Phase locking of vortex cores in two coupled magnetic nanopillars

被引：1

作者：

Zhu, Qiyuan ^{[1
]}

Liu, Xianyin ^{[1
]}

Zheng, Qi ^{[1
]}

Zhang, Senfu ^{[1
]}

Wang, Jianbo ^{[1
]}

Liu, Qingfang ^{[1
]}

机构：

[1] Lanzhou Univ, Minist Educ, Key Lab Magnetism & Magnet Mat, Lanzhou 730000, Peoples R China

来源：

AIP ADVANCES | 2014年 / 4卷 / 11期

关键词：

27;

D O I：

10.1063/1.4902178

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Phase locking dynamics of the coupled vortex cores in two identical magnetic spin valves induced by spin-polarized current are studied by means of micromagnetic simulations. Our results show that the available current range of phase locking can be expanded significantly by the use of constrained polarizer, and the vortices undergo large orbit motions outside the polarization areas. The effects of polarization areas and dipolar interaction on the phase locking dynamics are studied systematically. Phase locking parameters extracted from simulations are discussed by theoreticians. The dynamics of vortices influenced by spin valve geometry and vortex chirality are discussed at last. This work provides deeper insights into the dynamics of phase locking and the results are important for the design of spintorque nano-oscillators. (C) 2014 Author(s).

引用

页数：7

共 50 条

[1] Predicted Multiple Cores of a Magnetic Vortex Threading a Two-Dimensional Metal Proximity Coupled to a Superconductor
Kopnin, N. B.
Khaymovich, I. M.
Mel'nikov, A. S.
[J]. PHYSICAL REVIEW LETTERS, 2013, 110 (02)
[2] Two types of magnetic vortex cores in elliptical permalloy dots
Okuno, T
Mibu, K
Shinjo, T
[J]. JOURNAL OF APPLIED PHYSICS, 2004, 95 (07) : 3612 - 3617
[3] MUTUAL PHASE LOCKING OF TWO GYROTRONS COUPLED WITH DELAY
Adilova, A. B.
Gerasimova, S. A.
Ryskin, N. M.
[J]. 2016 INTERNATIONAL CONFERENCE ON ACTUAL PROBLEMS OF ELECTRON DEVICES ENGINEERING (APEDE), VOL 1, 2016,
[4] Mutual Phase Locking of Two Gyrotrons Coupled with Delay
Adilova, Asel B.
Gerasimova, Svetlana A.
Ryskin, Nikita M.
[J]. 2016 41ST INTERNATIONAL CONFERENCE ON INFRARED, MILLIMETER, AND TERAHERTZ WAVES (IRMMW-THZ), 2016,
[5] Magnetic flux locking in two weakly coupled superconducting rings
Ouboter, RD
Omelyanchuk, AN
Vol, ED
[J]. LOW TEMPERATURE PHYSICS, 1998, 24 (10) : 767 - 769
[6] Strong consistency is not hard to get: Two-Phase Locking and Two-Phase Commit on Thousands of Cores
Barthels, Claude
Mueller, Ingo
Taranov, Konstantin
Alonso, Gustavo
Hoefler, Torsten
[J]. PROCEEDINGS OF THE VLDB ENDOWMENT, 2019, 12 (13): : 2325 - 2338
[7] Phase locking of two coupled lasers with many longitudinal modes
Fridman, Moti
Nixon, Micha
Ronen, Eitan
Friesem, Asher A.
Davidson, Nir
[J]. OPTICS LETTERS, 2010, 35 (04) : 526 - 528
[8] Study of mutual phase locking of two gyrotrons coupled with delay
Adilova, A. B.
Ryskin, N. M.
[J]. 3RD INTERNATIONAL CONFERENCE TERAHERTZ AND MICROWAVE RADIATION: GENERATION, DETECTION AND APPLICATIONS (TERA-2018), 2018, 195
[9] Phase-locking of two coupled EDF ring lasers
Fornalczyk, Marcin
Budnicki, Aleksander
Abramski, Krzysztof M.
[J]. 2007 INTERNATIONAL STUDENTS AND YOUNG SCIENTISTS WORKSHOP PHOTONICS AND MICROSYSTEMS, PROCEEDINGS, 2007, : 19 - 22
[10] Nutation-like-mode excitation of coupled vortex cores in magnetic spherical shells
Lee, Jae-Hyeok
Kim, Junhoe
Kim, Min-Kwan
Sim, Jaegun
Kim, Sang-Koog
[J]. JOURNAL OF APPLIED PHYSICS, 2017, 122 (23)

← 1 2 3 4 5 →