Large resistance change on magnetic tunnel junction based molecular spintronics devices
Abstract
Here, molecular bridges covalently bonded to two ferromagnetic electrodes can transform ferromagnetic materials and produce intriguing spin transport characteristics. This paper discusses the impact of molecule induced strong coupling on the spin transport. To study molecular coupling effect the octametallic molecular cluster (OMC) was bridged between two ferromagnetic electrodes of a magnetic tunnel junction (Ta/Co/NiFe/AlOx/NiFe/Ta) along the exposed side edges. OMCs induced strong inter-ferromagnetic electrode coupling to yield drastic changes in transport properties of the magnetic tunnel junction testbed at the room temperature. These OMCs also transformed the magnetic properties of magnetic tunnel junctions. SQUID and ferromagnetic resonance studies provided insightful data to explain transport studies on the magnetic tunnel junction based molecular spintronics devices.
- Authors:
-
- Univ. of the District of Columbia, Washington, D.C. (United States); Univ. of Kentucky, Lexington, KY (United States)
- Univ. of the District of Columbia, Washington, D.C. (United States)
- Publication Date:
- Research Org.:
- Univ. of the District of Columbia, Washington, D.C. (United States)
- Sponsoring Org.:
- USDOE National Nuclear Security Administration (NNSA), Office of Defense Nuclear Nonproliferation
- OSTI Identifier:
- 1439170
- Grant/Contract Number:
- NA0002687
- Resource Type:
- Journal Article: Accepted Manuscript
- Journal Name:
- Journal of Magnetism and Magnetic Materials
- Additional Journal Information:
- Journal Volume: 453; Journal Issue: C; Journal ID: ISSN 0304-8853
- Publisher:
- Elsevier
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 36 MATERIALS SCIENCE; Molecular spintronics; Magnetic tunnel junctions; Magnetic molecules
Citation Formats
Tyagi, Pawan, and Friebe, Edward. Large resistance change on magnetic tunnel junction based molecular spintronics devices. United States: N. p., 2018.
Web. doi:10.1016/j.jmmm.2018.01.024.
Tyagi, Pawan, & Friebe, Edward. Large resistance change on magnetic tunnel junction based molecular spintronics devices. United States. https://doi.org/10.1016/j.jmmm.2018.01.024
Tyagi, Pawan, and Friebe, Edward. 2018.
"Large resistance change on magnetic tunnel junction based molecular spintronics devices". United States. https://doi.org/10.1016/j.jmmm.2018.01.024. https://www.osti.gov/servlets/purl/1439170.
@article{osti_1439170,
title = {Large resistance change on magnetic tunnel junction based molecular spintronics devices},
author = {Tyagi, Pawan and Friebe, Edward},
abstractNote = {Here, molecular bridges covalently bonded to two ferromagnetic electrodes can transform ferromagnetic materials and produce intriguing spin transport characteristics. This paper discusses the impact of molecule induced strong coupling on the spin transport. To study molecular coupling effect the octametallic molecular cluster (OMC) was bridged between two ferromagnetic electrodes of a magnetic tunnel junction (Ta/Co/NiFe/AlOx/NiFe/Ta) along the exposed side edges. OMCs induced strong inter-ferromagnetic electrode coupling to yield drastic changes in transport properties of the magnetic tunnel junction testbed at the room temperature. These OMCs also transformed the magnetic properties of magnetic tunnel junctions. SQUID and ferromagnetic resonance studies provided insightful data to explain transport studies on the magnetic tunnel junction based molecular spintronics devices.},
doi = {10.1016/j.jmmm.2018.01.024},
url = {https://www.osti.gov/biblio/1439170},
journal = {Journal of Magnetism and Magnetic Materials},
issn = {0304-8853},
number = C,
volume = 453,
place = {United States},
year = {Fri Jan 12 00:00:00 EST 2018},
month = {Fri Jan 12 00:00:00 EST 2018}
}
Web of Science
Figures / Tables:
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Works referencing / citing this record:
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Figures / Tables found in this record: