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Intrinsic multiscale structure and dynamics in complex electronic oxides : : Proceedings of the Workshop The abdus salam international centre for theoretical phyics, 1 - 4 July 2002 / Editors A. R. Bishop, S. R. Shenoy, S. Sridhar

Tác giả : Editors A. R. Bishop, S. R. Shenoy, S. Sridhar

Nhà xuất bản : World Scientific

Năm xuất bản : 2003

Nơi xuất bản : New Jersey

Mô tả vật lý : viii, 223 p. : ill. ; 24 cm

ISBN : 9812382682

Số phân loại : 530.4

Chủ đề : 1. Mức độ dẫn diện. 2. Ôxit -- Tính dẫn diện. 3. Electric conductivity. 4. Oxides -- Electric properties. 5. Truyền dẫn diện.

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Tóm tắt :

There is considerable interest in the intrinsically multiscale structure and dynamics of complex electronic oxides, especially since these materials include those of technological importance, such as colossal magnetoresistance manganites and cuprate high temperature superconductors. Current microscopies, such as diffuse X-ray and inelastic neutron scattering, electromagnetic and acoustic response, NMR and scanning tunneling microscope probes, have revealed static and dynamic multiscale patterns in charge positioning, lattice structure and magnetic orientation, that respond to both external stress and magnetic field. These self-organized patterns include charge and orbital ordering; stripes in strain/spin; and labyrinth-like conductance modulations. The materials exhibit nanoscale phase segregation and mesoscale inhomogeneous clustering, and their phase transitions can have a percolative character.

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