Scientific, c2013
Descrizione fisica 1 online resource (299 p.)
Disciplina 548.85
Altri autori (Persone) BukaAgnes
EberMilton
Soggetto topico Liquid crystals - Electric properties
Liquid crystals
Soggetto genere / forma Electronic books.
ISBN 1-283-73918-6
1-84816-800-4
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Preface; Contents; Introduction to Flexoelectricity: Its Discovery and Basic Concepts R.B. Meyer; References; 1. Molecular Theory of Flexoelectricity in Nematic Liquid Crystals M.A. Osipov; 1.1. Introduction; 1.2. Dipolar and Quadrupolar Flexoelectricity; 1.3. Density Functional Theory of Flexoelectricity; 1.4. Influence of Polar Molecular Shape on the Flexocoeccients; 1.5. Influence of Dipole-Dipole Correlations; 1.6. Influence of Real Molecular Shape; References; 2. Flexoelectro-optics and Measurements of Flexocoefficients N.V. Madhusudana; 2.1. Introduction; 2.2. Theoretical Background
2.3. Experimental Techniques2.4. Some Remarks on the Experimental Results; References; 3. Flexoelectricity of Bent-core Molecules A. Jakli, J. Harden and N. Eber; 3.1. Introduction; 3.1.1. Bent-core (banana-shaped) liquid crystals; 3.1.2. Bent-core nematics; 3.2. Flexoelectricity in Bent-core Liquid Crystals; 3.2.1. The .exoelectric coefficients; 3.2.2. A direct flexing method for measuring flexoelectric coefficients; 3.2.3. Giant flexoelectricity of bent-core nematics studied by the flexing method; 3.3. The Inverse (Converse) Flexoelectric Effect; 3.3.1. Converse giant flexoelectric effect
3.3.2. Flexoelectricity of bent-core molecules studied by indirect methods3.4. Physical Origin of Giant Flexoelectricity; 3.5. Giant Flexoelectric Effect in Liquid Crystalline Elastomers; Acknowledgments; References; 4. The Role of Flexoelectricity in Pattern Formation A. Buka, T. Toth-Katona, N. Eber, A. Krekhov and W. Pesch; 4.1. Introduction; 4.2. Equilibrium Structures: Flexodomains; 4.3. Dissipative Structures: Electroconvection; 4.3.1. Standard electroconvection; 4.3.2. Non-standard electroconvection; 4.4. Crossover between Flexodomains and Electroconvection
4.5. Discussions and Conclusions Acknowledgements; References; 5. Flexoelectricity in Chiral Polar Smectics M. Cepic; 5.1. Introduction; 5.2. Ferroelectric Liquid Crystals; 5.2.1. Phenomenological modelling of chiral tilted smectics; 5.2.2. Polar properties and flexoelectricity; 5.3. Antiferroelectric Liquid Crystals; 5.3.1. Structures of phases; 5.3.1.1. The ferroelectric SmC* phase; 5.3.1.2. The antiferroelectric SmC*A phase; 5.3.1.3. The incommensurate SmC* a phase; 5.3.1.4. The antiferroelectric SmC* FI2 phase; 5.3.1.5. The ferrielectric SmC* FI1 phase; 5.3.1.6. The six-layer SmC* 6d phase
5.3.2. Discrete model 5.3.3. Discrete form of flexoelectricity; 5.3.4. Lock-in periodicities; 5.3.4.1. Achiral interactions a1; 5.3.4.2. Achiral interactions a2; 5.3.4.3. Achiral interactions a3; 5.3.4.4. Chiral interactions f1; 5.3.4.5. Chiral interactions f2; 5.3.4.6. Quadrupolar biquadratic interactions bQ; 5.3.4.7. Period two: The SmC* FI2 phase; 5.3.4.8. Period three: The SmC* FI1 and the SmC* 6d phases; 5.4. Flexoelectricity in Complex Structures; 5.4.1. General direction of polarization; 5.4.2. On the observability of flexoelectric polarization; 5.5. Conclusions; References
6. Flexoelectricity in Lyotropics and in Living Liquid Crystals A.G. Petrov
Record Nr. UNINA-9910464790503321
Singapore ; ; London, : World Scientific, c2013
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Flexoelectricity in liquid crystals [[electronic resource] ] : theory, experiments and applications / / edited by Agnes Buka and Nándor Éber
Flexoelectricity in liquid crystals [[electronic resource] ] : theory, experiments and applications / / edited by Agnes Buka and Nándor Éber
Pubbl/distr/stampa Singapore ; ; London, : World Scientific, c2013
Descrizione fisica 1 online resource (299 p.)
Disciplina 548.85
Altri autori (Persone) BukaAgnes
EberMilton
Soggetto topico Liquid crystals - Electric properties
Liquid crystals
ISBN 1-283-73918-6
1-84816-800-4
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Preface; Contents; Introduction to Flexoelectricity: Its Discovery and Basic Concepts R.B. Meyer; References; 1. Molecular Theory of Flexoelectricity in Nematic Liquid Crystals M.A. Osipov; 1.1. Introduction; 1.2. Dipolar and Quadrupolar Flexoelectricity; 1.3. Density Functional Theory of Flexoelectricity; 1.4. Influence of Polar Molecular Shape on the Flexocoeccients; 1.5. Influence of Dipole-Dipole Correlations; 1.6. Influence of Real Molecular Shape; References; 2. Flexoelectro-optics and Measurements of Flexocoefficients N.V. Madhusudana; 2.1. Introduction; 2.2. Theoretical Background
2.3. Experimental Techniques2.4. Some Remarks on the Experimental Results; References; 3. Flexoelectricity of Bent-core Molecules A. Jakli, J. Harden and N. Eber; 3.1. Introduction; 3.1.1. Bent-core (banana-shaped) liquid crystals; 3.1.2. Bent-core nematics; 3.2. Flexoelectricity in Bent-core Liquid Crystals; 3.2.1. The .exoelectric coefficients; 3.2.2. A direct flexing method for measuring flexoelectric coefficients; 3.2.3. Giant flexoelectricity of bent-core nematics studied by the flexing method; 3.3. The Inverse (Converse) Flexoelectric Effect; 3.3.1. Converse giant flexoelectric effect
3.3.2. Flexoelectricity of bent-core molecules studied by indirect methods3.4. Physical Origin of Giant Flexoelectricity; 3.5. Giant Flexoelectric Effect in Liquid Crystalline Elastomers; Acknowledgments; References; 4. The Role of Flexoelectricity in Pattern Formation A. Buka, T. Toth-Katona, N. Eber, A. Krekhov and W. Pesch; 4.1. Introduction; 4.2. Equilibrium Structures: Flexodomains; 4.3. Dissipative Structures: Electroconvection; 4.3.1. Standard electroconvection; 4.3.2. Non-standard electroconvection; 4.4. Crossover between Flexodomains and Electroconvection
4.5. Discussions and Conclusions Acknowledgements; References; 5. Flexoelectricity in Chiral Polar Smectics M. Cepic; 5.1. Introduction; 5.2. Ferroelectric Liquid Crystals; 5.2.1. Phenomenological modelling of chiral tilted smectics; 5.2.2. Polar properties and flexoelectricity; 5.3. Antiferroelectric Liquid Crystals; 5.3.1. Structures of phases; 5.3.1.1. The ferroelectric SmC* phase; 5.3.1.2. The antiferroelectric SmC*A phase; 5.3.1.3. The incommensurate SmC* a phase; 5.3.1.4. The antiferroelectric SmC* FI2 phase; 5.3.1.5. The ferrielectric SmC* FI1 phase; 5.3.1.6. The six-layer SmC* 6d phase
5.3.2. Discrete model 5.3.3. Discrete form of flexoelectricity; 5.3.4. Lock-in periodicities; 5.3.4.1. Achiral interactions a1; 5.3.4.2. Achiral interactions a2; 5.3.4.3. Achiral interactions a3; 5.3.4.4. Chiral interactions f1; 5.3.4.5. Chiral interactions f2; 5.3.4.6. Quadrupolar biquadratic interactions bQ; 5.3.4.7. Period two: The SmC* FI2 phase; 5.3.4.8. Period three: The SmC* FI1 and the SmC* 6d phases; 5.4. Flexoelectricity in Complex Structures; 5.4.1. General direction of polarization; 5.4.2. On the observability of flexoelectric polarization; 5.5. Conclusions; References
6. Flexoelectricity in Lyotropics and in Living Liquid Crystals A.G. Petrov
Record Nr. UNINA-9910789345803321
Singapore ; ; London, : World Scientific, c2013
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Flexoelectricity in liquid crystals [[electronic resource] ] : theory, experiments and applications / / edited by Agnes Buka and Nándor Éber
Flexoelectricity in liquid crystals [[electronic resource] ] : theory, experiments and applications / / edited by Agnes Buka and Nándor Éber
Pubbl/distr/stampa Singapore ; ; London, : World Scientific, c2013
Descrizione fisica 1 online resource (299 p.)
Disciplina 548.85
Altri autori (Persone) BukaAgnes
EberMilton
Soggetto topico Liquid crystals - Electric properties
Liquid crystals
ISBN 1-283-73918-6
1-84816-800-4
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Preface; Contents; Introduction to Flexoelectricity: Its Discovery and Basic Concepts R.B. Meyer; References; 1. Molecular Theory of Flexoelectricity in Nematic Liquid Crystals M.A. Osipov; 1.1. Introduction; 1.2. Dipolar and Quadrupolar Flexoelectricity; 1.3. Density Functional Theory of Flexoelectricity; 1.4. Influence of Polar Molecular Shape on the Flexocoeccients; 1.5. Influence of Dipole-Dipole Correlations; 1.6. Influence of Real Molecular Shape; References; 2. Flexoelectro-optics and Measurements of Flexocoefficients N.V. Madhusudana; 2.1. Introduction; 2.2. Theoretical Background
2.3. Experimental Techniques2.4. Some Remarks on the Experimental Results; References; 3. Flexoelectricity of Bent-core Molecules A. Jakli, J. Harden and N. Eber; 3.1. Introduction; 3.1.1. Bent-core (banana-shaped) liquid crystals; 3.1.2. Bent-core nematics; 3.2. Flexoelectricity in Bent-core Liquid Crystals; 3.2.1. The .exoelectric coefficients; 3.2.2. A direct flexing method for measuring flexoelectric coefficients; 3.2.3. Giant flexoelectricity of bent-core nematics studied by the flexing method; 3.3. The Inverse (Converse) Flexoelectric Effect; 3.3.1. Converse giant flexoelectric effect
3.3.2. Flexoelectricity of bent-core molecules studied by indirect methods3.4. Physical Origin of Giant Flexoelectricity; 3.5. Giant Flexoelectric Effect in Liquid Crystalline Elastomers; Acknowledgments; References; 4. The Role of Flexoelectricity in Pattern Formation A. Buka, T. Toth-Katona, N. Eber, A. Krekhov and W. Pesch; 4.1. Introduction; 4.2. Equilibrium Structures: Flexodomains; 4.3. Dissipative Structures: Electroconvection; 4.3.1. Standard electroconvection; 4.3.2. Non-standard electroconvection; 4.4. Crossover between Flexodomains and Electroconvection
4.5. Discussions and Conclusions Acknowledgements; References; 5. Flexoelectricity in Chiral Polar Smectics M. Cepic; 5.1. Introduction; 5.2. Ferroelectric Liquid Crystals; 5.2.1. Phenomenological modelling of chiral tilted smectics; 5.2.2. Polar properties and flexoelectricity; 5.3. Antiferroelectric Liquid Crystals; 5.3.1. Structures of phases; 5.3.1.1. The ferroelectric SmC* phase; 5.3.1.2. The antiferroelectric SmC*A phase; 5.3.1.3. The incommensurate SmC* a phase; 5.3.1.4. The antiferroelectric SmC* FI2 phase; 5.3.1.5. The ferrielectric SmC* FI1 phase; 5.3.1.6. The six-layer SmC* 6d phase
5.3.2. Discrete model 5.3.3. Discrete form of flexoelectricity; 5.3.4. Lock-in periodicities; 5.3.4.1. Achiral interactions a1; 5.3.4.2. Achiral interactions a2; 5.3.4.3. Achiral interactions a3; 5.3.4.4. Chiral interactions f1; 5.3.4.5. Chiral interactions f2; 5.3.4.6. Quadrupolar biquadratic interactions bQ; 5.3.4.7. Period two: The SmC* FI2 phase; 5.3.4.8. Period three: The SmC* FI1 and the SmC* 6d phases; 5.4. Flexoelectricity in Complex Structures; 5.4.1. General direction of polarization; 5.4.2. On the observability of flexoelectric polarization; 5.5. Conclusions; References
6. Flexoelectricity in Lyotropics and in Living Liquid Crystals A.G. Petrov
Record Nr. UNINA-9910828777503321
Singapore ; ; London, : World Scientific, c2013
Materiale a stampa
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IEEE Std 176-1949 (ANSI C83.3-1951) : IEEE Standards on Piezoelectric Crystals, 1949 / / IEEE
IEEE Std 176-1949 (ANSI C83.3-1951) : IEEE Standards on Piezoelectric Crystals, 1949 / / IEEE
Pubbl/distr/stampa New York : , : IEEE, , 1949
Descrizione fisica 1 online resource (20 pages)
Disciplina 548.85
Collana IEEE Std
Soggetto topico Crystals - Electric properties
Piezoelectric devices
ISBN 1-5044-0179-4
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Altri titoli varianti IEEE Std 176-1949
Record Nr. UNINA-9910309756103321
New York : , : IEEE, , 1949
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
IEEE Std 176-1949 (ANSI C83.3-1951) : IEEE Standards on Piezoelectric Crystals, 1949 / / IEEE
IEEE Std 176-1949 (ANSI C83.3-1951) : IEEE Standards on Piezoelectric Crystals, 1949 / / IEEE
Pubbl/distr/stampa New York : , : IEEE, , 1949
Descrizione fisica 1 online resource (20 pages)
Disciplina 548.85
Collana IEEE Std
Soggetto topico Crystals - Electric properties
Piezoelectric devices
ISBN 1-5044-0179-4
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Altri titoli varianti IEEE Std 176-1949
Record Nr. UNISA-996577949003316
New York : , : IEEE, , 1949
Materiale a stampa
Lo trovi qui: Univ. di Salerno
Opac: Controlla la disponibilità qui