Temperature-dependent collective magnetization reversal in a network of ferromagnetic nanowires
- Univ. of Delaware, Newark, DE (United States); Argonne National Lab. (ANL), Lemont, IL (United States)
- Argonne National Lab. (ANL), Lemont, IL (United States)
- Argonne National Lab. (ANL), Lemont, IL (United States); Univ. of Illinois at Urbana-Champaign, IL (United States)
- Univ. of Delaware, Newark, DE (United States)
The collective behavior of geometrically frustrated magnetization in connected networks of ferromagnetic nanowires, known as artificial spin ice, leads to complex magnetotransport behavior in those structures. Here, we present temperature- and current-dependent magnetotransport studies on a connected square artificial spin-ice system and correlate our observations to micromagnetic simulations. We find that the field at which the lattice magnetization collectively switches increases as the temperature is lowered. Our experimental findings highlight the importance of the global and local temperatures for the onset of a collective magnetization reversal in the connected system. These studies may also provide useful insights into novel storage concepts and applications in neuromorphic computing.
- Research Organization:
- Univ. of Delaware, Newark, DE (United States); Argonne National Lab. (ANL), Argonne, IL (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), Basic Energy Sciences (BES). Materials Sciences & Engineering Division; USDOE
- Grant/Contract Number:
- SC0020308; AC02-06CH11357
- OSTI ID:
- 1774420
- Alternate ID(s):
- OSTI ID: 1765024; OSTI ID: 1781801
- Journal Information:
- AIP Advances, Vol. 11, Issue 2; ISSN 2158-3226
- Publisher:
- American Institute of Physics (AIP)Copyright Statement
- Country of Publication:
- United States
- Language:
- English
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