Temperature Dependence of Switching Characteristics in Polyurea-5 Thin Films
スポンサーリンク
概要
- 論文の詳細を見る
In order to investigate the ferroelectric properties of polyurea-5 prepared by vapor-deposition polymerization, we used switching measurements and found that polyurea thin films showed ferroelectric polarization reversal behavior. Ferroelectric switching transients with the amount of reversed polarization Pr of 20 mC/m2 were observed for the polymer thin film at room temperature. This Pr is consistent with a polyurea-5 film crystallinity of 30%. We then found a two-step increase in the switching transients above 50°C. The first increase gives Pr of 20 mC/m2 and the second increase gives a large Pr increment of 200 mC/m2 which is much larger than the calculated value of the spontaneous polarization in the single crystal of polyurea-5. However the second increase with Pr of 200 mC/m2 is almost independent of applied field E and shifts to short time regions with increasing E. These results imply that the second increase with Pr of 200 mC/m2 is caused by ferroelectric switching.
- Publication Office, Japanese Journal of Applied Physics, Faculty of Science, University of Tokyoの論文
- 1998-09-30
著者
-
DATE Munehiro
Kobayashi Institute of Physical Research
-
FUKADA Eiichi
Kobayashi Institute of Physical Research
-
KANBARA Shintarou
Department of Materials Science and Engineering, Faculty of Engineering, Yamagata University
-
Ohigashi Hiroji
Department Of Materials Science And Engineering Faculty Of Engineering Yamagata University
-
Tajitsu Yoshiro
Department of Materials Science and Engineering, Faculty of Engineering, Yamagata University,
-
Ishida Kazufumi
Department of Materials Science and Engineering, Faculty of Engineering, Yamagata University,
-
Kanbara Shintarou
Department of Materials Science and Engineering, Faculty of Engineering, Yamagata University,
-
Ohigashi Hiroji
Department of Materials Science and Engineering, Faculty of Engineering, Yamagata University,
-
Ohigashi Hiroji
Department of Material Science and Engineering, Yamagata University, Yonezawa 992-8510, Japan
-
Date Munehiro
Kobayashi Institute of Physical Research, 3-20-1 Higashi-Motomachi, Kokubunnji, Tokyo 185-0022, Japan
-
Fukada Eiichi
Kobayashi Institute of Physical Research, 3-20-1 Higashi-Motomachi, Kokubunnji, Tokyo 185-0022, Japan
関連論文
- Piezoelectric Characteristics of Polymer Film Oriented under a Strong Magnetic Field
- Piezoelectric Poly-L-Lactic Acid Film Prepared by a New Method
- Ferroelectric Switching Behavior in Thin Fibs of Polyurea-5
- Synthesis of Aliphatic Polyurea Films by Vapor Deposition Polyrmerization and Their Piezoelectric Properties
- Piezoelectric Properties of Nylon 79 Thin Films Prepared by Vapor Deposition Polymerization
- Piezoelectric and Ferroelectric Properties of Polyurea Thin Films Copolymerized by Vapor Deposition Polymerization of Aliphatic and Aromatic Monomers
- Piezoelectric and Dielectric Properties of Aromatic Polyureas Synthesized by Vapor Deposition Polymerization
- Fourier Transform Infra Red Observation of the Orientation of Dipolar Urea Bonds in Polyurea during Corona Poling
- Dielectric Relaxation in Polyurea Thin Films Prepared by Vapor Deposition Polymerization
- Dependence of Piezoelectric and Pyroelectric Activities of Aromatic Polyurea Thin Films on Monomer Composition Ratio
- Poling Dynamics and Negligible Relaxation in Aromatic Polyurea Studied by In Situ Observation of Second-Harmonic Generation
- Optical Second Harmonic Generation from Poled Thin Films of Aromatic Polyurea Prepared by Vapor Deposition Polymerization
- Pyroelectricity in Poled Thin Films of Aromatic Polyurea Prepared by Vapor Deposition Polymerization
- Transverse Sound Velocity of the Ferroelectric Copolymer Film of Vinylidene Fluoride and Trifluoroethylene
- Dielectric and Piezoelectric Properties of 0.91Pb(Zn_Nb_)O_3-0.09PbTiO_3/ Polyvinylidene Fluoride Composites Produced by the Sol-Gel Method
- Pockels Effects of Polyurea-5 Film Prepared by Vapor-Deposition Polymerization
- Temperature Dependence of Switching Characteristics in Polyurea-5 Thin Films
- Ferroelectric Behavior in Thin Films of Polyurea-5
- Ferroelectric Behavior in the Copolymer of Vinylidenefluoride and Trifluoroethylene
- Piezoelectric Effects in Collagen
- Electromechanical Properties in the Composites of Epoxy Resin and PZT Ceramics
- New Piezoelectric Polymers
- Callus Formation by Electret
- Chain Motions in the Paraelectric Phase in Single Crystalline Films of Vinylidene Fluoride and Trifluoroethylene Copolymer P (VDF/TrFE)
- Role of Transient Metastable Hexagonal Phase in the Formation of Extended Chain Single Crystals of Vinylidene Fluoride and Trifluoroethylene Copolymers
- Lateral Growth of Extemded-Chain Single Crystals of Vinylidene Fluorideand Trifluoroethylene Copolymers
- Morphology of Extended Chain Single Crystals of Vinylidene Fluoride and Trifluoroethylene Copolymers
- Piezoelectric effect of cyanoethylated hydroxyethylcellulose
- Ferroelectric Relaxation in a 65/35 mol% Copolymer of Vinylidene Fluoride and Trifluoroethylene
- Thin Films of (BEDT-TTF)_2Cu(NCS)_2 Prepared by an Electrodeposition Method
- A New Apparatus for Measuring Dynamic Viscoelastic Properties of Polymers
- On the Piezoelectric Effect of Bone
- Ferroelectric Behavior of Thin Films of Vinylidene Fluoride/Trifluoroethylene/Hexafluoropropylene Copolymer
- Piezoelectric Characteristics of Poly($\gamma$-benzyl-l-glutamate) Film Oriented under Strong Magnetic Field
- Piezoelectricity of Poly(l-lactic Acid) Composite Film with Stereocomplex of Poly(l-lactide) and Poly(d-lactide)
- 1H–13C Nuclear Cross-Relaxation and Molecular Motion in Single Crystalline Film of Vinylidene Fluoride and Trifluoroethylene Copolymer with 75 mol% Vinylidene Fluoride
- Temperature Dependence of Shear Piezoelectric Properties of Poly (vinylidene fluoride) Studied by Piezoelectric Resonance Method
- Electromechanical Properties of Poly-L-Lactic Acid
- On the Stripe Pattern during Rolling of Viscous Materials
- Performance of Multilayered Ultrasonic Transducers Comprising Vinylidene Fluoride and Trifluoroethylene Copolymer Films and Ferroelectric Ceramic Plates
- Analysis of Impulse Response Characterisstics of Polymer Ultrasonic Transducers : Mechanical and Acoustical Properties
- A Wide-Band Polymer Ultrasonic Transducer Using Acoustic Impedance Matching Technique : Mechanical and Acoustical Properties
- Piezoelectric Properties of P(VDF-TrFE) Thin Films at Low Temperatures and Their Application to Ultrasonic Transducers for Scanning Acoustic Microscopy Operating in a Wide Temperature Range : Ultrasonic Transduction
- The Vibrational Properties of Wood. II.
- The Relation between Dynamic Elastic Modulus, Internal Friction, Creep and Stress Relaxation in Polymethyl Methacrylate
- On the Relation between Creep and Vibrational Loss of Polymethylmetacrylate.
- The Vibrational Properties of Wood I.
- On the Piezoelectric Effect of Silk Fibers
- Piezoelectricity of Wood
- Piezoelectric Properties of β-Form PVDF Films Crystallized at High Pressure and Their Applications to Heat-Resistant Ultrasonic Transducers : Ultrasonic Transduction
- Growth of Single Crystals of Poly(vinylidene fluoride) under High Pressures
- Lamellar and Bulk Single Crystals Grown in Annealed Films of Vinylidene Fluoride and Trifluoroethylene Copolymers : Chemistry (incl. physical process)
- Pyroelectric Coefficient and Heat Capacity of a Ferroelectric Copolymer of Vinylidene Fluoride and Trifluoroethylene at Low Temperature
- Thickness Dependence of Orientation Factors of Crystal Axes in Poly(vinylidene fluoride/ trifluoroethylene) Single Crystalline Films
- New piezoelectric moduli of wood : d_ and d_
- New impedance measurement system estimating cross-sectional moisture distribution in cylindrical bodies and electric network modeling
- Sensing Using Piezoelectric Chiral Polymer Fiber (Special Issue : Ferroelectric Materials and Their Applications)
- Piezoelectric Poly-L-Lactic Acid Film Prepared by a New Method
- Vibration Control of Piezoelectric Lead Zirconate Titanate Ceramics Using Negative Capacitance
- Piezoelectric Characteristics of Polymer Film Oriented under a Strong Magnetic Field
- Elasticity Control of Piezoelectric Lead Zirconate Titanate (PZT) Materials Using Negative-Capacitance Circuits
- Temperature Dependence of Switching Characteristics in Polyurea-5 Thin Films
- Basic Study of Elasticity Control of Soft and Hard Piezoelectric Materials Using Different Types of Negative-Capacitance Circuits
- Basic Study of Application for Elasticity Control of Piezoelectric Lead Zirconate Titanate Materials using Negative-Capacitance Circuits to Sound Shielding Technology
- Piezoelectric Motion of Poly(l-lactic acid) Film Improved by Supercritical CO2 Treatment
- Vibration Control by Magnetostrictive Actuator Coupled with Negative Inductance Circuits
- Absorption spectra of the cationic radical salt of 3,3',5,5'-tetramethylbenzidine in acetonitrile.
- Dielectric Properties of Poly(methylphenylsilylene) under Humidity in the Kilohertz Range.
- The Vibrational Properties of Wood I