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  • Book
  • © 2015

Relationship Between Structure and Magnetic Behaviour in ZnO-Based Systems

  • Nominated as an outstanding Ph.D. thesis by the University of Zaragoza, Spain
  • Proves the intrinsic nature of the high-temperature ferromagnetism found in ZnO semiconductor materials and its relationship to structural properties
  • Provides direct support for the occurrence of oxygen ferromagnetism in oxide semiconductors
  • Includes supplementary material: sn.pub/extras

Part of the book series: Springer Theses (Springer Theses)

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Table of contents (7 chapters)

  1. Front Matter

    Pages i-xiv
  2. Introduction

    • Clara Guglieri Rodríguez
    Pages 1-9
  3. Synthesis and In-house Characterization of Materials

    • Clara Guglieri Rodríguez
    Pages 11-35
  4. XAS and XMCD Spectroscopies

    • Clara Guglieri Rodríguez
    Pages 37-66
  5. Zinc K-edge XMCD Study of ZnO-Based Magnetic Semiconductors

    • Clara Guglieri Rodríguez
    Pages 97-110
  6. Summary and Conclusions

    • Clara Guglieri Rodríguez
    Pages 135-138
  7. Back Matter

    Pages 139-146

About this book

This work studies the magnetic behavior of ZnO nanoparticles capped with different organic molecules and showing room-temperature ferromagnetism (RTFM). Of particular significance is the combination of element-specific X-ray absorption spectroscopy (XAS) and X-ray magnetic circular dichroism (XMCD) techniques, which demonstrates the intrinsic occurrence of RTFM in these systems and indicates that it is not related to the 3-D states of the metallic cation but is relayed along the conduction band of the semiconductor. The discovery of room-temperature ferromagnetism (RTFM) in semiconductors holds great promise in future spintronics technologies.  
Further results presented here include O K-edge XMCD studies, which demonstrate that the oxygen ions have a ferromagnetic response in these ZnO-based systems, providing the first direct support for claims regarding the appearance of oxygen ferromagnetism in oxide semiconductors at the nanoscale.

Authors and Affiliations

  • Consejo Superior de Investigaciones Cientificas, University of Zaragoza, Zaragoza, Spain

    Clara Guglieri Rodríguez

Bibliographic Information

Buy it now

Buying options

eBook USD 84.99
Price excludes VAT (USA)
  • Available as EPUB and PDF
  • Read on any device
  • Instant download
  • Own it forever
Hardcover Book USD 109.99
Price excludes VAT (USA)
  • Durable hardcover edition
  • Dispatched in 3 to 5 business days
  • Free shipping worldwide - see info

Tax calculation will be finalised at checkout

Other ways to access