摘要
We report an experimental investigation of magnetic focusing in the 1D non-equilibrium transport regime and utilize it to study the energy variation of electrons propagating through a quantum point contact. The results give insight into the behavior of electrons with different energies when current is both unidirectional and bidirectional, in particular, a splitting of the focusing peaks which demonstrates that the intrinsic resistance within the point contact is negligible and that the voltage drop is at least 3 μm away from the ends of the point contact.
原文 | English |
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文章編號 | 093503 |
期刊 | Applied Physics Letters |
卷 | 103 |
發行號 | 9 |
DOIs | |
出版狀態 | Published - 2013 8月 26 |
All Science Journal Classification (ASJC) codes
- 物理與天文學(雜項)