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Theory of spin-transfer torque and domain wall motion in magnetic nanostructures

S. E. Barnes and S. Maekawa

in Concepts in Spin Electronics

Published in print:
2006
Published Online:
September 2007
ISBN:
9780198568216
eISBN:
9780191718212
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198568216.003.0007
Subject:
Physics, Condensed Matter Physics / Materials

This chapter develops the theory for the dynamics of domain walls in the context of spin electronic devices. The transfer of angular momentum (torque transfer) between an electrical current and a ... More


Micromagnetic models

Ralph Skomski

in Simple Models of Magnetism

Published in print:
2008
Published Online:
January 2010
ISBN:
9780198570752
eISBN:
9780191718816
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198570752.003.0004
Subject:
Physics, Condensed Matter Physics / Materials

Hysteresis is a key feature of magnetic materials, and its prediction from atomic or intrinsic parameters is a major challenge in magnetism. The determination of hysteresis loops from local ... More


Concepts in Spin Electronics

Sadamichi Maekawa (ed.)

Published in print:
2006
Published Online:
September 2007
ISBN:
9780198568216
eISBN:
9780191718212
Item type:
book
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198568216.001.0001
Subject:
Physics, Condensed Matter Physics / Materials

Nowadays, information technology is based on semiconductor and ferromagnetic materials. Information processing and computation are performed using electron charge in semiconductor transistors and ... More


Magnetic Domains and the Process of Magnetization

Kannan M. Krishnan

in Fundamentals and Applications of Magnetic Materials

Published in print:
2016
Published Online:
December 2016
ISBN:
9780199570447
eISBN:
9780191813504
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199570447.003.0007
Subject:
Physics, Condensed Matter Physics / Materials

In this chapter we introduce the relevant energy terms to determine the formation of domains. The regions of transition separating one domain from the next are classified as Bloch, Néel, or cross-tie ... More


First-Principles Studies of Structural Domain Walls

J. Íñiguez

in Domain Walls: From Fundamental Properties to Nanotechnology Concepts

Published in print:
2020
Published Online:
October 2020
ISBN:
9780198862499
eISBN:
9780191895319
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198862499.003.0003
Subject:
Physics, Condensed Matter Physics / Materials, Theoretical, Computational, and Statistical Physics

This chapter discusses representative first-principles studies of structural domain walls in ferroics, focusing on the compounds that have received most attention by the simulations community so far: ... More


Ferroic domain walls as model disordered elastic systems

Patrycja Paruch

in Strongly Interacting Quantum Systems out of Equilibrium: Lecture Notes of the Les Houches Summer School: Volume 99, August 2012

Published in print:
2016
Published Online:
August 2016
ISBN:
9780198768166
eISBN:
9780191821905
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198768166.003.0008
Subject:
Physics, Theoretical, Computational, and Statistical Physics

This chapter focuses specifically on ferroic domain walls, the thin interfaces separating different orientations of ferromagnetic magnetization, ferroelectric polarization, or ferroelastic strain in ... More


Chiral symmetry and lattice fermions

David B. Kaplan

in Modern Perspectives in Lattice QCD: Quantum Field Theory and High Performance Computing: Lecture Notes of the Les Houches Summer School: Volume 93, August 2009

Published in print:
2011
Published Online:
January 2012
ISBN:
9780199691609
eISBN:
9780191731792
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199691609.003.0004
Subject:
Physics, Theoretical, Computational, and Statistical Physics

This chapter discusses chiral symmetry in quantum field theories with fermions, and how to represent the fermions in lattice regularizations so as to preserve the symmetry to the fullest extent ... More


Edge States and Fermion Zero Modes on Soliton

VOLOVIK GRIGORY E.

in The Universe in a Helium Droplet

Published in print:
2009
Published Online:
January 2010
ISBN:
9780199564842
eISBN:
9780191709906
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199564842.003.0022
Subject:
Physics, Condensed Matter Physics / Materials, Particle Physics / Astrophysics / Cosmology

This chapter opens the part of the book devoted to fermions living in the core of topological objects. If fermions in bulk are fully gapped, then at low temperature they are frozen out, and only ... More


Topological Defects As Source Of Non-Trivial Metric

VOLOVIK GRIGORY E.

in The Universe in a Helium Droplet

Published in print:
2009
Published Online:
January 2010
ISBN:
9780199564842
eISBN:
9780191709906
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199564842.003.0030
Subject:
Physics, Condensed Matter Physics / Materials, Particle Physics / Astrophysics / Cosmology

Topological defects in 3He-A represent the topologically stable configurations of the order parameter. Since some components of the order parameter serve as the metric field of effective gravity, one ... More


Physical Properties inside Domain Walls: Basic Principles and Scanning Probe Measurements

G. Catalan and N. Domingo

in Domain Walls: From Fundamental Properties to Nanotechnology Concepts

Published in print:
2020
Published Online:
October 2020
ISBN:
9780198862499
eISBN:
9780191895319
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198862499.003.0001
Subject:
Physics, Condensed Matter Physics / Materials, Theoretical, Computational, and Statistical Physics

This chapter explains that the field of domain wall (DW) nanoelectronics is predicated on the premise that the distinct physical properties of domain walls offer new conceptual possibilities for ... More


Improper Ferroelectric Domain Walls

D. M. Evans, Ch. Cochard, R. G. P. McQuaid, A. Cano, J. M. Gregg, and D. Meier

in Domain Walls: From Fundamental Properties to Nanotechnology Concepts

Published in print:
2020
Published Online:
October 2020
ISBN:
9780198862499
eISBN:
9780191895319
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198862499.003.0006
Subject:
Physics, Condensed Matter Physics / Materials, Theoretical, Computational, and Statistical Physics

This chapter focuses on the specific physical properties at domain walls in ferroelectric materials where the spontaneous electric polarization appears as a by-product of a structural or magnetic ... More


Nanoscale Ferroelectric Switching: A Method to Inject and Study Non-equilibrium Domain Walls

A. V. Ievlev, A. Tselev, R. Vasudevan, S. V. Kalinin, A. Morozovska, and P. Maksymovych

in Domain Walls: From Fundamental Properties to Nanotechnology Concepts

Published in print:
2020
Published Online:
October 2020
ISBN:
9780198862499
eISBN:
9780191895319
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198862499.003.0011
Subject:
Physics, Condensed Matter Physics / Materials, Theoretical, Computational, and Statistical Physics

This chapter focuses on the electric field-induced formation of a single nanoscale polarization domain, emphasizing that nucleation, growth, and annihilation of such a domain enables injection of ... More


Landau–Ginzburg–Devonshire Theory for Domain Wall Conduction and Observation of Microwave Conduction of Domain Walls

A. Tselev, A. V. Ievlev, R. Vasudevan, S. V. Kalinin, P. Maksymovych, and A. Morozovska

in Domain Walls: From Fundamental Properties to Nanotechnology Concepts

Published in print:
2020
Published Online:
October 2020
ISBN:
9780198862499
eISBN:
9780191895319
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198862499.003.0012
Subject:
Physics, Condensed Matter Physics / Materials, Theoretical, Computational, and Statistical Physics

This chapter concerns DW electrical conduction. It first addresses the phenomenology of charged domain walls in the context of a Landau-Ginzburg-Devonshire (LGD) model for the ferroelectric ... More


Introduction

T. Kimura

in Spin Current

Published in print:
2012
Published Online:
December 2013
ISBN:
9780199600380
eISBN:
9780191775062
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199600380.003.0019
Subject:
Physics, Condensed Matter Physics / Materials

This chapter discusses the spin-transfer effect, which is described as the transfer of the spin angular momentum between the conduction electrons and the magnetisation of the ferromagnet that occurs ... More


Three-Dimensional Optical Analysis of Ferroelectric Domain Walls

A. Haußmann, L. M. Eng, and S. Cherifi-Hertel

in Domain Walls: From Fundamental Properties to Nanotechnology Concepts

Published in print:
2020
Published Online:
October 2020
ISBN:
9780198862499
eISBN:
9780191895319
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198862499.003.0007
Subject:
Physics, Condensed Matter Physics / Materials, Theoretical, Computational, and Statistical Physics

This chapter presents the latest results demonstrating the flexibility and sensitivity of optical methods for the investigation of the physical properties of DWs in 3D. Domain walls in ferroelectric ... More


Fundamental Properties of Ferroelectric Domain Walls from Ginzburg–Landau Models

P. Ondrejkovic, P. Marton, V. Stepkova, and J. Hlinka

in Domain Walls: From Fundamental Properties to Nanotechnology Concepts

Published in print:
2020
Published Online:
October 2020
ISBN:
9780198862499
eISBN:
9780191895319
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198862499.003.0004
Subject:
Physics, Condensed Matter Physics / Materials, Theoretical, Computational, and Statistical Physics

This chapter discusses the contemporary possibilities, prospects, and limitations of phase-field simulations and Ginzburg-Landau-Devonshire models of DWs. It focuses on the most studied ferroelectric ... More


Electronics Based on Domain Walls

J. Seidel and R. Ramesh

in Domain Walls: From Fundamental Properties to Nanotechnology Concepts

Published in print:
2020
Published Online:
October 2020
ISBN:
9780198862499
eISBN:
9780191895319
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198862499.003.0015
Subject:
Physics, Condensed Matter Physics / Materials, Theoretical, Computational, and Statistical Physics

This chapter reviews some of the initial developments and recently introduced potential application concepts related to domain walls in ferroelectrics and multiferroics. It gives a special ... More


Novel Phases at Domain Walls

S. Farokhipoor, C. Magen, D. Rubi, and B. Noheda

in Domain Walls: From Fundamental Properties to Nanotechnology Concepts

Published in print:
2020
Published Online:
October 2020
ISBN:
9780198862499
eISBN:
9780191895319
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198862499.003.0002
Subject:
Physics, Condensed Matter Physics / Materials, Theoretical, Computational, and Statistical Physics

This chapter discusses how the intense stress fields generated at the ferroelastic domain walls in some epitaxially strained oxide layers introduce selective chemical modifications. This gives rise ... More


Domain Walls: From Fundamental Properties to Nanotechnology Concepts

Dennis Meier, Jan Seidel, Marty Gregg, and Ramamoorthy Ramesh

Published in print:
2020
Published Online:
October 2020
ISBN:
9780198862499
eISBN:
9780191895319
Item type:
book
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198862499.001.0001
Subject:
Physics, Condensed Matter Physics / Materials, Theoretical, Computational, and Statistical Physics

Technological evolution and revolution are both driven by the discovery of new functionalities, new materials and the design of yet smaller, faster, and more energy-efficient components. Progress is ... More


Introduction of spin torques

T. Kimura

in Spin Current

Published in print:
2017
Published Online:
December 2017
ISBN:
9780198787075
eISBN:
9780191829147
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198787075.003.0019
Subject:
Physics, Condensed Matter Physics / Materials

This chapter discusses the spin-transfer effect, which is described as the transfer of the spin angular momentum between the conduction electrons and the magnetization of the ferromagnet that occurs ... More


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