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Room Temperature Spin Polarized Injection in Organic Semiconductor by V. Dediu; M. Murgia; F.C. Matacotta; C. Taliani; S. Barbanera is a Physics and Astronomy article available to read on EtoBox.

What is Room Temperature Spin Polarized Injection in Organic Semiconductor about?

Spintronics is a new branch of electronics based on purely quantum effects. Instead of carrier charge transfer, as in usual electronics, it evokes carrier's spin transfer. The search of new materials suitable for injecting and transferring carriers with a preferential spin orientation is of paramount importance for the development of spintronics. Here we report a ®rst experimental evidence of room temperature direct spin polarized injection in sexithienyl (T 6 ), a prototypical organic semiconductor, from colossal magnetoresistance manganite La 0.7 Sr 0.3 MnO 3 (LSMO). A strong magnetoresistance (up to 30%) was measured on nanostructured planar hybrid junctions LSMO/T 6 /LSMO. The spin diffusion length in T 6 is about 200 nm at room temperature. The results are discussed taking into account possible spin- ̄ip mechanisms in organic material and interface effects.

Who reads Room Temperature Spin Polarized Injection in Organic Semiconductor?

Author

V. Dediu; M. Murgia; F.C. Matacotta; C. Taliani; S. Barbanera

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 0038-1098)

Published

2002

Language

EN

Field

Physics and Astronomy (Physical Sciences)