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  • Ingason, Arni SigurdurLinköpings universitet,Tunnfilmsfysik,Tekniska högskolan (author)

A Nanolaminated Magnetic Phase: Mn2GaC

  • Article/chapterEnglish2014

Publisher, publication year, extent ...

  • 2013-12-09
  • Taylor & Francis,2014
  • printrdacarrier

Numbers

  • LIBRIS-ID:oai:DiVA.org:liu-77774
  • https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-77774URI
  • https://doi.org/10.1080/21663831.2013.865105DOI

Supplementary language notes

  • Language:English
  • Summary in:English

Part of subdatabase

Classification

  • Subject category:ref swepub-contenttype
  • Subject category:art swepub-publicationtype

Notes

  • On the day of the defence date the status of this article was previous Manuscript. The original title of the Manuscript was Magnetic nanoscale laminates from first principles and thin film synthesis.
  • Layered magnetic materials are fascinating from the point of view of fundamental science as well as applications. Discoveries such as giant magnetoresistance (GMR) in magnetic multilayers have revolutionized data storage and magnetic recording, and concurrently initiated the search for new layered magnetic materials. One group of inherently nanolaminated compounds are the so called Mn+1AXn (MAX) phases. Due to the large number of isostructural compositions, researchers are exploring the wide range of interesting properties, and not primarily functionalization through optimization of structural quality. Magnetic MAX phases have been discussed in the literature, though this is hitherto an unreported phenomenon. However, such materials would be highly interesting, based on the attractive and useful properties attained with layered magnetic materials to date. Here we present a new MAX phase, (Cr1–xMnx)2GeC, synthesized as thin film in heteroepitaxial form, showing single crystal material with unprecedented structural MAX phase quality. The material was identified using first-principles calculations to study stability of hypothetical MAX phases, in an eort to identify a potentially magnetic material. The theory predicts a variety of magnetic behavior depending on the Mn concentration and Cr/Mn atomic conguration within the sublattice. The analyzed thin films display a magnetic signal well above room temperature and with partly ferromagnetic ordering. These very promising results open up a field of new layered magnetic materials, with high potential for electronics and spintronics applications.

Subject headings and genre

  • MAX phases
  • sputtering
  • transmission electron microscopy (TEM)
  • ab initio calculation

Added entries (persons, corporate bodies, meetings, titles ...)

  • Mockute, AurelijaLinköpings universitet,Tunnfilmsfysik,Tekniska högskolan (author)
  • Dahlqvist, MartinLinköpings universitet,Tunnfilmsfysik,Tekniska högskolan(Swepub:liu)marda09 (author)
  • Magnus, F.Science Institute, University of Iceland, Reykjavik, Iceland (author)
  • Olafsson, S.Science Institute, University of Iceland, Dunhaga 3, IS-107 Reykjavik, Iceland (author)
  • Arnalds, U.Department of Physics, Uppsala University, Box 530, S-751 21 Uppsala, Sweden (author)
  • Alling, BjörnLinköpings universitet,Teoretisk Fysik,Tekniska högskolan(Swepub:liu)bjoal69 (author)
  • Abrikosov, IgorLinköpings universitet,Teoretisk Fysik,Tekniska högskolan(Swepub:liu)igoab43 (author)
  • Hjorvarsson, B.Department of Physics, Uppsala University, Uppsala, Sweden (author)
  • Persson, Per O ÅLinköpings universitet,Tunnfilmsfysik,Tekniska högskolan(Swepub:liu)perpe25 (author)
  • Rosén, JohannaLinköpings universitet,Tunnfilmsfysik,Tekniska högskolan(Swepub:liu)johro07 (author)
  • Linköpings universitetTunnfilmsfysik (creator_code:org_t)

Related titles

  • In:Materials Research Letters: Taylor & Francis2:2, s. 89-932166-3831

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