Wireless current sensing by near field induction from a spin transfer torque nano-oscillator
- Univ. of Maryland, College Park, MD (United States)
- Univ. of Maryland, College Park, MD (United States). Inst. for Research in Electronics and Applied Physics (IREAP)
- Weinberg Medical Physics LLC, Bethesda, MD (United States)
- Univ. of California, Irvine, CA (United States). Dept. of Physics and Astronomy
- HGST Research Center, San Jose, CA (United States)
- Univ. of Maryland, College Park, MD (United States). Inst. for Systems Research (ISR)
We demonstrate that spin transfer torque nano-oscillators (STNO) can act as wireless sensors for local current. The STNO acts as a transducer that converts weak direct currents into microwave field oscillations that we detect using an inductive coil. We detect direct currents in the range of 300–700 $$μ$$A and report them wirelessly to a receiving induction coil at distances exceeding 6.5 mm. This current sensor could find application in chemical and biological sensing and industrial inspection.
- Research Organization:
- Energy Frontier Research Centers (EFRC) (United States). Spins and Heat in Nanoscale Electronic Systems (SHINES)
- Sponsoring Organization:
- USDOE Office of Science (SC), Basic Energy Sciences (BES)
- Grant/Contract Number:
- SC0012670
- OSTI ID:
- 1387863
- Alternate ID(s):
- OSTI ID: 1256777
- Journal Information:
- Applied Physics Letters, Vol. 108, Issue 24; Related Information: SHINES partners with University of California, Riverside (lead); Arizona State University; Colorado State University; Johns Hopkins University; University of California Irvine; University of California Los Angeles; University of Texas at Austin; ISSN 0003-6951
- Publisher:
- American Institute of Physics (AIP)Copyright Statement
- Country of Publication:
- United States
- Language:
- English
Cited by: 7 works
Citation information provided by
Web of Science
Web of Science
Strong nonequilibrium effects in spin-torque systems
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journal | February 2017 |
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