Tendency of temperature on nano-pillar for spin transfer torque memory

Seung Seok Ha; Chun Yeol You

doi:10.1002/pssa.200777267

Tendency of temperature on nano-pillar for spin transfer torque memory

Seung Seok Ha
, Chun Yeol You

Department of Physics and Chemistry

Inha University

Research output: Contribution to journal › Article › peer-review

1 Scopus citations

Abstract

This study perform numerical analysis for a Joule heated nano-pillar system, which has a tunneling barrier, using the hot electrons' dissipation concept. The main focus was on the temperature dependence of the radius, thickness of the nano-pillar and input power using the finite element method. The published experimental conditions were considered for the calculations. It was found that the peak temperature T(t=t _p) depends on the dimensions of the nano-pillar and input power. Surprisingly, the increase in temperature was in the order of only 1 Kelvin. The reason for such a small increase in temperature is discussed.

Original language	English
Pages (from-to)	3962-3965
Number of pages	4
Journal	Physica Status Solidi (A) Applications and Materials Science
Volume	204
Issue number	12
DOIs	https://doi.org/10.1002/pssa.200777267
State	Published - Dec 2007

Bibliographical note

Funding Information:
The authors are grateful to Keith Matthews, Tom Soifer, and Lee Armus for providing us with their K-band Keck image. We also thank Tim Heckman, Julian Krolik, and Ed Turner for useful suggestions, and Dave Carter and Karl Glazebrook for help with the WHT observations. J. L. acknowledges support from NSF grant AST93-03527.

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abstract = "This study perform numerical analysis for a Joule heated nano-pillar system, which has a tunneling barrier, using the hot electrons' dissipation concept. The main focus was on the temperature dependence of the radius, thickness of the nano-pillar and input power using the finite element method. The published experimental conditions were considered for the calculations. It was found that the peak temperature T(t=t p) depends on the dimensions of the nano-pillar and input power. Surprisingly, the increase in temperature was in the order of only 1 Kelvin. The reason for such a small increase in temperature is discussed.",

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AU - You, Chun Yeol

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PY - 2007/12

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N2 - This study perform numerical analysis for a Joule heated nano-pillar system, which has a tunneling barrier, using the hot electrons' dissipation concept. The main focus was on the temperature dependence of the radius, thickness of the nano-pillar and input power using the finite element method. The published experimental conditions were considered for the calculations. It was found that the peak temperature T(t=t p) depends on the dimensions of the nano-pillar and input power. Surprisingly, the increase in temperature was in the order of only 1 Kelvin. The reason for such a small increase in temperature is discussed.

AB - This study perform numerical analysis for a Joule heated nano-pillar system, which has a tunneling barrier, using the hot electrons' dissipation concept. The main focus was on the temperature dependence of the radius, thickness of the nano-pillar and input power using the finite element method. The published experimental conditions were considered for the calculations. It was found that the peak temperature T(t=t p) depends on the dimensions of the nano-pillar and input power. Surprisingly, the increase in temperature was in the order of only 1 Kelvin. The reason for such a small increase in temperature is discussed.

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Tendency of temperature on nano-pillar for spin transfer torque memory

Abstract

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