What is it about?
A brief review is given of the development and experimental verification of the quasi-equilibrium spin thermodynamics as applied to electron paramagnetic resonance (EPR) and dynamic nuclear polarization in solids. Existing experimental data are newly considered. Conditions and limitations of applicability of the two-temperature model to electron spin systems with random distribution of paramagnetic centers are cleared up.
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Why is it important?
Modern development of EPR methods and applications, such as giant amplification of NMR sensitivity by dynamic nuclear polarization, in paramagnetic solids, are based on the spin thermodynamics and, in particular. on the two-temperatrure concept.
Perspectives
The paper provides strong arguments for applicability of the two-temperature concept and so may be important in future discussions on this subject.
Prof. Vadim Atsarkin
Kotelnikov Institute of Radio Engineering and Electronics of RAS
Read the Original
This page is a summary of: Spin Dynamics and Establishing of Internal Quasi-Equilibrium in Dilute Paramagnetic Solids, Zeitschrift für Physikalische Chemie, January 2017, De Gruyter,
DOI: 10.1515/zpch-2016-0823.
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