Awschalom Group: Other Research and Focus

  • Spintronics

  • Spintronics, the storage and transport of electronic spins in semiconductor devices may revolutionize the electronic device industry, with spin based transistors, memories, and opto-electronic devices replacing their charge-based counterparts. For instance, giant and tunnel magnetoresistance effects are already used in modern hard drives, and non-volatile spin-logic devices are being studied for inclusion in future computers. Ultimately, spintronics could bring practical logic and memory down to the single electron spin level.

  • Magnetic Semiconductors

  • The exchange couplings present in magnetically-doped semiconductors are orders of magnitude larger in energy than the spin-orbit and hyperfine interactions, and the interactions between carriers and magnetic ions in magnetic semiconductors may be engineered through heterostructures grown with molecular beam epitaxy.

  • Measurement Techniques

  • Spin phenomena may be quantified to a striking degree of precision using a variety of optical and electronic techniques that enable one to probe spin dynamics as a function of time and space.

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