Abstract
The size dependence of magnetization reversal of magnetic tunnel junction (MTJ) rings has been investigated. The MTJ rings, with outer diameter of 4, 2 and 1 μm and inner diameter of 1.5, 1 and 0.5 μm were fabricated by a top-down technique. The magnetoresistance curves manifest all of the magnetic domain configurations during magnetization reversal in different sized rings. Various transition processes were observed, such as four transition, three transition and two transition in the largest, middle and smallest MTJ ring, respectively. Furthermore, the biasing fields observed from major loops decrease with decreasing size, which may result from edge roughness produced in the ion-milling process.
| Original language | English |
|---|---|
| Pages (from-to) | 1900-1902 |
| Number of pages | 3 |
| Journal | Journal of Magnetism and Magnetic Materials |
| Volume | 310 |
| Issue number | 2 SUPPL. PART 3 |
| DOIs | |
| Publication status | Published - 2007 Mar 1 |
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All Science Journal Classification (ASJC) codes
- Electronic, Optical and Magnetic Materials
- Condensed Matter Physics
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Size dependence of magnetization reversal of ring shaped magnetic tunnel junction. / Chen, C. C.; Kuo, C. Y.; Chang, Y. C.; Chang, C. C.; Horng, Lance; Wu, Teho; Chern, G.; Huang, C. Y.; Tsunoda, M.; Takahashi, M.; Wu, J. C.
In: Journal of Magnetism and Magnetic Materials, Vol. 310, No. 2 SUPPL. PART 3, 01.03.2007, p. 1900-1902.Research output: Contribution to journal › Article
TY - JOUR
T1 - Size dependence of magnetization reversal of ring shaped magnetic tunnel junction
AU - Chen, C. C.
AU - Kuo, C. Y.
AU - Chang, Y. C.
AU - Chang, C. C.
AU - Horng, Lance
AU - Wu, Teho
AU - Chern, G.
AU - Huang, C. Y.
AU - Tsunoda, M.
AU - Takahashi, M.
AU - Wu, J. C.
PY - 2007/3/1
Y1 - 2007/3/1
N2 - The size dependence of magnetization reversal of magnetic tunnel junction (MTJ) rings has been investigated. The MTJ rings, with outer diameter of 4, 2 and 1 μm and inner diameter of 1.5, 1 and 0.5 μm were fabricated by a top-down technique. The magnetoresistance curves manifest all of the magnetic domain configurations during magnetization reversal in different sized rings. Various transition processes were observed, such as four transition, three transition and two transition in the largest, middle and smallest MTJ ring, respectively. Furthermore, the biasing fields observed from major loops decrease with decreasing size, which may result from edge roughness produced in the ion-milling process.
AB - The size dependence of magnetization reversal of magnetic tunnel junction (MTJ) rings has been investigated. The MTJ rings, with outer diameter of 4, 2 and 1 μm and inner diameter of 1.5, 1 and 0.5 μm were fabricated by a top-down technique. The magnetoresistance curves manifest all of the magnetic domain configurations during magnetization reversal in different sized rings. Various transition processes were observed, such as four transition, three transition and two transition in the largest, middle and smallest MTJ ring, respectively. Furthermore, the biasing fields observed from major loops decrease with decreasing size, which may result from edge roughness produced in the ion-milling process.
UR - http://www.scopus.com/inward/record.url?scp=33847664618&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=33847664618&partnerID=8YFLogxK
U2 - 10.1016/j.jmmm.2006.10.686
DO - 10.1016/j.jmmm.2006.10.686
M3 - Article
AN - SCOPUS:33847664618
VL - 310
SP - 1900
EP - 1902
JO - Journal of Magnetism and Magnetic Materials
JF - Journal of Magnetism and Magnetic Materials
SN - 0304-8853
IS - 2 SUPPL. PART 3
ER -