Physical properties of the low-dimensional A[superscript]3B[superscript]6 and A[superscript]3B[superscript]3C[superscript]6[subscript]2 compounds / Alexander M. Panich and Rauf M. Sardarly.

Format:

Book

Author/Creator:

Panich, Alexander M. lat

Contributor:

Sardarly, Rauf M.

Series:

Condensed matter research and technology series.

Condensed matter research and technology series

Language:

English

Subjects (All):

Low-dimensional semiconductors.

Chalcogenides--Electric properties.

Chalcogenides.

Lattice dynamics.

Ferroelectricity.

Physical Description:

1 online resource (301 p.)

Edition:

1st ed.

Place of Publication:

New York : Nova Science Publishers, c2010.

Language Note:

English

Summary:

The authors present a monograph on electronic properties, lattice dynamics and phase transitions in TlX and TlMX2 compounds. It features new perspectives in studying and application of the aforementioned semiconductors are considers.

Contents:

Intro

PHYSICAL PROPERTIES OF THE LOW-DIMENSIONAL A3B6 AND A3B3C62COMPOUNDS

CONTENTS

PREFACE

ACKNOWLEDGMENTS

Chapter 1 CRYSTAL STRUCTURE AT AMBIENT CONDITIONS

REFERENCES

Chapter 2 TRANSPORT PROPERTIES UNDER AMBIENT CONDITIONS

Chapter 3 EXPERIMENTAL STUDIES OF THE ELECTRONIC STRUCTURE

3.1. PHOTOEMISSION MEASUREMENTS

3.2. NUCLEAR MAGNETIC RESONANCE MEASUREMENTS

3.2.1. NMR in Thallium Compounds

3.2.2. Indirect Nuclear Exchange in Chain-Type Compounds

3.2.3. Indirect Nuclear Exchange in Layered Compounds

3.2.4. Wave Function Overlap and Electronic Structure

Chapter 4 BAND STRUCTURE CALCULATIONS

4.1. BAND STRUCTURE CALCULATIONS OF THE CHAIN-TYPE COMPOUNDS

4.2. BAND STRUCTURE CALCULATIONS OF THE LAYER-TYPE COMPOUNDS

Chapter 5 TRANSPORT PROPERTIES AND SEMICONDUCTOR-METAL PHASE TRANSITIONS UNDER HIGH PRESSURE

5.1. TETRAGONAL (CHAIN-TYPE) CRYSTALS UNDER HIGH PRESSURE

5.2. LAYERED CRYSTALS UNDER HIGH PRESSURE

Chapter 6 PHASE TRANSITIONS IN CHAIN-TYPE CRYSTALS UNDER AMBIENT PRESSURE

6.1. TlSe AND TlS COMPOUNDS WITH THE CHAIN-TYPE STRUCTURE

6.2. CHAIN-TYPE TlInSe2 CRYSTAL

6.3. CHAIN-TYPE TlInTe2 CRYSTAL

6.4. PHASE TRANSITIONS AND INCOMMENSURABILITY IN TlGaTe2

6.5. PEIERLS DISTORTION AND PHASE TRANSITION IN TlTe

Chapter 7 FERROELECTRIC PHASE TRANSITIONS AND INCOMMENSURATE STATES IN LAYERED CRYSTALS

7.1. LAYERED TlS CRYSTAL

7.2. TERNARY LAYERED COMPOUNDS TlInS2, TlGaSe2, AND TlGaS2

7.2.1. Phase Transitions and Incommensurability in TlInS2

7.2.2. Optical Second Harmonic Generation in TlInS2

7.2.3. Phase Transitions and Incommensurability in TlGaSe2

7.2.4. Polymorphism of TlGaSe2 and TlInS2.

7.2.5. Search of Phase Transitions in TlGaS2

7.2.6. Phase Transitions in Mixed Layered Crystals

7.3. ELECTRONIC ORIGIN OF PHASE TRANSITIONS IN THE LAYERED CRYSTALS

Chapter 8 RELAXOR BEHAVIOR AND NANODOMAIN STRUCTURE OF DOPED AND IRRADIATED TLINS2 CRYSTALS

8.1. INTRODUCTION

8.2. RELAXOR PROPERTIES OF DOPED TlInS2 CRYSTALS

8.3. RELAXOR PROPERTIES AND ELECTRICAL CONDUCTIVITY OF -IRRADIATED TlInS2 CRYSTALS

Chapter 9 LATTICE DYNAMICS IN A3B6 AND A3B3C62 COMPOUNDS WITH TLSE-TYPE STRUCTURE

9.1. INELASTIC NEUTRON SCATTERING IN TlSe

9.1.1. Inelastic Coherent Neutron Scattering in TlSe

9.1.2. Density of Phonon States in TlSe

9.2. TWO-PHONON ABSORPTION AND DISPERSION SPECTRA IN CRYSTALS WITH TlSe-TYPE STRUCTURE

9.3. INVESTIGATION OF DENSITY FUNCTION OF VIBRATION STATES IN TlSe AND TlS CRYSTALS BY MEANS OF RAMAN SPECTROSCOPY

9.3.1. Density Function of Phonon States within Molecular Phonons

9.3.2. Spectral Function of Completely Symmetric Two-Phonon States and Function of Density of Single-Phonon States in TlSe and TlS

9.3.3. Features of the DOS Function in the Spectrum of A1g-Vibrations in Solid Solutions TlSxSe1-x.

Chapter 10 VIBRATION SPECTRA OF MIXED CRYSTALS (SOLID SOLUTIONS) OF A3B6 AND A3B3C62COMPOUNDS

10.1. INTRODUCTION

10.2. VIBRATION SPECTRA OF SOLID SOLUTIONS TlSxSe1-x

10.2.1. Group-Theoretical Analysis of Phonons of the Center of Brillouin Zone of TlSe

10.2.2. Raman Spectra

10.2.3. IR Reflection Spectra and the Model of Uniform Displacements

10.2.4. Green Function Method and Vibration Spectrum of Solid Solutions TlSxSe1-x

10.3. VIBRATION SPECTRA AND STRUCTURAL PHASE TRANSITIONS IN SOLID SOLUTIONS TlGa1-xInxSe2

10.3.1. Raman Spectra

10.3.2. IR Reflection Spectra

10.4. OPTICAL PHONONS IN MIXED CRYSTALS TlInSe2(1-x)S2x.

10.4.1. Raman Spectra

10.4.2. IR Reflection Spectra

10.5. VIBRATION SPECTRA OF MIXED CRYSTALS (TlGaSe2)x(TlInS2)1-x

10.5.1. Raman Spectra

10.5.2. IR Reflection Spectra

10.6. ANGULAR DEPENDENCE OF OPTICAL PHONON (QUASIPHONON) SPECTRA IN А3В6 AND А3В3С62 COMPOUNDS

10.6.1. Angular Dependence of Polar Optical Phonon Frequencies in Chain-Like TlSe, TlS and TlInSe2 Crystals

10.6.2. Angular Dependence of Polar Optical Phonons in TlGaSe2, TlGaS2 and TlInS2 Compounds

Chapter 11 ELASTIC PROPERTIES OF LOW-DIMENSIONAL COMPOUNDS

11.1. INTRODUCTION

11.2. ELASTIC CONSTANTS IN LAYERED CRYSTALS

11.3. ELASTIC CONSTANTS IN LAYERED CRYSTALS NEAR PHASE TRANSITIONS

11.4. ELASTIC CONSTANTS IN MIXED CRYSTALS

11.5. ELASTIC CONSTANTS OF THE CHAIN-TYPE CRYSTALS

Chapter 12 RELATED LOW-DIMENSIONAL COMPOUNDS

12.1. CHAIN TlTaSe3 AND TlTaS3 COMPOUNDS

12.2. LAYERED Tl2S COMPOUND

12.3. LAYERED BULK AND NANOSTRUCTURED Tl2Se COMPOUNDS: SIZE-DEPENDENT PROPERTIES OF Tl2Se

Chapter 13 EVENTUAL APPLICATIONS OF TLX AND TLMX2 COMPOUNDS

CONCLUSION

INDEX.

Notes:

Description based upon print version of record.

Includes bibliographical references and index.

Description based on print version record and CIP data provided by publisher.

ISBN:

1-61470-582-8

OCLC:

839684473