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P. Li, V. Sankar, G. Csaba, S. Hu, M. Niemier, et al. Magnetic Properties of Enhanced Permeability Dielectrics for Nanomagnetic Logic Circuits
Release time:2022-07-11
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- DOI number:
- 10.1109/TMAG.2012.2204236
- Journal:
- IEEE Trans. Magn. 11, 3292
- Abstract:
- Enhanced permeability dielectric (EPD) samples were fabricated in an ultra-high-vacuum magnetron sputtering system, and their magnetic properties were studied by a variable-temperature vibrating sample magnetometer. EPDs were fabricated with layers of CoFe forming uniform particles separated by MgO dielectric as insulator. The optimal sample has peak relative low-field permeability (μ r ) of 452, saturation magnetization (M s ) of 636 emu/cm 3 and magnetization at 100 Oe (M 100 Oe ) of 398 emu/cm 3 . Effect of low temperature is discussed, and measurements show that the EPD remains superparamagnetic at 173 K; μ r , M s and M 100 Oe values at reduced temperatures are higher than those at room temperature. The sample is ferromagnetic at 100 K.
- Document Code:
- 3292
- Issue:
- 11
- Page Number:
- 3292 - 3295
- Translation or Not:
- no
- Date of Publication:
- 2012-11-11