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Title: Concave nanomagnets with widely tunable anisotropy

A nanomagnet having widely tunable anisotropy is disclosed. The disclosed nanomagnet is a magnetic particle with a convex shape having a first magnetically easy axis. The convex shape is modified to include at least one concavity to urge a second magnetically easy axis to form substantially offset from the first magnetically easy axis. In at least one embodiment, the convex shape is also modified to include at least one concavity to urge a second magnetically easy axis to form with a magnetic strength substantially different from the first magnetically easy axis.
Inventors:
; ; ;
Issue Date:
OSTI Identifier:
1136416
Assignee:
The Regents of the University of California (Oakland, CA) LBNL
Patent Number(s):
8,766,754
Application Number:
13/551,764
Contract Number:
AC02-OSCIII1231
Research Org:
LBNL (Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States))
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English
Subject:
42 ENGINEERING

Other works cited in this record:

Self-aligning QCA based nanomaterials
patent, February 2007

Magnetic QCA systems
journal, July 2005
  • Bernstein, G. H.; Imre, A.; Metlushko, V.
  • Microelectronics Journal, Vol. 36, Issue 7, p. 619-624
  • DOI: 10.1016/j.mejo.2004.12.002

Investigation of shape-dependent switching of coupled nanomagnets
journal, September 2003
  • Imre, Alexandra; Csaba, Gy├Ârgy; Bernstein, Gary H.
  • Superlattices and Microstructures, Vol. 34, Issue 3-6, p. 513-518
  • DOI: 10.1016/j.spmi.2004.03.051

Majority Logic Gate for Magnetic Quantum-Dot Cellular Automata
journal, January 2006

Magnetic Domain-Wall Racetrack Memory
journal, April 2008

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