Full text loading...
(a) Cross-section structure of magnetic tunnel junction (MTJ). (b) High-resolution cross-section transmission electron microscopy (TEM) image of MTJ with designed MgO thickness of .
(Color) (a) Quadrapole mass spectra of sputtering chamber with (black bars) and without a Ta getter (white bars). (b) X-ray diffraction profiles from thick MgO layers prepared with (red line) and without Ta getter (blue line). The dotted line represents background intensity drawn as a guide for the eyes.
Magnetoresistance curves at room temperature for optimized MTJs. (a) Designed MgO , , and MR . (b) Designed MgO , , and MR . The thick arrows represent magnetization alignments.
MR ratio at room temperature for MTJs as a function of product. The open circles represent optimized results of this study. The solid circles represent results of our previous study (Ref. 14).
Article metrics loading...