By Professor Dr. Nobuo Tsuda, Professor Dr. Keiichiro Nasu, Professor Dr. Atsushi Fujimori, Dr. Kiiti Siratori (auth.)

ISBN-10: 3642086276

ISBN-13: 9783642086274

ISBN-10: 3662040115

ISBN-13: 9783662040119

This ebook is meant for postgraduate scholars, researchers and engineers engaged in learn into oxide conductors. It provides an outline of digital shipping phenomena, together with a dialogue of high-Tc superconductivity and big magnetoresistance in chapters, considered one of which stories all of the undertaking oxides. In one other 9 chapters consultant oxides are mentioned intimately. due to the fact that electron-electron and electron-phonon interactions vastly impression carrying out homes, chapters are dedicated to their rationalization. greater than 1200 references will function an invaluable consultant to these getting into this giant box of research.

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Both low-spin and highspin states are thought to coexist [166, 167]. Asai et al. claim that a lowertemperature LS state changes into a HS state at about 90 K and not at the MIT temperature [334]. LaNi03 is metallic. A weakly temperature-dependent paramagnetic susceptibility gives an antiferromagnetic Weiss temperature of 1780 K [177, 178, 335]. LuNi0 3 shows Curie-Weiss paramagnetism above 90 K and antiferromagnetism below TN [185]. , (3d) 7 -+ (dc) 6 (&y) 1 and not in a high-spin state (dc) 5 (dJ') 2 .

With permission from The American Chemical Society) 2. Introduction to Electronic States 46 10' 10' ~ s:l 8 '-' >. 10 5 1 8 w-• JI :~ • I -~Ill &! 10_, B I I 6 w-• w-• I 8 I; Cl > "d opi>&Bii" ... - 3 J 2 1000/T (K-') 0 1 2 (a) (b) 4 Fig. 11. Electrical conductivity of Tin02n-I· (a) n is designated beside each curve [276]. (b) n = 2 [242]. ~ CD ~ ... al 10' 300 ~ 10' 10 3 ...... 10' -"' 0 10' a! ~ 10-' 10'' 100 v,o,. 10- 3 TN 1o-• YtOu 1o-• 5 15 10 1000/T (K-') (a) 0 20 v,o, I v,o, v,o, v,o" v,o" v,o, v,o, v,o" (b) Fig.

Valence splitting occurs as 2Fe4+ -+ Fe3+ + Fe5+. 6 [160, 333]. SrCo0 3 is ferromagnetic below 212 K. 4 [162]. 50 2. Introduction to Electronic States LaCo0 3 shows a gradual transition from an insulator to a metal as the temperature is raised between 600 K and 700 K. Both low-spin and highspin states are thought to coexist [166, 167]. Asai et al. claim that a lowertemperature LS state changes into a HS state at about 90 K and not at the MIT temperature [334]. LaNi03 is metallic. A weakly temperature-dependent paramagnetic susceptibility gives an antiferromagnetic Weiss temperature of 1780 K [177, 178, 335].

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Electronic Conduction in Oxides by Professor Dr. Nobuo Tsuda, Professor Dr. Keiichiro Nasu, Professor Dr. Atsushi Fujimori, Dr. Kiiti Siratori (auth.)


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