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Polaron |
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Polaron The object that results when an electron in the conduction band of a crystalline insulator or semiconductor polarizes or otherwise deforms the lattice in its vicinity. The polaron comprises the electron plus its surrounding lattice deformation. (Polarons can also be formed from holes in the valence band.) If the deformation extends over many lattice sites, the polaron is “large,” and the lattice can be treated as a continuum. Charge carriers inducing strongly localized lattice distortions form “small” polarons. See Band theory of solids, Hole states in solids, Semiconductor How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| These polarons form a well-defined thermodynamic glass phase above the ferromagnetic ordering temperature, which then melts into a polaron fluid at higher temperatures. Schuster's group calls this hybrid process "phonon-assisted polaron hopping. Limited, made a binding offer for all outstanding shares of Polaron plc, a publicly traded company (LSE:POL) based in the United Kingdom. |
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