Relaxation phenomena: liquid crystals, magnetic systems, polymers, high-Tc superconductors, metallic glasses
Gespeichert in:
| Format: | Buch |
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| Sprache: | English |
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Berlin
Springer
2003
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| Schlagworte: | |
| Online-Zugang: | Inhaltsverzeichnis |
| Beschreibung: | Includes bibliographical references and index |
| Beschreibung: | xxx, 716 p. ill. : 25 cm |
| ISBN: | 3540442693 |
Internformat
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| 245 | 1 | 0 | |a Relaxation phenomena |b liquid crystals, magnetic systems, polymers, high-Tc superconductors, metallic glasses |c W. Haase, S. Wróbel (eds.) |
| 264 | 1 | |a Berlin |b Springer |c 2003 | |
| 300 | |a xxx, 716 p. |b ill. : 25 cm | ||
| 336 | |b txt |2 rdacontent | ||
| 337 | |b n |2 rdamedia | ||
| 338 | |b nc |2 rdacarrier | ||
| 500 | |a Includes bibliographical references and index | ||
| 650 | 7 | |a Relaxation, Phénomènes de |2 ram | |
| 650 | 7 | |a chimie |2 inriac | |
| 650 | 7 | |a instrumentation |2 inriac | |
| 650 | 7 | |a matière condensée |2 inriac | |
| 650 | 7 | |a matériau |2 inriac | |
| 650 | 7 | |a mesure |2 inriac | |
| 650 | 7 | |a physique |2 inriac | |
| 650 | 7 | |a polymère |2 inriac | |
| 650 | 7 | |a relaxation |2 inriac | |
| 650 | 4 | |a Relaxation phenomena | |
| 650 | 0 | 7 | |a Relaxation |0 (DE-588)4049365-9 |2 gnd |9 rswk-swf |
| 689 | 0 | 0 | |a Relaxation |0 (DE-588)4049365-9 |D s |
| 689 | 0 | |5 DE-604 | |
| 700 | 1 | |a Haase, Wolfgang |e Sonstige |4 oth | |
| 700 | 1 | |a Wróbel, Stanisław |e Sonstige |4 oth | |
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Datensatz im Suchindex
| _version_ | 1804129985005355008 |
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| adam_text | W.HAASE - S.WROBEL (EDS.) RELAXATION PHENOMENA LIQUID CRYSTALS, MAGNETIC
SYSTEMS, POLYMERS, HIGH-T C SUPERCONDUCTORS, METALLIC GLASSES WITH 412
FIGURES AND 30 TABLES SPRINGER CONTENTS INTRODUCTION. RELAXATION
PHENOMENA IN PHYSICS AND CHEMISTRY 1 1 GENERAL REMARKS AND BASIC
FORMULAS 1 2 SELECTED EXAMPLES 3 2.1 DIELECTRIC RELAXATION 3 2.2
RELAXATION PROCESSES IN MAGNETIC SYSTEMS 5 2.3 SPIN-SPIN AND
SPIN-LATTICE RELAXATION 5 2.4 FAST CHEMICAL PROCESSES 6 2.5 NONLINEAR
DIELECTRIC BEHAVIOR 7 2.6 RELAXATION EFFECT IN ELECTROLYTES 8 3 TIME AND
FREQUENCY DOMAINS OF RELAXATION PROCESSES 8 REFERENCES 9 PART I
EXPERIMENTAL METHODS FOR INVESTIGATING RELAXATION PHENOMENA IN CONDENSED
MATTER 1 DIELECTRIC RELAXATION SPECTROSCOPY 13 1.1 FREQUENCY DOMAIN
DIELECTRIC SPECTROSCOPY 13 1.1.1 DIELECTRIC SPECTROSCOPY OF MOLECULAR
AND COLLECTIVE PROCESSES 13 COMPLEX DIELECTRIC PERMITTIVITY 13
DIELECTRIC SPECTROSCOPY OF LIQUID CRYSTALS 14 1.1.2 MACROSCOPIC MODELS
OF DIELECTRIC SPECTRA 15 DEBYE MODEL 15 COLE-COLE MODEL 20 HAVRILIAK
NEGAMI MODEL 21 1.1.3 RELAXATION FUNCTION AND DIELECTRIC SPECTRA 22
1.1.4 DIELECTRIC SPECTROMETER 23 APPARATUS 23 SAMPLE AND CELL
PREPARATION 23 VACUUM CONTROLLED EXPERIMENT 25 XII CONTENTS 1.1.5 A
SIMPLE MODEL OF MAXWELL-WAGNER RELAXATION 27 TWO LAYER DIELECTRIC 27
SHDR PROCESS 30 1.1.6 DIELECTRIC SPECTROSCOPY OF IONIC DIFFUSION 31
1.1.7 SUMMARY 32 REFERENCES 33 1.2 DIELECTRIC TIME DOMAIN SPECTROSCOPY
35 1.2.1 INTRODUCTION 35 1.2.2 FOURIER TRANSFORMATION 36 1.2.3 SINGLE
REFLECTION 37 1.2.4 THE TOTAL TRANSMISSION METHOD 40 1.2.5 THE OPEN
CIRCUIT TOTAL REFLECTION METHOD 44 1.2.6 ADMITTANCE ANALYSIS AND
BILINEAR CALIBRATION 46 1.2.7 CONCLUSION 50 REFERENCES 50 1.3 NONLINEAR
DIELECTRIC SPECTROSCOPY 51 1.3.1 INTRODUCTION 51 1.3.2 THEORETICAL
BACKGROUND OF THE NONLINEAR DIELECTRIC SPECTROSCOPY , 53 1.3.3
NONLINEAR DIELECTRIC RELAXATION IN NON-INTERACTING DIPOLAR SYSTEMS 57
1.3.4 NONLINEAR DIELECTRIC RELAXATION DUE TO CHEMICAL RATE PROCESSES IN
LIQUIDS 60 1.3.5 SUMMARY 70 REFERENCES 70 1.4 DIELECTRIC RELAXATION
PROCESSES IN CONDENSED MATTER UNDER PRESSURE 71 1.4.1 USEFULNESS OF HIGH
PRESSURE STUDIES AND THE EQUATION OF STATE 71 1.4.1.1 ESTABLISHMENT OF
PHASE DIAGRAMS 71 1.4.1.2 PVT MEASUREMENTS . 73 1.4.1.3 ENTROPY
SEPARATION 74 1.4.1.4 VOLUME DEPENDENCE OF THE CLEARING LINE 75 1.4.1.5
DENSITY DEPENDENCIES OF THE DIELECTRIC RELAXATION AND THE ORDER
PARAMETER 75 1.4.2 EXPERIMENTAL METHODS 75 1.4.3 DIELECTRIC RELAXATION
AND ACTIVATION QUANTITIES 78 1.4.4 SELECTED RESULTS 80 1.4.5 SUMMARY 84
REFERENCES 84 2 DYNAMIC SUSCEPTIBILITY OF MAGNETIC SYSTEMS 89 2.1
DYNAMIC SUSCEPTIBILITY OF PARAMAGNETIC AND EXCHANGE-COUPLED SPIN SYSTEMS
; . 89 2.1.1 INTRODUCTION ?. 89 CONTENTS XIII 2.1.2 MAGNETIC
SUSCEPTIBILITY IN ALTERNATING MAGNETIC FIELD . . 90 2.1.2.1 REAL AND
IMAGINARY COMPONENTS OF XAC 90 2.1.2.2 AC SUSCEPTOMETER 92 2.1.3
RELAXATION IN OSCILLATING MAGNETIC FIELD 92 2.1.4 RELAXATION PROCESSES
IN PARAMAGNETS 95 2.1.4.1 SPIN-LATTICE RELAXATION 95 2.1.4.2 SPIN-SPIN
RELAXATION 96 2.1.5 LONG-RANGE ORDERED MAGNETS 97 2.1.5.1 DYNAMICS OF
DOMAIN WALLS 97 2.1.5.2 LOSS MECHANISMS 98 2.1.6 SOME EXPERIMENTAL
RESULTS FOR FERRO-, FERRI- AND ANTIFERROMAGNETS 99 2.1.6.1 FERRITES 99
2.1.6.2 HARD MAGNETS 101 2.1.6.3 RARE EARTH METALS 101 2.1.6.4 WEAK
MAGNETS 104 2.1.7 SPIN-GLASSES AND SPIN-GLASS-LIKE MAGNETS 105 2.1.8
SUPERPARAMAGNETIC PARTICLES AND HIGH-SPIN MOLECULES . 108 2.1.9 SUMMARY
110 REFERENCES ILL 2.2 DYNAMIC SUSCEPTIBILITY IN HEAVY-FERMION SYSTEMS
AND RELATED MATERIALS PROBED BY ELECTRON SPIN RESONANCE 112 2.2.1
INTRODUCTION 112 2.2.2 ESR IN METALS 114 2.2.3 MICROSCOPIC PROBES FOR
THE DYNAMIC SUSCEPTIBILITY .... 116 2.2.4 THE KONDO LATTICES CEM 2 X 2
119 2.2.4.1 HEAVY FERMI LIQUID AND INTERMEDIATE VALENCE. 120 2.2.4.2
COMPETITION OF MAGNETISM AND HEAVY FERMI LIQUID 123 2.2.5 KONDO
INSULATORS 127 2.2.6 SUMMARY AND OUTLOOK 129 REFERENCES 132 3 RELAXATION
PHENOMENA IN HIGH-T C SUPERCONDUCTORS: EXPERIMENTAL METHODS AND RESULTS
137 3.1 INTRODUCTION 137 3.2 EXPERIMENTAL TECHNIQUES 138 3.2.1 MOSSBAUER
SPECTROSCOPY 138 3.2.1.1 ISOMER SHIFT 140 3.2.1.2 QUADRUPOLE SPLITTING
140 3.2.1.3 MAGNETIC HYPERFINE FIELD 140 3.2.1.4 RELAXATION PHENOMENA
141 3.2.2 /I+SR SPECTROSCOPY 142 3.2.3 NEUTRON TECHNIQUES 144 3.2.3.1
NEUTRON DIFFRACTION 145 3.2.3.2 INELASTIC NEUTRON SCATTERING 145 XIV
CONTENTS 3.3 EXPERIMENTAL RESULTS 146 3.3.1 LA2- A; SR A: CU04 COMPOUNDS
146 3.3.2 RBA2CU3C 6+D COMPOUNDS (R = RARE EARTH METALS AND Y) 148 3.3.3
YI_ X CAJ;BA2CU3O6+D COMPOUNDS 155 3.4 SUMMARY 157 REFERENCES 157 PART
II RELAXATION PHENOMENA IN LIQUID CRYSTALS 4 NON-CHIRAL CALAMITIC LIQUID
CRYSTALS 163 4.1 INTRODUCTION TO DIELECTRIC RELAXATION IN ANISOTROPIC
FLUIDS 163 4.1.1 ISOTROPIC FLUIDS 163 4.1.2 ANISOTROPIC FLUIDS 168 4.1.3
NEMATIC LIQUID CRYSTALS 174 4.1.4 CONCLUSIONS 178 REFERENCES 180 4.2
MOLECULAR ROTATIONS IN LIQUID CRYSTALS ( AS SEEN BY THE DIELECTRIC
SPECTROSCOPY METHOD 181 4.2.1 INTRODUCTION 181 4.2.2 RIGID ROD-LIKE
MOLECULES IN THE NEMATIC MEDIUM 183 4.2.3 LOW FREQUENCY RELAXATION
PROCESS IN THE NEMATIC PHASE AND THE ORDER PARAMETER 185 4.2.4 MOLECULAR
ROTATIONS AROUND THE LONG AXES. INFLUENCE OF MOLECULE FLEXIBILITY 192
4.2.5 RELAXATION IN THE SMECTIC PHASES 195 4.2.6 INFLUENCE OF PRESSURE
ON THE RELAXATION PROCESSES IN LC PHASES 198 4.2.7 SUMMARY 202
REFERENCES 202 4.3 COMPUTER SIMULATIONS OF POLAR LIQUID CRYSTALS 204
4.3.1 INTRODUCTION 204 4.3.2 LIQUID CRYSTALLINE PHASES AND DIPOLAR
ORDERING 205 4.3.3 MODELS OF INTERACTING LIQUID CRYSTALLINE MOLECULES
208 4.3.3.1 PAIR POTENTIALS FOR LIQUID CRYSTALLINE MOLECULES 209 4.3.3.2
GAY-BERNE PAIR POTENTIAL 211 4.3.4 COMPUTER SIMULATIONS WITH DIPOLES 216
4.3.4.1 EWALD SUMMATION TECHNIQUE FOR DIPOLAR INTERACTIONS 217 4.3.4.2
REACTION FIELD METHOD 219 4.3.4.3 FURTHER COMPUTATIONAL DETAILS 221
4.3.5 STRUCTURE ANALYSIS 221 CONTENTS XV 4.3.5.1 SINGLET DISTRIBUTION
FUNCTIONS AND ORDER PARAMETERS 222 4.3.5.2 PAIR DISTRIBUTION FUNCTIONS
224 4.3.5.3 THREE-BODY DISTRIBUTION FUNCTIONS 226 4.3.6 HARD PARTICLES
WITH DIPOLES 227 4.3.7 DIPOLAR GAY-BERNE SYSTEMS 227 4.3.7.1 CENTRAL
DIPOLE MOMENTS 228 4.3.7.2 INTERMEDIATE AND TERMINAL DIPOLE MOMENTS . .
231 4.3.8 TOWARDS REALISTIC SIMULATIONS 233 REFERENCES 233 4.4
DIELECTRIC PROPERTIES OF LIQUID CRYSTALLINE POLYSILOXANE DOPED WITH
DICHROIC DYE 236 4.4.1 INTRODUCTION 236 4.4.2 PROBE PREPARATION AND
THERMODYNAMICAL DATA 238 4.4.3 DIELECTRIC RELAXATION 242 4.4.3.1
EXPERIMENTAL TECHNIQUE 242 4.4.3.2 DIELECTRIC RELAXATION IN PURE PS6 244
4.4.3.3 DIELECTRIC RELAXATION OF PS6 DOPED WITH DICHROIC DYE 248 4.4.3.4
DIELECTRIC RELAXATION PARAMETERS 250 4.4.4 SUMMARY AND CONCLUSIONS 252
REFERENCES 253 FERRO- AND ANTIFERROELECTRIC LIQUID CRYSTALS 257 5.1
MODELING OF FERROELECTRIC AND ANTIFERROELECTRIC LIQUID CRYSTALS . . .
257 5.1.1 INTRODUCTION 257 5.1.2 PHENOMENOLOGICAL MODELS OF
FERROELECTRIC LIQUID CRYSTALS 258 5.1.3 PHENOMENOLOGICAL MODELS OF
ANTIFERROELECTRIC LIQUID CRYSTALS 261 5.1.4 DISCRETE MODELS 263 5.1.5
DISCRETE PHENOMENOLOGICAL MODEL OF ANTIFERROELECTRIC LIQUID CRYSTALS 265
5.1.5.1 INTRA-LAYER INTERACTIONS 265 5.1.5.2 INTERACTIONS BETWEEN
NEAREST LAYERS (NN) .... 266 5.1.5.3 INTERACTIONS WITH NEXT NEAREST
LAYERS (NNN) . 270 5.1.5.4 FREE ENERGY 271 5.1.5.5 STRUCTURES AND PHASE
SEQUENCES 272 5.1.6 SUMMARY 273 REFERENCES 273 5.2 SWITCHING PROCESSES
IN FERROELECTRIC LIQUID CRYSTALS: THEORETICAL ASPECTS 274 5.2.1
INTRODUCTION 274 5.2.2 POLARIZATION REVERSAL IN THICK FILMS 275 XVI
CONTENTS 5.2.2.1 NON-STATIONARY SOLUTION FOR APPLIED DC ELECTRIC FIELD
275 5.2.2.2 NON-STATIONARY SOLUTIONS FOR APPLIED AC ELECTRIC FIELD 276
5.2.3 HIGH FREQUENCY SWITCHING OF THE FERROELECTRIC WITH A DEFORMED
HELIX 278 5.2.4 BISTABILITY IN CONFINED FERROELECTRIC FILMS 280 5.2.5
INCLINATIONS OF SMECTIC PLANES AND DISLOCATION WALLS . . . 283 5.2.6
FERROELECTRIC DOMAINS IN THE SMECTIC-C* FILMS 286 5.2.7 RELAXATION
FREQUENCIES AND STRENGTHS OF THE DOMAIN MODES 288 5.2.7.1 RELAXATION
FREQUENCIES OF THE BULK AND SURFACE MODES 288 5.2.7.2 RELAXATION
STRENGTHS OF THE BULK AND SURFACE MODES 289 5.2.7.3 ELIMINATION OF THE
FERROELECTRIC DOMAINS BY A STRONG FIELD 291 5.2.7.4 SURFACE
ORIENTATIONAL RELAXATION IN THE FERROELECTRIC SMECTIC 291 5.2.8 PROBLEM
OF HYSTERESIS-FREE ELECTRO-OPTICAL SWITCHING. . . . 293 5.2.8.1
OBSERVATIONS AND MODELS OF THE V-SHAPED ELECTRO-OPTICAL SWITCHING 293
5.2.8.2 BASIC EQUATIONS AND ASSUMPTIONS 296 5.2.8.3 SWITCHING OF THE
CELL WITH A LOW CONDUCTIVITY FLC AND AN ADDITIONAL LOW RESISTANCE 298
5.2.8.4 HYSTERESIS-FREE SWITCHING FOR HIGH FREQUENCY VOLTAGE APPLIED TO
THE CELL 301 5.2.9 CONCLUSIONS 307 REFERENCES 308 5.3 DIELECTRIC
PROPERTIES OF FERROELECTRIC LIQUID CRYSTALS IN FINITE SAMPLES AND NEAR
THE TRANSITIONS TO THE HEXATIC PHASES 309 5.3.1 INTRODUCTION 309 5.3.2
DIELECTRIC RESPONSE OF SMC* PHASE IN PLANAR SAMPLES. . 310 5.3.2.1
PHENOMENOLOGICAL DESCRIPTION OF HELICOIDAL AND TWISTED STRUCTURES 311
5.3.2.2 DYNAMIC DIELECTRIC RESPONSE 312 5.3.2.3 PINNED SMA PHASE 315
5.3.2.4 EXPERIMENTAL RESULTS 316 5.3.2.5 CONCLUSIONS 320 5.3.3
DIELECTRIC BEHAVIOR OF FERROELECTRIC AND ANTIFERRO- ELECTRIC LIQUID
CRYSTALS NEAR THE TRANSITION TO THE HEXATIC PHASES 320 5.3.3.1 SIMPLE
PHENOMENOLOGICAL DESCRIPTION 321 5.3.3.2 PROPERTIES OF MODES FOUND
EXPERIMENTALLY IN FERROELECTRIC MATERIALS 327 CONTENTS XVII 5.3.3.3
TRANSITION TO THE HEXATIC PHASE IN ANTIFERROELECTRIC LIQUID CRYSTALS 328
5.3.4 SUMMARY 330 REFERENCES 331 5.4 SYSTEMS WITH COMPETING
SYNCLINIC-ANTICLINIC INTERACTIONS 332 5.4.1 INTRODUCTION 332 5.4.2
THEORETICAL MODELLING 333 5.4.2.1 FREE ENERGY 334 5.4.2.2 STABLE PHASES
AND THEIR STRUCTURES 336 5.4.3 EXPERIMENT 341 5.4.3.1 PHASE TRANSITIONS
342 5.4.3.2 STRUCTURE AND PROPERTIES 343 5.4.3.3 GENERAL PHASE DIAGRAM
FOR THE ANTIFERROELECTRIC SYSTEM 352 5.4.4 COMPARISON OF THEORETICAL
RESULTS AND EXPERIMENTAL OBSERVATIONS 353 5.4.5 CONCLUSIONS 358
REFERENCES 358 5.5 DIELECTRIC STUDY OF COLLECTIVE AND MOLECULAR DYNAMICS
IN GLASS-FORMING CHIRAL LOW-MOLECULAR-WEIGHT LIQUID CRYSTALS .... 361
5.5.1 INTRODUCTION 361 5.5.2 EXPERIMENTAL 362 5.5.3 RESULTS AND
DISCUSSION 363 5.5.4 SUMMARY AND CONCLUSIONS 374 REFERENCES 375 5.6
DIELECTRIC PROPERTIES AND SWITCHING PROCESSES IN FERROELECTRIC LIQUID
CRYSTALS BASED COMPOSITES 376 5.6.1 INTRODUCTION 376 5.6.2
MICROSTRUCTURES OF FLC BASED COMPOSITES 377 5.6.2.1 STRUCTURES AND
PREPARATION OF MFLC 377 5.6.2.2 PREPARATION OF PDFLC FILMS AND
STRUCTURES OF FLC DROPLETS 378 5.6.3 ELECTROOPTICS OF PDFLC FILMS 381
5.6.3.1 ELECTROOPTICAL MODULATION DUE TO ELECTRICALLY CONTROLLED LIGHT
SCATTERING EFFECT 381 5.6.3.2 SATURATION VOLTAGE OF PDFLC FILMS 387
5.6.3.3 DYNAMICS OF ELECTROOPTIC RESPONSE OF PDFLC FILMS . . . 390 5.6.4
EFFECTS OF CONFINED GEOMETRY IN MFLC AND PDFLC ... 393 5.6.4.1
DIELECTRIC PROPERTIES OF MFLC, PDFLC AND BULK FLC 393 5.6.4.2 BASIC
PARAMETERS OF CONFINED FLC S 396 5.6.5 SUMMARY 397 REFERENCES 398 XVIII
CONTENTS 5.7 DIELECTRIC BEHAVIOR OF PHASES FORMED BY BENT-SHAPED
MOLECULES 400 5.7.1 INTRODUCTION 400 5.7.1.1 GENERAL REMARKS 400 5.7.1.2
DIELECTRIC MEASUREMENTS 403 5.7.2 THE B 1 PHASE 404 5.7.3 THE B 2 PHASE
407 5.7.4 THE CP A PHASE 412 5.7.5 THE B 3 PHASE 413 5.7.6 THE B 4 PHASE
414 5.7.7 THE B 5 PHASE 415 5.7.8 THE B 6 PHASE 416 5.7.9 THE B 7 PHASE
417 5.7.10 THE TRANSITION BETWEEN CLASSICAL AND BANANA PHASES .. 418
5.7.11 SUMMARY 420 REFERENCES 421 5.8 ELECTROOPTICAL STUDIES OF
RELAXATION PROCESSES IN FERROELECTRIC LIQUID CRYSTALS 422 5.8.1
INTRODUCTION 422 5.8.2 THE COUPLING BETWEEN THE ELECTRIC FIELD AND THE
SPONTANEOUS POLARIZATION 423 5.8.2.1 DEFORMATION OF A HELICAL SMECTIC
LIQUID CRYSTAL425 5.8.3 FERROELECTRIC LIQUID CRYSTALS IN WEAK ELECTRIC
FIELDS 427 5.8.3.1 DIELECTRIC RESPONSE 427 5.8.3.2 OPTICAL RESPONSE .428
5.8.3.3 CORRELATION BETWEEN THE DIELECTRIC AND ELECTROOPTIC RESPONSES
432 5.8.4 ANTIFERROELECTRIC LIQUID CRYSTALS IN THE ELECTRIC FIELD ....
433 5.8.4.1 OPTICAL RESPONSE 434 5.8.4.2 ANGULAR DEPENDENCE 436 5.8.4.3
SEPARATION OF THE SECOND HARMONIC COMPONENTS 437 5.8.5 FREQUENCY
DEPENDENCE 438 5.8.6 EXPERIMENTAL PROCEDURES 440 5.8.7 COMPARISON OF
DIELECTRIC AND ELECTROOPTIC METHODS .... 441 5.8.8 SUMMARY 443
REFERENCES 443 5.9 INFRARED STUDIES OF THE ORIENTATIONAL ORDER AND
DYNAMICS OF MOLECULES IN FERROELECTRIC AND ANTIFERROELECTRIC LIQUID
CRYSTALS . . 445 5.9.1 INTRODUCTION 445 5.9.2 DETERMINATION OF THE
ABSORBANCE PROFILE AND THE SEGMENTAL TILT ANGLE OF THE MOLECULE 446
5.9.3 EFFECT OF ELECTRIC FIELD IN THE SMC* PHASE 449 5.9.4 CALCULATIONS
OF THE ABSORBANCE COMPONENTS AND OF THE DISTRIBUTION FUNCTION 451
5.9.4.1 UNIAXIAL PHASE 452 CONTENTS XIX 5.9.4.2 FERROELECTRIC PHASE - A
MODEL WITH THE TILT FLUCTUATION 453 5.9.4.3 BIASED ROTATION OF THE
12OBBB8 MOLECULE IN IN THE SMC*^ AND SMC* PHASES 454 5.9.4.4
ANTIFERROELECTRIC AND FERROELECTRIC PHASE - A MODEL WITH TILT AND PHASE
FLUCTUATION 457 5.9.5 DYNAMICS OF THE ELECTRIC FIELD INDUCED MOLECULAR
REORIENTATION 462 5.9.6 SUMMARY 466 REFERENCES 467 5.10 ON THE
DIELECTRIC RELAXATION IN THE ANTIFERROELECTRIC PHASE AND SUB-PHASE ALPHA
468 5.10.1 INTRODUCTION 468 5.10.2 EXPERIMENTAL 469 5.10.3 DIELECTRIC
STUDIES 470 5.10.3.1 STATIC DIELECTRIC PERMITTIVITY 470 5.10.3.2
EVIDENCE OF SMA*, SMC* AND SMC* PHASES .471 5.10.3.3 SUBSTANTIATION OF
THE SMC^ PHASE 477 5.10.4 CONCLUSIONS 483 REFERENCES 484 5.11 DIELECTRIC
AND ELECTROOPTIC STUDIES OF MHPOBC ANALOGUES .... 485 5.11.1
INTRODUCTION 485 5.11.2 CALORIMETRIC AND DIELECTRIC STUDIES 489 5.11.2.1
PHASE TRANSITIONS 490 5.11.2.2 DIELECTRIC PROPERTIES 492 5.11.2.3 BIAS
FIELD INFLUENCE ON THE DIELECTRIC SPECTRA . . 495 5.11.2.4 DATA
PROCESSING OF THE DIELECTRIC SPECTRA AND DISCUSSION 497 5.11.3
DISCUSSION OF COLLECTIVE AND MOLECULAR PROCESSES 500 5.11.4 SOME ASPECTS
OF ELECTRICAL AND OPTICAL BEHAVIOR 501 5.11.4.1 REVERSAL CURRENT METHOD
502 5.11.4.2 SPONTANEOUS POLARIZATION 502 5.11.4.3 TILT ANGLE 505
5.11.4.4 CRITICAL VOLTAGE 506 5.11.5 SUMMARY 506 REFERENCES 507 6
CALAMITIC AND DISCOTIC METALLOMESOGENS 511 6.1 DIELECTRIC STUDY OF
SMECTIC AND COLUMNAR FERROELECTRIC METALLOMESOGENS 511 6.1.1
INTRODUCTION 511 6.1.2 EXPERIMENTAL 513 6.1.3 RESULTS AND DISCUSSION 514
6.1.3.1 CALAMITIC COMPOUNDS 514 6.1.3.2 DISCOTIC COMPOUNDS 522 XX
CONTENTS 6.1.4 SUMMARY AND CONCLUSIONS 528 REFERENCES 529 6.2 RELAXATION
PROCESSES IN COLUMNAR PHASES OF VANADYL COMPLEXES 530 6.2.1 INTRODUCTION
530 6.2.2 THERMOANALYTICAL, STRUCTURAL AND MAGNETIC INVESTIGATIONS 532
6.2.2.1 DSC AND POLARIZING OPTICAL MICROSCOPY 532 6.2.2.2 X-RAY
DIFFRACTOMETRY 534 6.2.2.3 MAGNETIC PROPERTIES 535 6.2.3 DIELECTRIC AND
ELECTROOPTICAL INVESTIGATION 537 6.2.3.1 EXPERIMENTAL 537 DIELECTRIC
SPECTROSCOPY 537 ELECTROOPTICAL MEASUREMENTS 538 6.2.3.2 RESULTS AND
DISCUSSION 539 CONDUCTIVITY 539 DIELECTRIC RELAXATION PROCESSES 539
REVERSAL CURRENT AND SWITCHING EXPERIMENTS . . 543 6.2.4 SUMMARY 543
REFERENCES 546 PART III SPECIAL ASPECTS OF RELAXATION PHENOMENA IN
MAGNETIC SYSTEMS 7 MAGNETIC PROPERTIES AND ESR BEHAVIOR OF SOME
MOLECULAR COMPOUNDS CONTAINING COPPER(II) TRIMERS WITH THE QUARTET SPIN
GROUND STATE 549 7.1 INTRODUCTION 549 7.2 REVIEW OF USED EXPERIMENTAL
METHODS 550 7.3 RESULTS AND DISCUSSION 551 7.3.1 MAGNETIC STUDIES 551
7.3.1.1 LINEAR TRIMERS 551 7.3.1.2 NONLINEAR TRIMERS 554 7.3.2 ESR
STUDIES OF COMPOUNDS WITH LINEAR TRIMERS 558 7.4 SUMMARY 566 REFERENCES
567 8 MAGNETIC PROPERTIES AND RELAXATIONS PROCESSES IN
MANGANESE(III)-PORPHYRINS-TCNE-SYSTEMS . . 569 8.1 INTRODUCTION 569 8.2
EXPERIMENTAL 572 8.3 RESULTS 573 8.4 DISCUSSION 581 8.5 SUMMARY R. . .
T. 583 REFERENCES 584 CONTENTS XXI 9 DIPOLAR INTERACTION AND
THREE-DIMENSIONAL MAGNETIC ORDERING OF SOME CHAIN AND LAYERED COMPOUNDS
587 9.1 INTRODUCTION 587 9.2 SELECTED EXPERIMENTAL RESULTS 589 9.2.1
MN-PORPHYRIN BASED CHARGE-TRANSFER COMPLEXES 589 9.2.2 HYDROXIDE-BASED
LAYERED COMPOUNDS 591 9.3 MODEL FOR THE DIPOLAR INTERACTION BETWEEN
FERRIMAGNETIC CHAINS OR LAYERS 594 9.3.1 CHAIN COMPOUNDS WITH VERY LARGE
INTERCHAIN SPACING . . 595 9.3.2 LAYERED COMPOUNDS WITH VERY LARGE
INTERLAYER SPACING. 602 9.3.3 CONCLUSIONS ABOUT THE MODEL 606 9.4
SUMMARY 606 REFERENCES 607 10 ELECTRON DELOCALIZATION IN DIMERIC
MIXED-VALENCE SYSTEMS . 609 10.1 INTRODUCTION 609 10.2 ELECTRONIC
INTERACTIONS 609 10.3 VIBRONIC INTERACTIONS: PKS MODEL 611 10.4 YIBRONIC
INTERACTIONS: PIEPHO TYPE OF VIBRATIONS 614 10.5 MV IRON DIMER IN THE
PRESENCE OF BOTH TYPES OF VIBRATIONS 615 10.5.1 MODEL 615 10.5.2
ANALYSIS. INTERVALENCE ABSORPTION BAND 619 10.5.3 MAGNETIC BEHAVIOR 623
10.6 SUMMARY 625 REFERENCES 626 PART IV RELAXATION PHENOMENA IN HIGH-T C
SUPERCONDUCTING SYSTEMS, NONLINEAR OPTICAL POLYMERS AND METALLIC GLASSES
11 HIGH-T C SUPERCONDUCTORS 629 11.1 SUPERCONDUCTIVITY SUPPRESSION AND
CRITICAL CURRENTS IN THE RI_ X PR :C BA2CU3O7- ( 5 SYSTEMS (R = HO, Y)
629 11.1.1 INTRODUCTION 629 11.1.2 EXPERIMENTAL 630 11.1.3 ELECTRICAL
RESISTANCE STUDY AND DISCUSSION OF THE MECHANISM OF THE
SUPERCONDUCTIVITY SUPPRESSION 630 11.1.4 AC MAGNETIC SUSCEPTIBILITY
STUDIES 633 11.1.4.1 INTERGRAIN CRITICAL CURRENTS 635 11.1.4.2 STUDY OF
THE FLUX CREEP 636 11.1.5 HYSTERESIS LOOPS AND INTRAGRANULAR CRITICAL
CURRENT .... 638 11.1.6 CONCLUDING REMARKS 640 REFERENCES 641 11.2
VORTEX DYNAMICS AND MAGNETIC RELAXATION IN HIGH-T C SUPERCONDUCTORS 642
XXII CONTENTS 11.2.1 INTRODUCTION 642 11.2.1.1 ABRIKOSOV FLUX LINE
LATTICE 642 11.2.1.2 VORTICES IN LAYERED HTSC 643 11.2.2 DYNAMICS OF
VORTICES 645 11.2.2.1 FLUX CREEP 645 11.2.2.2 THE CRITICAL STATE 646
11.2.2.3 RELAXATION EFFECTS IN HYSTERESIS LOOP 647 11.2.3 LOGARITHMIC
DEPENDENCE OF MAGNETIZATION ON TIME FOR LIMITED H, T AND T 649 11.2.3.1
TAFM MODEL, LINEAR U(J) 649 11.2.3.2 MAGNETIZATION RELAXATION RATE 650
11.2.4 NON-LOGARITHMIC MAGNETIZATION DECAY FOR EXTENDED H , T AND T 653
11.2.4.1 NON-LINEAR U(J) 653 11.2.4.2 COLLECTIVE FLUX CREEP MODEL 655
11.2.5 COMPLEX AC SUSCEPTIBILITY OF HT C SUPERCONDUCTORS ... 657
11.2.5.1 INTRA- AND INTERGRANULAR CONTRIBUTIONS TO X AND X 657
11.2.5.2 FREQUENCY DEPENDENCE AND FLUX CREEP AT GRAIN BOUNDARIES 659
11.2.5.3 AC RESPONSE IN STRONG DC MAGNETIC FIELD .... 661 11.2.6 SUMMARY
662 REFERENCES 663 12 RELAXATION PHENOMENA IN NONLINEAR OPTICAL POLYMERS
667 12.1 INTRODUCTION 667 12.2 PHYSICAL BACKGROUND 668 12.2.1 NLO
SUSCEPTIBILITY AND EFFECTS 668 12.2.2 ORGANIC NLO MATERIALS 669 12.2.3
POLED NLO POLYMERS 669 12.2.4 STARK EFFECT (ELECTROABSORPTION) 670
12.2.5 PIEZOELECTRIC EFFECT 672 12.3 THE STABILITY OF POLAR ORDER AFTER
POLING 673 12.3.1 EXPERIMENTAL METHODS 673 12.3.2 THE RELAXATION OF SHG
AND ACOUSTOELECTRIC RESPONSE . . 676 12.3.3 DISCUSSION OF POLING
STABILITY 678 12.4 ELECTROABSORPTION SPECTROSCOPY AS A TOOL FOR
RELAXATION MEASUREMENTS . . 682 12.4.1 EXPERIMENTAL TECHNIQUE R 682
12.4.2 ELECTROABSORPTION SPECTROSCOPY WITH VARIABLE MODULATION FREQUENCY
683 12.4.3 INTERNAL ELECTRIC FIELD IN NLO FILMS 687 12.5 SUMMARY 689
REFERENCES 690 CONTENTS XXIII 13 RELAXATION PROCESSES IN TWO- AND
THREE-COMPONENT METALLIC GLASSES 693 13.1 INTRODUCTION 693 13.2
DESCRIPTION OF THE RELAXATION PHENOMENA 695 13.3 EXPERIMENTAL 697 13.4
RESULTS AND DISCUSSION 699 13.5 SUMMARY AND CONCLUSION 704 REFERENCES
705 INDEX 707
|
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| dewey-search | 530.4/16 |
| dewey-sort | 3530.4 216 |
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| id | DE-604.BV017109910 |
| illustrated | Illustrated |
| indexdate | 2024-07-09T19:13:50Z |
| institution | BVB |
| isbn | 3540442693 |
| language | English |
| lccn | 2003050473 |
| oai_aleph_id | oai:aleph.bib-bvb.de:BVB01-010317165 |
| oclc_num | 51481701 |
| open_access_boolean | |
| owner | DE-703 DE-384 DE-634 DE-11 |
| owner_facet | DE-703 DE-384 DE-634 DE-11 |
| physical | xxx, 716 p. ill. : 25 cm |
| publishDate | 2003 |
| publishDateSearch | 2003 |
| publishDateSort | 2003 |
| publisher | Springer |
| record_format | marc |
| spelling | Relaxation phenomena liquid crystals, magnetic systems, polymers, high-Tc superconductors, metallic glasses W. Haase, S. Wróbel (eds.) Berlin Springer 2003 xxx, 716 p. ill. : 25 cm txt rdacontent n rdamedia nc rdacarrier Includes bibliographical references and index Relaxation, Phénomènes de ram chimie inriac instrumentation inriac matière condensée inriac matériau inriac mesure inriac physique inriac polymère inriac relaxation inriac Relaxation phenomena Relaxation (DE-588)4049365-9 gnd rswk-swf Relaxation (DE-588)4049365-9 s DE-604 Haase, Wolfgang Sonstige oth Wróbel, Stanisław Sonstige oth HEBIS Datenaustausch Darmstadt application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=010317165&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Relaxation phenomena liquid crystals, magnetic systems, polymers, high-Tc superconductors, metallic glasses Relaxation, Phénomènes de ram chimie inriac instrumentation inriac matière condensée inriac matériau inriac mesure inriac physique inriac polymère inriac relaxation inriac Relaxation phenomena Relaxation (DE-588)4049365-9 gnd |
| subject_GND | (DE-588)4049365-9 |
| title | Relaxation phenomena liquid crystals, magnetic systems, polymers, high-Tc superconductors, metallic glasses |
| title_auth | Relaxation phenomena liquid crystals, magnetic systems, polymers, high-Tc superconductors, metallic glasses |
| title_exact_search | Relaxation phenomena liquid crystals, magnetic systems, polymers, high-Tc superconductors, metallic glasses |
| title_full | Relaxation phenomena liquid crystals, magnetic systems, polymers, high-Tc superconductors, metallic glasses W. Haase, S. Wróbel (eds.) |
| title_fullStr | Relaxation phenomena liquid crystals, magnetic systems, polymers, high-Tc superconductors, metallic glasses W. Haase, S. Wróbel (eds.) |
| title_full_unstemmed | Relaxation phenomena liquid crystals, magnetic systems, polymers, high-Tc superconductors, metallic glasses W. Haase, S. Wróbel (eds.) |
| title_short | Relaxation phenomena |
| title_sort | relaxation phenomena liquid crystals magnetic systems polymers high tc superconductors metallic glasses |
| title_sub | liquid crystals, magnetic systems, polymers, high-Tc superconductors, metallic glasses |
| topic | Relaxation, Phénomènes de ram chimie inriac instrumentation inriac matière condensée inriac matériau inriac mesure inriac physique inriac polymère inriac relaxation inriac Relaxation phenomena Relaxation (DE-588)4049365-9 gnd |
| topic_facet | Relaxation, Phénomènes de chimie instrumentation matière condensée matériau mesure physique polymère relaxation Relaxation phenomena Relaxation |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=010317165&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
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