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Topological insulators

Topological insulators

Topological insulators. Pavel Buividovich (Regensburg). Hall effect. Classical treatment. Dissipative motion for point-like particles ( Drude theory). Steady motion. Cyclotron frequency. Drude conductivity. Current. Resistivity tensor. Classical Hall effect.

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2.83k views • 38 slides
Title: Multiferroics ??????? ??? (C. D. Hu) Abstract

Title: Multiferroics ??????? ??? (C. D. Hu) Abstract

Title: Multiferroics ??????? ??? (C. D. Hu) Abstract

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501 views • 30 slides
Title: Multiferroics ??????? ??? (C. D. Hu) Abstract

Title: Multiferroics ??????? ??? (C. D. Hu) Abstract

Title: Multiferroics ??????? ??? (C. D. Hu) Abstract

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304 views • 30 slides
Jeroen van den Brink

Jeroen van den Brink

LaOFeAs -- multiferroic manganites. Jeroen van den Brink. Gianluca Giovannetti,Luuk Ament,Igor Pikovski,Sanjeev Kumar,Antoine Klauser,Carmine Ortix. George Sawatzky,Frank Kruger,Ilya Elfimov,Jan Zaanen. Krakaw 19/6/2008. t 2g. t 2g. e g. e g. S=2. S=1. S=0. LaOFeAs.

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476 views • 29 slides
Jeroen van den Brink

Jeroen van den Brink

LaOFeAs -- multiferroic manganites. Jeroen van den Brink. Gianluca Giovannetti,Luuk Ament,Igor Pikovski,Sanjeev Kumar,Antoine Klauser,Carmine Ortix. George Sawatzky,Frank Kruger,Ilya Elfimov,Jan Zaanen. Krakaw 19/6/2008. t 2g. t 2g. e g. e g. S=2. S=1. S=0. LaOFeAs.

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296 views • 29 slides
First-principles study of spontaneous polarization in multiferroic BiFeO 3

First-principles study of spontaneous polarization in multiferroic BiFeO 3

First-principles study of spontaneous polarization in multiferroic BiFeO 3. Yoshida lab. Ryota Omichi 2014.05.28 PHYSICAL REVIEW B 71, 014113 (2005). Contents. Introduction Multiferroic Electric polarization Properties of BiFeO 3 Calculation methods(LDA and LDA+U) Results

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201 views • 16 slides
Electric polarization

Electric polarization

+. +. +. +. +. +. -. -. -. -. -. -. Electric polarization. How to define the electric polarization in a solid?. Compose of molecules:. Electric polarization cannot uniquely be defined from the charge distribution. For a covalent solid the problem is even more clear. d = 0.

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1.28k views • 12 slides
Tabata lab.

Tabata lab.

Tabata lab. M1 Kouji Tsuruta. Abstract. In general, the covalent bond between the anions and cations plays a key role in establishing the dipolar arrangement. In LuFe2O4, the electric dipole depends on electron correlation. electron.

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319 views • 11 slides
Ferroelectric

Ferroelectric

Ballistic Anisotropic Magnetoresistance (BAMR) E.Y. Tsymbal and S.S. Jaswal, University of Nebraska DMR-0203359.

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389 views • 4 slides
Electric polarization

Electric polarization

Spin magnetism. Lattice displacements. Electric polarization. Orbital magnetism. Magnetoelectric Coupling in Cr 2 O 3 David H. Vanderbilt, Rutgers University New Brunswick, DMR 1005838.

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208 views • 2 slides

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