Neutron scattering -- magnetic and quantum phenomena

✍ Scribed by Fernandez-Alonso, Felix; Price, David Long

• Publisher: Academic Press is an imprint of Elsevier
• Year: 2015
• Tongue: English
• Leaves: 520
• Series: Experimental Methods in the Physical Sciences Volume 48
• Edition: 1
• Category: Library

✦ Synopsis

Neutron Scattering - Magnetic and Quantum Phenomena provides detailed coverage of the application of neutron scattering in condensed matter research. The book's primary aim is to enable researchers in a particular area to identify the aspects of their work where neutron scattering techniques might contribute, conceive the important experiments to be done, assess what is required to carry them out, write a successful proposal for one of the major user facilities, and perform the experiments under the guidance of the appropriate instrument scientist.

An earlier series edited by Kurt Sköld and David L. Price, and published in the 1980s by Academic Press as three volumes in the series Methods of Experimental Physics, was very successful and remained the standard reference in the field for several years.

This present work has similar goals, taking into account the advances in experimental techniques over the past quarter-century, for example, neutron reflectivity and spin-echo spectroscopy, and techniques for probing the dynamics of complex materials of technological relevance.

This volume complements Price and Fernandez-Alonso (Eds.), Neutron Scattering - Fundamentals published in November 2013.

• Covers the application of neutron scattering techniques in the study of quantum and magnetic phenomena, including superconductivity, multiferroics, and nanomagnetism
• Presents up-to-date reviews of recent results, aimed at enabling the reader to identify new opportunities and plan neutron scattering experiments in their own field
• Provides a good balance between theory and experimental techniques
• Provides a complement to Price and Fernandez-Alonso (Eds.), Neutron Scattering - Fundamentals published in November 2013

✦ Table of Contents

Content: Front Cover
Experimental Methods in the Physical Sciences
Neutron Scattering --
Magnetic and Quantum Phenomena
Copyright
Contents
List of Contributors
Volumes in Series
Preface
REFERENCES
Eulogy
Symbols
REFERENCE
1 --
Neutron Optics and Spin Labeling Methods
1.1 INTRODUCTION
1.2 PARTICLE PROPERTIES AND INTERACTIONS OF SLOW NEUTRONS
1.3 NEUTRON STATES AND WAVE FUNCTIONS
1.3.1 Wave versus Geometrical Optics in Neutron Scattering Experiments
1.3.2 Summary of High Precision Rules for Neutron Beam Propagation
1.4 THE PRINCIPLES OF SPIN LABELING
1.4.1 Practical Spin Labeling. 1.4.2 Choices of Neutron Parameters for Spin Labeling1.5 NEUTRON SPIN-ECHO SPECTROSCOPY
1.5.1 NSE Spectroscopy for Nuclear Scattering
1.5.2 NSE Spectroscopy in Magnetism
1.6 NEUTRON SPIN-ECHO FOR ELASTIC SCATTERING AT SMALL ANGLES
1.6.1 Neutron Beam Polarizers and Analyzers
1.6.2 Transport of Polarized Neutron Beams and Spin-Injection Devices
1.6.3 Precession Region and Magnetic Shielding
1.6.4 Experimental Results
1.6.4.1 Spin-Echo Small-Angle Scattering
1.6.4.2 Spin-Echo Reflectometry
REFERENCES
2 --
Quantum Phase Transitions
2.1 INTRODUCTION
2.1.1 Classical Phase Transitions. 2.1.2 Continuous Phase Transitions and Critical Behavior2.1.3 Quantum Critical Scaling
2.1.4 Quantum Critical Point
2.1.5 Quantum Critical Region
2.2 EXPERIMENTAL TECHNIQUES
2.2.1 General Principles of Neutron Scattering
2.2.2 Neutron Scattering Cross Sections
2.2.3 Correlation and Scattering Functions
2.2.4 Magnetic Cross Section
2.2.5 Instruments
2.2.5.1 Triple-Axis Spectrometers
2.2.5.2 Time-of-Flight Spectrometers
2.3 EXTREME ENVIRONMENTAL CONDITIONS
2.3.1 Cryogenics
2.3.1.1 Helium Closed-Cycle Refrigerator
2.3.1.2 Liquid Helium Bath Cryostats
2.3.1.3 Cryogen-Free Systems. 2.3.1.4 Helium-3 Sorption System2.3.1.5 Helium-3/Helium-4 Dilution Refrigerators
2.3.2 High Magnetic Field
2.3.3 High Pressure
2.3.3.1 Hydrostatic Cells (Piston-Cylinder Devices)
2.3.3.2 Large-Volume (Clamped) Cells
2.3.3.3 Opposed Anvil Cells
2.4 QUANTUM PHASE TRANSITIONS IN SPIN DIMER SYSTEMS
2.4.1 Spin Dimer Systems
2.4.2 TlCuCl3
2.4.3 Field-Induced QPT in TlCuCl3
2.4.4 Pressure-Induced QPT in TlCuCl3
2.5 QUANTUM PHASE TRANSITIONS IN JEFF=1/2 PYROCHLORE MAGNETS
2.5.1 XY Pyrochlore Magnets
2.5.2 Er2Ti2O7
2.5.3 Spin Excitations in Er2Ti2O7
2.5.4 Yb2Ti2O7. 2.5.5 Spin Excitations in Yb2Ti2O72.6 QUANTUM PHASE TRANSITIONS IN HEAVY FERMIONS
2.6.1 Heavy Fermions
2.6.1.1 Spin-Density-Wave QC at a Conventional QCP [100]
2.6.1.2 Local QC
2.6.2 Cerium-Based Heavy-Fermion System
2.6.3 CeCu6-xAux
2.6.3.1 Chemical Pressure (Doping)
2.6.3.2 Applied Pressure
2.6.3.3 Applied Magnetic Field
2.6.4 CeT(In1-xMx)5
2.6.5 CeRhIn5
2.6.6 CeCoIn5
2.6.7 CeIrIn5
2.7 QUANTUM PHASE TRANSITIONS IN ITINERANT MAGNETS
2.7.1 Weak Itinerant Ferromagnets
2.7.2 MnSi
2.7.2.1 Applied Pressure
2.7.3 URu2Si2
2.7.3.1 Chemical Pressure (Doping).