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Record Nr. |
UNINA9910437813103321 |
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Titolo |
Material designs and new physical properties in MX- and MMX-chain compounds / / Masahiro Yamashita, Hiroshi Okamoto, editors |
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Pubbl/distr/stampa |
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Wien ; ; New York, : Springer, c2013 |
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ISBN |
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1-283-93564-3 |
3-7091-1317-2 |
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Edizione |
[1st ed. 2013.] |
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Descrizione fisica |
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1 online resource (274 p.) |
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Altri autori (Persone) |
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YamashitaMasahiro |
OkamotoHiroshi |
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Disciplina |
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Soggetti |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Note generali |
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Description based upon print version of record. |
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Nota di bibliografia |
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Includes bibliographical references and index. |
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Nota di contenuto |
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pt. 1. MX-chain compounds -- pt. 2. MMX-chain compounds. |
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Sommario/riassunto |
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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 |
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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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