Fe and N diffusion in nitrogen-rich FeN measured using neutron reflectometry

Pramana

A Wildes³  Mukul Gupta1²  T Gutberlet⁴  A Gupta¹ 

[1] UGC-DAE Consortium for Scientific Research, Khandwa Road, Indore 452 017, India$$;UGC-DAE Consortium for Scientific Research, R-5 Shed, Bhabha Atomic Research Centre, Mumbai 400 085, India$$;Institut Laue-Langevin, rue des Martyrs, 38042 Grenoble Cedex, France$$;Laboratory for Neutron Scattering, ETH Zürich and Paul Scherrer Institute, CH-5232 Villigen PSI, Switzerland$$

关键词: FeN;    iron nitride;    reactive sputtering;    self-diffusion;    neutron reflectometry.;   

DOI  :  

学科分类：物理（综合）

来源: Indian Academy of Sciences

【 摘 要 】

Grazing incidence neutron reflectometry provides an opportunity to measure the depth profile of a thin film sample with a resolution <1 nm, in a non-destructive way. In this way the diffusion across the interfaces can also be measured. In addition, neutrons have contrast among the isotopes, making it feasible to measure the self-diffusion. In the present work, the isotope multilayers of [FeN/57 FeN]10 and [FeN/Fe15N]10 were prepared using magnetron sputtering and self-diffusion of Fe and N was investigated. It was found that N diffusion is slower compared to Fe and does not follow the atomic size dependence.

【 授权许可】

Unknown