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Material Designs and New Physical Properties in MX- and MMX-Chain Compounds (Hardcover, 2013 ed.)
Loot Price: R2,818
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Material Designs and New Physical Properties in MX- and MMX-Chain Compounds (Hardcover, 2013 ed.)
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This is the first book to comprehensively address the recent
developments in both the experimental and theoretical aspects of
quasi-one-dimensional halogen-bridged mono- (MX) and binuclear
metal (MMX) chain complexes of Pt, Pd and Ni. These complexes have
one-dimensional electronic structures, which cause the various
physical properties as well as electronic structures. In most
MX-chain complexes, the Pt and Pd units are in M(II)-M(IV) mixed
valence or charge density wave (CDW) states due to electron-phonon
interactions, and Ni compounds are in Ni(III) averaged valence or
Mott-Hubbard states due to the on-site Coulomb repulsion. More
recently, Pd(III) Mott-Hubbard (MH) states have been realized in
the ground state by using the chemical pressure. Pt and Pd chain
complexes undergo photo-induced phase transitions from CDW to MH or
metal states, and Ni chain complexes undergo photo-induced phase
transitions from MH to metal states. Ni chain complexes with strong
electron correlations show tremendous third-order optical
nonlinearity and nonlinear electrical conductivities. They can be
explained theoretically by using the extended Peierls-Hubbard
model. For MMX-chain complexes, averaged valence, CDW, charge
polarization, and alternating charge polarization states have been
realized by using chemical modification and external stimuli, such
as temperature, photo-irradiation, pressure, and water vapor. All
of the electronic structures and phase transitions can be explained
theoretically.
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