IOP Groups
Anisotropic Dielectrics and Ferroelectrics
6-9 April 1998
Rutherford College, University of Kent at Canterbury
The 1996 Annual Dielectrics Society Meeting
in conjunction with: The 4th UK Transducer Materials and Transducers Workshop
Themes:Dielectric interfaces and composite materials
Ferroelectric materials (ceramics and thin films), sensor and transducer applications
The complementary theme of magnetostrictive materials and their applications
Keynote Speakers- Prof F Kremer (Leipzig, Germany): Molecular dynamics close to surfaces
- Prof Dr J Ulanski (Lodz, Poland): Composite Materials
- Angus Condie (Xaar Ltd.): Piezoelectric ink jet printers
- Tom Shrout (MRL, Penn State): High piezoelectric PZN-PT coupling materials
- David Hall (Manchester Univ.): High field properties of ferroelectrics
- David Cannell (Filtronic Comtec): Microwave Dielectrics
- Ian Reaney (Sheffield Univ.): Microstructure of Ferroelectric Materials
- Mike Reece (QM&WCL): Mechanical fatigue in ferroelectrics
- Noel Thomas (Leeds Univ.): Structure and Properties of Ferroelectrics
- Rod Greenhough (Hull): Controlled magnetostrictive actuation - present position and future projections
- Patrick Squire (Bath): Magnetostrictive phenomena in amorphous magnetic materials
Papers
Session 1
Chair: H Block
Paper 1.1
Molecular dynamics close to lubricated surfaces (Invited lecture)
F Kremer, M Arndt, W Gorbatschow, R Stannarius and H Groothues
Space charge limited currents in inhomogeneous gradient polymer materials: numerical solutions
M Kryszewski and G W Bak
Session 2
Chair: F Kremer
Paper 2.1
Anisotropic polymer composites obtained from liquid crystalline cellulose derivatives (Invited lecture)
J Ulanski, L Okrasa, P Wojciechowski, R Kozanecki, G Boiteaux, G Seytre and T Pakula
Dielectric sensing in monitoring polymer cure
G Maistros, I K Partridge, C B Bucknall and H Block
Dielectric relaxation spectra in ferroelectric P(VDF-TrFE) copolymers
J Menegotto, L.Ibos, A Bernes, P Demont and C Lacabanne
The cooperative relaxation in pores glasses
Y Feldman, R Nigmatullin, A Gutina, A Puzanko and Y Ryabov
Session 3
Chair: R Whatmore
Paper 3.1
The effect of octahedral tilt transitions on the properties of perovskites and related materials (Invited lecture)
I M Reaney
A neutron diffraction study into cation behaviour in rhombohedral PZT
D L Corker, R W Whatmore and A M Glazer
A polycrystal plasticity model for ferroelectrics
J Huber and N A Fleck
Session 4
Chair: T Shrout
Paper 4.1
Understanding PMN-based relaxors from their crystal structures and microstructures (Invited lecture)
N W Thomas
On the origin of the distribution of relaxation times in relaxor dielectrics
A Bell
Processing and properties of Ag/PZT composites
D H Pearce and T W Button
Session 5 - First Poster Session
Paper 5.1
Space charge behaviour and ion migration in a printed wiring board
K Fukunaga, T Maeno and K Okamoto
Permittivity of Conductive Fiber Composites at microwave frequencies
F Giroud, G Boiteux, F Jousse and J F Salas
Dielectric relaxation studies of molecular aggregation in liquids: mixtures of mono and dihydric alcohols
U Becker and M Stockhausen
Photoconductive properties of diamond-like carbon films prepared by RF plasma decomposition
J Walocha, E Staryga, A Lipinski and G W Bak
Low temperature sol gel deposition of PST (Pb(Sc0.5Ta0.5)3) thin films
T Takeishi and R W Whatmore
The effect of addition of some polymers on the dielectric behaviour of rubber vulcanates
H Alsharbaty
Preparation and properties of barium-strontium titanate thin films
A Sigov, K Vorotilov and A Manochine
Characterisation of barium titanate based capacitors: influence of the frequency on the hysteresis loop
O Dejean, T Lebey, A Loubiere and B Ai
Diol and triol based sol-gel routes for PZT thin films
S Arscot, R E Miles, J D Kennedy and S J Milne
The behaviour of piezoelectric tubular structures for novel devices
J E Holmes, D H Pearce and T W Button
Preparation and stress evaluation of ferroelectric thin films of PZT based pyroelectric sensors
P Padmini, R Krawietz, R Kohler and G Gerlach
Additive-free ferroelectric thick films
D H Pearce and T W Button
Models for the poling behaviour of ferroelectric and nonferroelectric polymers
M Wegener, S Bauer and R Gerhard-Multhaupt
Study of the dielectric and ferroelectric properties of barium titanate deposited by RF magnetron sputtering
L Courselle, L Preda and B Despax
Processing and characterisation of sol-gel derived modified PbTio3 for ferroelectric composite applications
R Igreja, C J Dias and J N Marat-Mendes
Ferroelectric liquid crystal polymers as piezoelectric and pyroelectric sensors
A Bowles
Session 6
Chair: F Ainger
Paper 6.1
Anisotropic fracture and crack growth in piezoelectrics (Invited lecture)
J S Calderon-Moreno, F Guiu, M. Meredtih and M J Reece
The fabrication and testing of a piezoelectric transformer
G Cellucci, G Pirani, C Galasi, F Capiani, B E Watts, E Melioli and F Leccabue
Anisotropic properties of electric-field structured piezoelectric composite materials
S A Wilson and R W Whatmore
Session 7
Chair: S. Mahon
Paper 7.1
High field dielectric behaviour of ferroelectric ceramics
D A Hall (Invited lecture)
Paper 7.2Effect of processing techniques on the mechanical and dielectric properties of PMN-PT relaxor ferroelectrics
J C Fitzmaurice, A Mian, C Bowen, A Bowles, D Moloney and S W Mahon
Microwave dielectric properties of single crystal and polycrystalline TIO2
A Templeton, S J Penn, X Wang and N McNalford
Session 8
Chair: A Bell
Paper 8.1
Relaxor based ferroelectric single crystals with high piezoelectric performance (Invited lecture)
S-E Park and T R Shrout
The characterisation and modelling of electrostrictive ceramics for transducers
S Sherrit, G Catoui and D K Mukherjee
Ferroelectric hysteresis in systems of permanent dipoles: a computer simulation
N Farag and H Kliem
A constitutive law for the behaviour of ferroelectric ceramics
A C F Cocks and R M McMeeking
Session 9 - Second Poster Session
Paper 9.1
Dielectric relaxation studies of molecular aggregation in liquids: some salt solutions in comparison with a molten salt
R Elsebrock, A Galstjan and M Stockhausen
Dielectric and domain inversion studies of crystals of the KTIPOP4 family
T J Latham and P A Thomas
Some electrical properties of amorphous hydrogenated silicon-carbon films
G W Bak, M Wwlodarska, A Walkiewicz-Pietrzykowska, E Staryga and A M Wrobel
Comparison with theory of measurments of dielectric loss tangent in single crystals and polycrystalline materials
S C Dalla, N McNAlford, N N Ljepojevic, S J Penn, A Templeton and X Wang
Temperature dependence of pyroelectric coefficient in ferroelectric nylon11
L Ibos, C Maraval, A Bernes, C Lacabanne and J I Scheinbeim
Single point diamond turning maching of ferroelectric materials
P A Beltrao, J Corbett, A E Gee, R W Whatmore, C A Goat and S A Impey
Synthesis and characterisation of nanophase/low temperature sintering PZT powders
C P Williams and R W Whatmore
Pyroelectric films for IR sensor arrays
E Ph Pevstov, V V Chernokozhin, E G Elkin, M I Maleta, M A Pospelova and A S Sigov
Current versus voltage measurements in non linear ceramics
O Dejean, T Lebey, A Loubiere and B Ai
Using LFDS to characterise density and chain flexibility in powders and tablets
R Ek
Processing and electrical properties of lead zirconate titanate (PZT) ceramics from hydrothermally synthesised powders
B Su, D H Pearce, T W Button and C B Ponton
Low loss sintered dielectric microwave resonators
X Wang, A Templeton, S J Penn and N McNAlford
Measurement of the angular acceleration and position using PVDF and PTCa:P(VDF/TrFE) 65:35&
R Marat-Mendes, C J Dias and J N Marat-Mendes
Application of the dielectric relaxation spectroscopy to study a metal/polymer interfacial interaction
A Korzhenko, M Tabellout and J Emery
The use of micro- and macro-scopic dielectric tailoring to generate microwave photonic crystals
I Youngs, C Brewitt-Taylor, P Dimond, G Fixter, A Laight, P Lederer, P Roberts, T Shepherd and P Tapster
Improving the transverse actuation of piezoelectrics using interdigitated electrode patterns
A Bowles
Session 10
Chair: R Hill
Paper 10.1
Shear mode piezoelectric inkjet printing (Invited lecture)
A Condie
Microwave dielectrics (Invited lecture)
D Cannell
Properties of the microwave dielectric pahse Ba6-3xNd8+2xTi18O54
R Ubic, I M Reaney, W E Lee, J Samuels and E Evangelinos
Session 11
Chair: S Mahon
Paper 11.1
Controlled Magnetostrictive Actuation - present position and future projections (Invited lecture)
R D Greenough, R J E Smith, A G Jenner and A J Wilkinson
Composition dependence of magnetic and magnetomechanical properties of epoxy-bonded terfenol-D composites
J Hudson, S C Busbridge and A R Piercy
AC losses in rare earth-iron transducer materials
A Wharton and R D Greenough
Session 12
Chair: R Greenhough
Paper 12.1
Magnetostrictive materials for sensors and actuators (Invited lecture)
P T Squire
Magnetostriction transducers for ultrasonic power generation
A E Crawford
Transducers from amorphous magnetic materials
F Jerems, C MacMahon, A G Jenner and R D Greenough
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