Depinning transition of a domain wall in ferromagnetic films

Xi, Bin; Luo, Meng -Bo; Vinokur, Valerii M.; Hu, Xiao

doi:10.1038/srep14062

Title: Depinning transition of a domain wall in ferromagnetic films

Abstract

We report first principle numerical study of domain wall (DW) depinning in two-dimensional magnetic film, which is modeled by 2D random-field Ising system with the dipole-dipole interaction. We observe nonconventional activation-type motion of DW and reveal the fractal structure of DW near the depinning transition. We determine scaling functions describing critical dynamics near the transition and obtain universal exponents establishing connection between thermal softening of pinning potential and critical dynamics. We observe that tuning the strength of the dipole-dipole interaction switches DW dynamics between two different universality classes, corresponding to two distinct dynamic regimes characterized by non-Arrhenius and conventional Arrhenius-type DW motions.

Authors:

Xi, Bin ^[1]; Luo, Meng -Bo ^[2]; Vinokur, Valerii M. ^[3]; Hu, Xiao ^[1]

National Institute for Materials Science, Tsukuba (Japan)
Zhejiang Univ., Hangzhou (China)
Argonne National Lab. (ANL), Argonne, IL (United States)

Publication Date:: Mon Sep 14 00:00:00 EDT 2015

Research Org.:: Argonne National Laboratory (ANL), Argonne, IL (United States)

Sponsoring Org.:: USDOE Office of Science (SC), Basic Energy Sciences (BES); Materials Sciences and Engineering Division

OSTI Identifier:: 1221987

Alternate Identifier(s):: OSTI ID: 1356362

Grant/Contract Number:: AC02-06CH11357

Resource Type:: Accepted Manuscript

Journal Name:: Scientific Reports

Additional Journal Information:: Journal Volume: 5; Journal ID: ISSN 2045-2322

Publisher:: Nature Publishing Group

Country of Publication:: United States

Language:: English

Subject:: 36 MATERIALS SCIENCE; ferromagnetism; phase transition and critical phenomena

Citation Formats


                    Xi, Bin, Luo, Meng -Bo, Vinokur, Valerii M., and Hu, Xiao. Depinning transition of a domain wall in ferromagnetic films.  United States: N. p., 2015. 
Web.  doi:10.1038/srep14062.

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                    Xi, Bin, Luo, Meng -Bo, Vinokur, Valerii M., & Hu, Xiao. Depinning transition of a domain wall in ferromagnetic films.  United States.  https://doi.org/10.1038/srep14062

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                    Xi, Bin, Luo, Meng -Bo, Vinokur, Valerii M., and Hu, Xiao. Mon .  
"Depinning transition of a domain wall in ferromagnetic films".  United States.  https://doi.org/10.1038/srep14062.  https://www.osti.gov/servlets/purl/1221987.

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@article{osti_1221987,

  title        = {Depinning transition of a domain wall in ferromagnetic films},

  author       = {Xi, Bin and Luo, Meng -Bo and Vinokur, Valerii M. and Hu, Xiao},

  abstractNote = {We report first principle numerical study of domain wall (DW) depinning in two-dimensional magnetic film, which is modeled by 2D random-field Ising system with the dipole-dipole interaction. We observe nonconventional activation-type motion of DW and reveal the fractal structure of DW near the depinning transition. We determine scaling functions describing critical dynamics near the transition and obtain universal exponents establishing connection between thermal softening of pinning potential and critical dynamics. We observe that tuning the strength of the dipole-dipole interaction switches DW dynamics between two different universality classes, corresponding to two distinct dynamic regimes characterized by non-Arrhenius and conventional Arrhenius-type DW motions.},

  doi          = {10.1038/srep14062},

  journal      = {Scientific Reports},

  number       = ,

  volume       = 5,

  place        = {United States},

  year         = {Mon Sep 14 00:00:00 EDT 2015},

  month        = {Mon Sep 14 00:00:00 EDT 2015}

}

Copy to clipboard

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Similar Records

Title: Depinning transition of a domain wall in ferromagnetic films

Abstract

Citation Formats

Thermal rounding of the depinning transition journal, December 2007

Interface Depinning in a Disordered Medium - Numerical Results text, January 1993

Statics and dynamics of elastic manifolds in media with long-range correlated disorder text, January 2006

Fast current-induced domain-wall motion controlled by the Rashba effect journal, May 2011

Creep dynamics of elastic manifolds via exact transition pathways text, January 2009

Critical exponents of the driven elastic string in a disordered medium text, January 2005

Vortex-glass phases in type-II superconductors journal, July 2000

Domain Wall Depinning in Random Media by AC Fields text, January 2002

Magnetic Domain-Wall Racetrack Memory journal, April 2008

Efficient Monte Carlo algorithm and high-precision results for percolation text, January 2000

Renormalization of pinned elastic systems: how does it work beyond one loop ? text, January 2000

Magnetic Domain-Wall Logic journal, September 2005

Hysteretic Dynamics of Domain Walls at Finite Temperatures journal, October 2001

Magnetic Domain-Wall Racetrack Memory journal, April 2008

Current-Controlled Magnetic Domain-Wall Nanowire Shift Register journal, April 2008

Magnetic Domain-Wall Logic journal, September 2005

Fast current-induced domain-wall motion controlled by the Rashba effect journal, May 2011

Two-barrier stability that allows low-power operation in current-induced domain-wall motion journal, June 2013

Dynamics of interfaces and dislocations in disordered media journal, December 1987

Threshold Behavior of Charge-Density Waves Pinned by Impurities journal, May 1983

Domain Wall Depinning in Random Media by ac Fields journal, January 2003

Depinning of elastic manifolds journal, February 2003

Critical exponents of the driven elastic string in a disordered medium journal, June 2005

Thermal rounding of the depinning transition journal, December 2007

Creep dynamics of elastic manifolds via exact transition pathways journal, May 2009

Elastic string in a random potential journal, February 1993

Efficient Monte Carlo Algorithm and High-Precision Results for Percolation journal, November 2000

Sliding charge-density waves as a dynamic critical phenomenon journal, February 1985

Renormalization of Pinned Elastic Systems: How Does It Work Beyond One Loop? journal, February 2001

Influence of temperature on the depinning transition of driven interfaces journal, December 1998

Depinning transition and thermal fluctuations in the random-field Ising model journal, November 1999

Depinning and Creep Motion in Glass States of Flux Lines journal, June 2007

Vortex-glass phases in type-II superconductors journal, July 2000

Interface depinning in a disordered medium — numerical results journal, May 1993

Anomalous scaling of mortar fracture surfaces journal, January 2005

Anomalous scaling and super-roughness in the growth of CdTe polycrystalline films journal, September 2008

Statics and dynamics of elastic manifolds in media with long-range correlated disorder journal, December 2006

Depinning exponents of the driven long-range elastic string journal, January 2007

Equation of State Calculations by Fast Computing Machines journal, June 1953

Creep and Flow Regimes of Magnetic Domain-Wall Motion in Ultrathin Pt / Co / Pt Films with Perpendicular Anisotropy journal, November 2007

Thermal rounding of the depinning transition
journal, December 2007

Interface Depinning in a Disordered Medium - Numerical Results
text, January 1993

Statics and dynamics of elastic manifolds in media with long-range correlated disorder
text, January 2006

Fast current-induced domain-wall motion controlled by the Rashba effect
journal, May 2011

Creep dynamics of elastic manifolds via exact transition pathways
text, January 2009

Critical exponents of the driven elastic string in a disordered medium
text, January 2005

Vortex-glass phases in type-II superconductors
journal, July 2000

Domain Wall Depinning in Random Media by AC Fields
text, January 2002

Magnetic Domain-Wall Racetrack Memory
journal, April 2008

Efficient Monte Carlo algorithm and high-precision results for percolation
text, January 2000

Renormalization of pinned elastic systems: how does it work beyond one loop ?
text, January 2000

Magnetic Domain-Wall Logic
journal, September 2005

Hysteretic Dynamics of Domain Walls at Finite Temperatures
journal, October 2001

Magnetic Domain-Wall Racetrack Memory
journal, April 2008

Current-Controlled Magnetic Domain-Wall Nanowire Shift Register
journal, April 2008

Magnetic Domain-Wall Logic
journal, September 2005

Fast current-induced domain-wall motion controlled by the Rashba effect
journal, May 2011

Two-barrier stability that allows low-power operation in current-induced domain-wall motion
journal, June 2013

Dynamics of interfaces and dislocations in disordered media
journal, December 1987

Threshold Behavior of Charge-Density Waves Pinned by Impurities
journal, May 1983

Domain Wall Depinning in Random Media by ac Fields
journal, January 2003

Depinning of elastic manifolds
journal, February 2003

Critical exponents of the driven elastic string in a disordered medium
journal, June 2005

Thermal rounding of the depinning transition
journal, December 2007

Creep dynamics of elastic manifolds via exact transition pathways
journal, May 2009

Elastic string in a random potential
journal, February 1993

Efficient Monte Carlo Algorithm and High-Precision Results for Percolation
journal, November 2000

Sliding charge-density waves as a dynamic critical phenomenon
journal, February 1985

Renormalization of Pinned Elastic Systems: How Does It Work Beyond One Loop?
journal, February 2001

Influence of temperature on the depinning transition of driven interfaces
journal, December 1998

Depinning transition and thermal fluctuations in the random-field Ising model
journal, November 1999

Depinning and Creep Motion in Glass States of Flux Lines
journal, June 2007

Vortex-glass phases in type-II superconductors
journal, July 2000

Interface depinning in a disordered medium — numerical results
journal, May 1993

Anomalous scaling of mortar fracture surfaces
journal, January 2005

Anomalous scaling and super-roughness in the growth of CdTe polycrystalline films
journal, September 2008

Statics and dynamics of elastic manifolds in media with long-range correlated disorder
journal, December 2006

Depinning exponents of the driven long-range elastic string
journal, January 2007

Equation of State Calculations by Fast Computing Machines
journal, June 1953

Creep and Flow Regimes of Magnetic Domain-Wall Motion in Ultrathin $Pt / Co / Pt$ Films with Perpendicular Anisotropy
journal, November 2007