Switching Behavior of Sharply Pointed Nanomagnets for Logic Applications

Author

Dey, Hemanta ; Csaba, Gyorgy ; Hu, Xiaobo Sharon ; Niemier, Michael ; Bernstein, Gary H. ; Porod, Wolfgang

Author_Institution

Dept. of Electr. Eng., Univ. of Notre Dame, Notre Dame, IN, USA

Volume

49

Issue

7

fYear

2013

fDate

Jul-13

Firstpage

3549

Lastpage

3552

Abstract

We study the switching behavior of variously shaped, near-single-domain nanomagnets for nanomagnet logic (NML) applications. Magnets in the size range of 60 × 100 to 60 × 200 nm, with different lengths and end-shapes are fabricated and characterized, and the results compared to temperature-dependent micromagnetic simulations. In this study, the length of the nanomagnets is more important to the switching properties than is end shape. However, for sharper magnets, temperature fluctuations play a large role in determining the switching field.

Keywords

magnetic domains; magnetic switching; nanomagnetics; nanomagnet logic applications; near-single-domain nanomagnets; sharper magnets; size 100 nm; size 200 nm; size 60 nm; switching behavior; temperature fluctuations; Magnetic domains; Magnetic resonance imaging; Magnetic switching; Micromagnetics; Object oriented modeling; Shape; Switches; Magnetic force microscopy; magnetic switching; nanomagnet logic; single domain nanomagnets; switching field distribution;

fLanguage

English

Journal_Title

Magnetics, IEEE Transactions on

Publisher

ieee

ISSN

0018-9464

Type

jour

DOI

10.1109/TMAG.2012.2237020

Filename

6559155