Download Magnetism and Structure in Functional Materials (Springer by Antoni Planes, Lluís Mañosa, Avadh Saxena PDF

By Antoni Planes, Lluís Mañosa, Avadh Saxena

Magnetism and constitution in practical fabrics addresses 3 unique yet comparable themes: (i) magnetoelastic fabrics similar to magnetic martensites and magnetic form reminiscence alloys, (ii) the magnetocaloric influence on the topic of magnetostructural transitions, and (iii) sizeable magnetoresistance (CMR) and similar manganites. The objective is to spot universal underlying rules in those sessions of fabrics which are proper for optimizing numerous functionalities. The emergence of it seems that various magnetic/structural phenomena in disparate sessions of fabrics in actual fact issues to a necessity for universal recommendations on the way to in attaining a broader knowing of the interaction among magnetism and constitution during this normal category of recent practical fabrics showing ever extra complicated microstructure and serve as. the subject is interdisciplinary in nature and the participants correspondingly contain physicists, fabrics scientists and engineers. Likewise the publication will entice scientists from these kind of parts.

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Magnetism and Structure in Functional Materials (Springer Series in Materials Science)

Magnetism and constitution in practical fabrics addresses 3 detailed yet similar themes: (i) magnetoelastic fabrics resembling magnetic martensites and magnetic form reminiscence alloys, (ii) the magnetocaloric impact concerning magnetostructural transitions, and (iii) tremendous magnetoresistance (CMR) and similar manganites.

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Additional resources for Magnetism and Structure in Functional Materials (Springer Series in Materials Science)

Example text

1 Coupling of Variables The charges and spins couple in symmetry-allowed ways to strain tensor components. When coupled to linear (or quadratic) powers of strains, they act as local stresses (or local elastic constants). Conversely, when strains are coupled to quadratic powers of the magnetization (whether staggered or direct), then they act as local magnetic transition temperatures (whether Curie or N´eel). Compatibility-induced power-law correlations then spread the influences of charge and spin states over large distances, and nonlinearities can mix scales.

Associated with the dip anomaly, structural precursors such as broad satellite peaks are observed. The signature of the coupling to magnetism is primarily observed as an enhancement of the softening of the anomalous phonon (dip) Fig. 6. Phase diagram of Ni–Mn–Ga as a function of the electron concentration per atom (e/a). P stands for paramagnetic, F, ferromagnetic and M, for martensitic. The dotted line denotes the intermediate transition (TI ), TM is the martensitic transition and TC is the Curie line 34 T.

Lookman, A. R. Bishop, in [4, 5] 43. P. Chaikin, T. Lubensky: Principles of Condensed Matter Physics. 2nd edn. (Cambridge University Press, Cambridge, UK, 2000) 44. N. Behera, A. Khare: Pramana (Bangalore) 15, 245 (1980); F. Falk: Z. Phys. B 51, 177 (1983); A. R. Bishop: J. : Condens. Matter 16, L313 (2004) 45. F. Borg: Fundamentals of Engineering Elasticity, 2nd edn. (World Scientific, Singapore, 1990) 46. H. Chirgwin, C. Plumpton: A Course of Mathematics for Scientists and Engineers. Vol. 1, 2nd edn.

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