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The field of ultra-thin films, a subgroup of nanomaterials, has seen an upsurge in research within the last 30 years. Studies have primarily been done using neutron and x-ray reflectometry. The technique of polarized neutron reflectometry or PNR is a unique non-destructive tool to understand thin film magnetism in mesoscopic length scale.
This book presents x-ray and neutron reflectometry techniques and how they can be used to explore interface structure and magnetism at mesoscopic length scale in thin films and multilayers. The text covers the basic principles of neutron and x-ray reflectivity and different mode of neutron reflectivity with many useful examples. The reference text is helpful for research students working in the field of interface magnetism in thin film and multilayers.
Key Features:
- Introduces the reader to the field of reflectometry, especially polarized neutron reflectometry and x-ray reflectometry.
- Familiarizes researchers with the importance of interface properties in thin films.
- Demonstrates with examples how properties can be determined with sub nanometre resolution.
- Provides a summary with a large number of contemporary examples and references.
Saibal Basu carried out research in the field of neutron scattering and neutron instrumentation at Dhruva reactor in India for more than three decades. He has carried out extensive neutron reflectometry research at several major neutron scattering centres. These include Dhruva reactor in India, ISIS spallation neutron source, Rutherford Appleton Laboratory in UK and NIST Centre for Neutron Research (NCNR) at NIST, USA. His work mainly targets interface properties like magnetism and interface alloy formation in thin film heterostructures.
Surendra Singh is a scientist at the Solid State Physics Division, Bhabha Atomic Research Centre, Mumbai. His current research interests are in the field of structure and magnetic properties of complex oxide interfaces and superlattices. He has authored/co-authored over 100 research publications in high-impact international journals.
1 Introduction
2 Theory of Neutron Reflectometry
3 Understanding Emerging Phenomena at Interfaces Using Specular Neutron and X-ray Reflectometry
4 Correlation of Interface Morphology and Magnetism in Heterostructures: Off-Specular (Diffuse) Scattering
5 Summary and Outlook