First Order Phase Transitions of Magnetic Materials

First Order Phase Transitions of Magnetic Materials

Broad and Interrupted Transitions

Chaddah, Praveen (Former Director, UGC-DAE Consortium For Scientific Research, Indore, Madhya Pradesh, India)

Taylor & Francis Inc

11/2017

155

Dura

Inglês

9781498786256

15 a 20 dias

Descrição não disponível.
Phase transitions and rigorous definitions Phase transitions in Nature, and a meandering introduction Introduction: back to basics The Ehrenfest classification 1.3.1 First order transitions Studying phase transitions with two control variables Van der Waals gas as an exactly solvable model: isotherms and isobars Metastable states across a phase transition: limitations of the Ehrenfest classification. References Modern classification of phase transitions First order transitions, and the rest Metastable states are specific to first order transitions Limits of metastability Hysteresis across first order phase transitions Metastable to stable transformations First order phase transitions with two control variables References Defining characteristics of first order transitions. Necessary and sufficient characteristics following the Ehrenfest classification 3.1.1 Melting of the vortex lattice Need for other characteristic tests beyond the Clausius-Clapeyron relation Necessary and sufficient characteristics following the modern classification Hysteresis as an indicator Hysteresis together with metastable to stable transformation References Metastable and arrested unstable' states across first order transitions Conceptual difference between metastable and unstable states Relaxation rates for metastable, and for arrested unstable, states Manifestations of kinetic arrest in studies using two control variables Temperature variations in various fields The CHUF protocol CHUF for supercooled states Isothermal variations of field References Disorder-broadened transitions Broadened supercooling and superheating bands Kinetic arrest and interrupted transitions: tuning by cooling field Kinetic arrest and interrupted transitions: isothermal variation of field The CHUF protocol Measuring Tk(H) using CHUF What causes kinetic arrest? References Subject Index
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