Large resistance change on magnetic tunnel junction based molecular spintronics devices

Tyagi, Pawan; Friebe, Edward

doi:10.1016/j.jmmm.2018.01.024

Title: Large resistance change on magnetic tunnel junction based molecular spintronics devices

Journal Article · Fri Jan 12 00:00:00 EST 2018 · Journal of Magnetism and Magnetic Materials

DOI:https://doi.org/10.1016/j.jmmm.2018.01.024· OSTI ID:1439170

^[1]; Friebe, Edward ^[2]

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)

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.

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Research Organization:: Univ. of the District of Columbia, Washington, D.C. (United States)

Sponsoring Organization:: USDOE National Nuclear Security Administration (NNSA), Office of Defense Nuclear Nonproliferation

Grant/Contract Number:: NA0002687

OSTI ID:: 1439170

Journal Information:: Journal of Magnetism and Magnetic Materials, Vol. 453, Issue C; ISSN 0304-8853

Publisher:: ElsevierCopyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 22 works

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Molecular spintronics devices exhibiting properties of a solar cell Tyagi, Pawan; Riso, Christopher Nanotechnology, Vol. 30, Issue 49 https://doi.org/10.1088/1361-6528/ab3ab0	journal	September 2019

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