Real-space observation of magnetic excitations and avalanche behavior in artificial quasicrystal lattices

Brajuskovic, V.; Barrows, F.; Phatak, C.; Petford-Long, A. K.

doi:10.1038/srep34384

Title: Real-space observation of magnetic excitations and avalanche behavior in artificial quasicrystal lattices

Abstract

Artificial spin ice lattices have emerged as model systems for studying magnetic frustration in recent years. Most work to date has looked at periodic artificial spin ice lattices. In this paper, we observe frustration effects in quasicrystal artificial spin ice lattices that lack translational symmetry and contain vertices with different numbers of interacting elements. We find that as the lattice state changes following demagnetizing and annealing, specific vertex motifs retain low-energy configurations, which excites other motifs into higher energy configurations. In addition, we find that unlike the magnetization reversal process for periodic artificial spin ice lattices, which occurs through 1D avalanches, quasicrystal lattices undergo reversal through a dendritic 2D avalanche mechanism.

Authors:

Brajuskovic, V. ^[1]; Barrows, F. ^[1]; Phatak, C. ^[2]; Petford-Long, A. K. ^[1]

Argonne National Lab. (ANL), Lemont, IL (United States); Northwestern Univ., Evanston, IL (United States)
Argonne National Lab. (ANL), Lemont, IL (United States)

Publication Date:: Mon Oct 03 00:00:00 EDT 2016

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:: 1335879

Grant/Contract Number:: AC02-06CH11357

Resource Type:: Accepted Manuscript

Journal Name:: Scientific Reports

Additional Journal Information:: Journal Volume: 6; Journal ID: ISSN 2045-2322

Publisher:: Nature Publishing Group

Country of Publication:: United States

Language:: English

Subject:: 36 MATERIALS SCIENCE; artificial spin ice; frustrated magnetism; quasicrystals

Citation Formats


                    Brajuskovic, V., Barrows, F., Phatak, C., and Petford-Long, A. K. Real-space observation of magnetic excitations and avalanche behavior in artificial quasicrystal lattices.  United States: N. p., 2016. 
Web.  doi:10.1038/srep34384.

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                    Brajuskovic, V., Barrows, F., Phatak, C., & Petford-Long, A. K. Real-space observation of magnetic excitations and avalanche behavior in artificial quasicrystal lattices.  United States.  https://doi.org/10.1038/srep34384

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                    Brajuskovic, V., Barrows, F., Phatak, C., and Petford-Long, A. K. Mon .  
"Real-space observation of magnetic excitations and avalanche behavior in artificial quasicrystal lattices".  United States.  https://doi.org/10.1038/srep34384.  https://www.osti.gov/servlets/purl/1335879.

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@article{osti_1335879,

  title        = {Real-space observation of magnetic excitations and avalanche behavior in artificial quasicrystal lattices},

  author       = {Brajuskovic, V. and Barrows, F. and Phatak, C. and Petford-Long, A. K.},

  abstractNote = {Artificial spin ice lattices have emerged as model systems for studying magnetic frustration in recent years. Most work to date has looked at periodic artificial spin ice lattices. In this paper, we observe frustration effects in quasicrystal artificial spin ice lattices that lack translational symmetry and contain vertices with different numbers of interacting elements. We find that as the lattice state changes following demagnetizing and annealing, specific vertex motifs retain low-energy configurations, which excites other motifs into higher energy configurations. In addition, we find that unlike the magnetization reversal process for periodic artificial spin ice lattices, which occurs through 1D avalanches, quasicrystal lattices undergo reversal through a dendritic 2D avalanche mechanism.},

  doi          = {10.1038/srep34384},

  journal      = {Scientific Reports},

  number       = ,

  volume       = 6,

  place        = {United States},

  year         = {Mon Oct 03 00:00:00 EDT 2016},

  month        = {Mon Oct 03 00:00:00 EDT 2016}

}

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Title: Real-space observation of magnetic excitations and avalanche behavior in artificial quasicrystal lattices

Abstract

Citation Formats

Magnetic monopoles in spin ice journal, January 2008

Geometrical Frustration in the Ferromagnetic Pyrochlore Ho 2 Ti 2 O 7 journal, September 1997

Low-temperature spin freezing in the Dy 2 Ti 2 O 7 spin ice journal, February 2004

Real-space observation of emergent magnetic monopoles and associated Dirac strings in artificial kagome spin ice journal, October 2010

Thermal ground-state ordering and elementary excitations in artificial magnetic square ice journal, November 2010

Direct observation of magnetic monopole defects in an artificial spin-ice system journal, April 2010

Long-range magnetic order in the quasicrystalline approximant Cd 6 Tb journal, December 2010

A family of binary magnetic icosahedral quasicrystals based on rare earths and cadmium journal, June 2013

Decagonal Quasiferromagnetic Microstructure on the Penrose Tiling journal, April 2003

Novel properties of frustrated low-dimensional magnets with pentagonal symmetry journal, September 2010

Controlled Magnetic Reversal in Permalloy Films Patterned into Artificial Quasicrystals journal, August 2013

Nonstochastic magnetic reversal in artificial quasicrystalline spin ice journal, May 2014

Ferromagnetic resonance study of eightfold artificial ferromagnetic quasicrystals journal, May 2014

Direct imaging of coexisting ordered and frustrated sublattices in artificial ferromagnetic quasicrystals journal, April 2016

Energy Minimization and ac Demagnetization in a Nanomagnet Array journal, July 2008

Magnetic interactions and reversal of artificial square spin ices journal, July 2012

Direct observation of the ice rule in an artificial kagome spin ice journal, March 2008

Monopole defects and magnetic Coulomb blockade journal, February 2011

Vortex jump behavior in coupled nanomagnetic heterostructures journal, November 2014

Real and effective thermal equilibrium in artificial square spin ices journal, January 2013

Crystallites of magnetic charges in artificial spin ice journal, August 2013

Non-stochastic switching and emergence of magnetic vortices in artificial quasicrystal spin ice journal, August 2014

Nanoscale structure of the magnetic induction at monopole defects in artificial spin-ice lattices journal, May 2011

Magnetic Monopoles in Spin Ice journal, January 2008

Energy minimization and AC demagnetization in a nanomagnet array text, January 2008

Novel Properties of Frustrated Low Dimensional Magnets with Pentagonal Symmetry text, January 2010

Artificial ferroic systems: novel functionality from structure, interactions and dynamics journal, August 2013

Monopole defects and magnetic Coulomb blockade journal, February 2011

Magnetic interactions and reversal of artificial square spin ices journal, July 2012

Direct observation of the ice rule in artificial kagome spin ice text, January 2008

In Situ Transmission Electron Microscopy book, January 2019

Frustration and thermalization in an artificial magnetic quasicrystal journal, December 2017

Advances in artificial spin ice journal, November 2019

Magnetization reversal in kagome artificial spin ice studied by first-order reversal curves journal, October 2017

Magnetization reversal in Kagome artificial spin ice studied by first-order reversal curves text, January 2017

Angular Dependent Magnetization Dynamics with Mirror-symmetric Excitations in Artificial Quasicrystalline Nanomagnet Lattices text, January 2018

Frustration and thermalisation in an artificial magnetic quasicrystal text, January 2017

Remagnetization in the array of ferromagnetic nanowires with periodic and quasiperiodic order text, January 2018

Magnetic monopoles in spin ice
journal, January 2008

Geometrical Frustration in the Ferromagnetic Pyrochlore ${Ho}_{2} {Ti}_{2} O_{7}$
journal, September 1997

Low-temperature spin freezing in the ${Dy}_{2} {Ti}_{2} O_{7}$ spin ice
journal, February 2004

Real-space observation of emergent magnetic monopoles and associated Dirac strings in artificial kagome spin ice
journal, October 2010

Thermal ground-state ordering and elementary excitations in artificial magnetic square ice
journal, November 2010

Direct observation of magnetic monopole defects in an artificial spin-ice system
journal, April 2010

Long-range magnetic order in the quasicrystalline approximant ${Cd}_{6} Tb$
journal, December 2010

A family of binary magnetic icosahedral quasicrystals based on rare earths and cadmium
journal, June 2013

Decagonal Quasiferromagnetic Microstructure on the Penrose Tiling
journal, April 2003

Novel properties of frustrated low-dimensional magnets with pentagonal symmetry
journal, September 2010

Controlled Magnetic Reversal in Permalloy Films Patterned into Artificial Quasicrystals
journal, August 2013

Nonstochastic magnetic reversal in artificial quasicrystalline spin ice
journal, May 2014

Ferromagnetic resonance study of eightfold artificial ferromagnetic quasicrystals
journal, May 2014

Direct imaging of coexisting ordered and frustrated sublattices in artificial ferromagnetic quasicrystals
journal, April 2016

Energy Minimization and ac Demagnetization in a Nanomagnet Array
journal, July 2008

Magnetic interactions and reversal of artificial square spin ices
journal, July 2012

Direct observation of the ice rule in an artificial kagome spin ice
journal, March 2008

Monopole defects and magnetic Coulomb blockade
journal, February 2011

Vortex jump behavior in coupled nanomagnetic heterostructures
journal, November 2014

Real and effective thermal equilibrium in artificial square spin ices
journal, January 2013

Crystallites of magnetic charges in artificial spin ice
journal, August 2013

Non-stochastic switching and emergence of magnetic vortices in artificial quasicrystal spin ice
journal, August 2014

Nanoscale structure of the magnetic induction at monopole defects in artificial spin-ice lattices
journal, May 2011

Magnetic Monopoles in Spin Ice
journal, January 2008

Energy minimization and AC demagnetization in a nanomagnet array
text, January 2008

Novel Properties of Frustrated Low Dimensional Magnets with Pentagonal Symmetry
text, January 2010

Artificial ferroic systems: novel functionality from structure, interactions and dynamics
journal, August 2013

Monopole defects and magnetic Coulomb blockade
journal, February 2011

Magnetic interactions and reversal of artificial square spin ices
journal, July 2012

Direct observation of the ice rule in artificial kagome spin ice
text, January 2008

In Situ Transmission Electron Microscopy
book, January 2019

Frustration and thermalization in an artificial magnetic quasicrystal
journal, December 2017

Advances in artificial spin ice
journal, November 2019

Magnetization reversal in kagome artificial spin ice studied by first-order reversal curves
journal, October 2017

Magnetization reversal in Kagome artificial spin ice studied by first-order reversal curves
text, January 2017

Angular Dependent Magnetization Dynamics with Mirror-symmetric Excitations in Artificial Quasicrystalline Nanomagnet Lattices
text, January 2018

Frustration and thermalisation in an artificial magnetic quasicrystal
text, January 2017

Remagnetization in the array of ferromagnetic nanowires with periodic and quasiperiodic order
text, January 2018