Heusler合金磁性纳米线的制备方法及磁性的研究进展.docx

Heusler合金磁性纳米线的制备方法及磁性的研究进展
摘要
Heusler合金磁性纳米线因其丰富的物理性质和多样的应用前景备受研究者关注。本文综述了Heusler合金磁性纳米线的制备方法及磁性的研究进展。介绍了常见的制备方法包括物理气相沉积法、电化学沉积法、溶液化学合成法等，以及制备过程中对Heusler合金磁性纳米线结构和性质的影响因素。针对Heusler合金磁性纳米线的磁性，从磁畴结构、磁各向异性、磁相变等方面进行了详细的介绍，阐述了磁性研究在其应用上的重要性和应用前景。最后，对Heusler合金磁性纳米线的未来研究方向进行了展望。
关键词：Heusler合金，磁性纳米线，制备方法，磁性，应用
Introduction
Heusleralloys,namedafterFritzHeusler,aremetalliccompoundswithacubiccrystalstructure.Thesealloyshaveattractedwidespreadattentionbecauseoftheiruniquephysicalpropertiesandpotentialapplicationsinspintronics,magneticstorage,andmagneticsensors[1-3].AmongthevariousformsofHeusleralloys,magneticnanowireshavereceivedparticularattentionduetotheirsmallsize,highaspectratio,andtunablemagneticproperties[4,5].Inrecentyears,manyeffortshavebeendevotedtothesynthesisandcharacterizationofHeusleralloynanowireswithtailoredmorphologyandmagneticproperties.
Inthisreview,wesummarizetherecentadvancesinthefabricationandmagneticpropertiesofHeusleralloymagneticnanowires.WefirstintroducethecommonlyusedfabricationmethodsforHeusleralloynanowires,includingphysicalvapordeposition,electrochemicaldeposition,andsolution-basedchemicalsynthesis.Wediscussthekeyfactorsthatinfluencethemorphology,crystalstructure,andmagneticpropertiesofthenanowires.Then,wefocusonthemagneticpropertiesofHeusleralloynanowires,includingmagneticdomainstructure,magneticanisotropy,andmagneticphasetransition.Wehighlighttheimportanceofunderstandingthemagneticpropertiesforpotentialapplicationsinmagneticstorageandmagneticsensors.Finally,weprovideanoutlookonthefutureresearchdirectionsofHeusleralloymagneticnanowires.
SynthesisofHeusleralloymagneticnanowires
Physicalvapordeposition(PVD)hasbeenwidelyusedtosynthesizeHeusleralloymagneticnanowiresduetoitsabilitytocontrolthenanowirelengthanddiameter[6-8].InPVD,ametalsubstrateisheatedinvacuum,andtheHeusleralloyisdepositedontothesubstrateusingapulsedlaserorelectronbeam[9-11].Thismethodallowsforthecreationofdefect-freenanowireswithuniformdiameterandcomposition.
Electrochemicaldeposition(