Spintronics in novel low-dimensional semiconductors

• Applicant: Professor Dr. Alexander Mirlin
• Subject Area: Theoretical Condensed Matter Physics
• Term: from 2011 to 2014
• Project identifier: Deutsche Forschungsgemeinschaft (DFG) - Project number 198312236

The project is devoted to theoretical investigations of spin-dependent phenomena in emergent semiconductor structures of reduced dimensionality. The systems to be studied include (i) gapless semiconductor structures based on HgTe/HgCdTe quantum wells and BiSe(Sb,Te) systems, including topological insulator phases, (ii) diluted magnetic semiconductor materials, (iii) quantum wells of low spatial symmetry related to unconventional crystallographic orientation; and (iv) spin effects in correlated 1D systems with spin-charge separation (most prominent realizations being semiconductor nanostructures and carbon nanotubes). While exploring spin transport and spin relaxation phenomena, we will pay particular attention to electron interaction, which crucially affects the physics of these low-dimensional systems. The interest to these novel materials is additionally motivated by perspectives of their applications for nanoelectronics and spintronics. This is a cooperation project with A.F. Ioffe Physical-Technical Institute (St. Petersburg, Russia) in the framework of the DFG-RFBR agreement. Participation of the Ioffe Institute scientists who are worldleading experts in the field of semiconductor nanostructures (including, in particular, optical phenomena as well as spin transport and relaxation) is crucially important for the Project.

• DFG Programme: Priority Programmes
• Subproject of: SPP 1285: Semiconductor Spintronics
• International Connection: Russia
• Partner Organisation: Russian Foundation for Basic Research
• Participating Persons: Professor Dr. Alexander Shnirman; Dr. Sergey A. Tarasenko