{"title":"Magnetization dynamics: From the Landau-Lifschitz equation to spintronics.","authors":"Yves Acremann","doi":"10.1063/4.0000290","DOIUrl":null,"url":null,"abstract":"<p><p>Magnetic storage devices are still an essential part of our information society, and magnetic random access memory could bridge the gap between storage and memory devices. Jo Stöhr pioneered the study of magnetism and its dynamics by time-resolved x-ray microscopy and spectroscopy. In this paper, we focus on the applied aspects of spin dynamics and on how time-resolved circular dichroism and x-ray microscopy helped develop magnetic random access memory.</p>","PeriodicalId":48683,"journal":{"name":"Structural Dynamics-Us","volume":"12 2","pages":"024502"},"PeriodicalIF":2.3000,"publicationDate":"2025-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11943153/pdf/","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Structural Dynamics-Us","FirstCategoryId":"101","ListUrlMain":"https://doi.org/10.1063/4.0000290","RegionNum":2,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"2025/3/1 0:00:00","PubModel":"eCollection","JCR":"Q3","JCRName":"CHEMISTRY, PHYSICAL","Score":null,"Total":0}
引用次数: 0
Abstract
Magnetic storage devices are still an essential part of our information society, and magnetic random access memory could bridge the gap between storage and memory devices. Jo Stöhr pioneered the study of magnetism and its dynamics by time-resolved x-ray microscopy and spectroscopy. In this paper, we focus on the applied aspects of spin dynamics and on how time-resolved circular dichroism and x-ray microscopy helped develop magnetic random access memory.
Structural Dynamics-UsCHEMISTRY, PHYSICALPHYSICS, ATOMIC, MOLECU-PHYSICS, ATOMIC, MOLECULAR & CHEMICAL
CiteScore
5.50
自引率
3.60%
发文量
24
审稿时长
16 weeks
期刊介绍：
Structural Dynamics focuses on the recent developments in experimental and theoretical methods and techniques that allow a visualization of the electronic and geometric structural changes in real time of chemical, biological, and condensed-matter systems. The community of scientists and engineers working on structural dynamics in such diverse systems often use similar instrumentation and methods.
The journal welcomes articles dealing with fundamental problems of electronic and structural dynamics that are tackled by new methods, such as:
Time-resolved X-ray and electron diffraction and scattering,
Coherent diffractive imaging,
Time-resolved X-ray spectroscopies (absorption, emission, resonant inelastic scattering, etc.),
Time-resolved electron energy loss spectroscopy (EELS) and electron microscopy,
Time-resolved photoelectron spectroscopies (UPS, XPS, ARPES, etc.),
Multidimensional spectroscopies in the infrared, the visible and the ultraviolet,
Nonlinear spectroscopies in the VUV, the soft and the hard X-ray domains,
Theory and computational methods and algorithms for the analysis and description of structuraldynamics and their associated experimental signals.
These new methods are enabled by new instrumentation, such as:
X-ray free electron lasers, which provide flux, coherence, and time resolution,
New sources of ultrashort electron pulses,
New sources of ultrashort vacuum ultraviolet (VUV) to hard X-ray pulses, such as high-harmonic generation (HHG) sources or plasma-based sources,
New sources of ultrashort infrared and terahertz (THz) radiation,
New detectors for X-rays and electrons,
New sample handling and delivery schemes,
New computational capabilities.
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