Abstract
Microstructured magnetic tunnel junction rings have been fabricated by a top-down technique combining electron beam lithography and ion milling process. Four-terminal magnetoresistance measurements and magnetic force microscopy were used to successfully explore a four-transition process within the free layer throughout the magnetization reversal. Various magnetization configurations were identified to be the onion state, vortex-pair state, vortex state, vortex-core state, and reverse onion state. In addition, the various durations of each magnetic state observed in the magnetoresistance curve can be utilized for the study of a coupling effect between the pinned layer and the free layer.
| Original language | English |
|---|---|
| Pages (from-to) | 2766-2768 |
| Number of pages | 3 |
| Journal | IEEE Transactions on Magnetics |
| Volume | 42 |
| Issue number | 10 |
| DOIs | |
| Publication status | Published - 2006 Jan 1 |
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All Science Journal Classification (ASJC) codes
- Electronic, Optical and Magnetic Materials
- Electrical and Electronic Engineering
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Fabrication and characterization of microstructured magnetic tunnel junction rings. / Chen, C. C.; Chang, C. C.; Kuo, C. Y.; Horng, Lance; Wu, Jong-Ching.
In: IEEE Transactions on Magnetics, Vol. 42, No. 10, 01.01.2006, p. 2766-2768.Research output: Contribution to journal › Article
TY - JOUR
T1 - Fabrication and characterization of microstructured magnetic tunnel junction rings
AU - Chen, C. C.
AU - Chang, C. C.
AU - Kuo, C. Y.
AU - Horng, Lance
AU - Wu, Jong-Ching
PY - 2006/1/1
Y1 - 2006/1/1
N2 - Microstructured magnetic tunnel junction rings have been fabricated by a top-down technique combining electron beam lithography and ion milling process. Four-terminal magnetoresistance measurements and magnetic force microscopy were used to successfully explore a four-transition process within the free layer throughout the magnetization reversal. Various magnetization configurations were identified to be the onion state, vortex-pair state, vortex state, vortex-core state, and reverse onion state. In addition, the various durations of each magnetic state observed in the magnetoresistance curve can be utilized for the study of a coupling effect between the pinned layer and the free layer.
AB - Microstructured magnetic tunnel junction rings have been fabricated by a top-down technique combining electron beam lithography and ion milling process. Four-terminal magnetoresistance measurements and magnetic force microscopy were used to successfully explore a four-transition process within the free layer throughout the magnetization reversal. Various magnetization configurations were identified to be the onion state, vortex-pair state, vortex state, vortex-core state, and reverse onion state. In addition, the various durations of each magnetic state observed in the magnetoresistance curve can be utilized for the study of a coupling effect between the pinned layer and the free layer.
UR - http://www.scopus.com/inward/record.url?scp=85008045572&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=85008045572&partnerID=8YFLogxK
U2 - 10.1109/TMAG.2006.878868
DO - 10.1109/TMAG.2006.878868
M3 - Article
VL - 42
SP - 2766
EP - 2768
JO - IEEE Transactions on Magnetics
JF - IEEE Transactions on Magnetics
SN - 0018-9464
IS - 10
ER -