The optimization of relative current sensitivity of bipolar magnetotransistor

A. V. Kozlov; M. A. Reveleva; R. D. Tikhonov

doi:10.1117/12.558445

28 May 2004 The optimization of relative current sensitivity of bipolar magnetotransistor

A. V. Kozlov, M. A. Reveleva, R. D. Tikhonov

Proceedings Volume 5401, Micro- and Nanoelectronics 2003; (2004) https://doi.org/10.1117/12.558445
Event: Micro- and Nanoelectronics 2003, 2003, Zvenigorod, Russian Federation

Abstract

Using the methods of numerical device-and-process simulation we investigated the current distribution and the relative and absolute current sensitivity of the lateral bipolar dual-collector magnetotransistor (BMT) made in the diffusion well and with the substrate and well contacts connected. The analysis of the current flow at low injection level revealed the negative sensitivity mechanism. The negative relative current sensitivity appears in BMT as a result of the involved in recombination electron and hole flows redistribution induced by magnetic field, i.e., as the result of concentration-recombination mechanism of magnetosensitivity. The optimization of structure of BMT allows to increase the maximal meaning of relative current sensitivity approximately three times.

Citation Download Citation

A. V. Kozlov, M. A. Reveleva, and R. D. Tikhonov "The optimization of relative current sensitivity of bipolar magnetotransistor", Proc. SPIE 5401, Micro- and Nanoelectronics 2003, (28 May 2004); https://doi.org/10.1117/12.558445

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