Microstructure and texture of YNi2B2C thin films grown on Ir buffered MgO(001). Subba Rao, K., Tamm, R., Cao, G. H., Oertel, C., Skrotzki, W., Wimbush, S. C., & Holzapfel, B. J. Appl. Phys., 100(12):123911, December, 2006. doi abstract bibtex Superconducting films of YNi2B2C deposited on an Ir buffered MgO(001) substrate by pulsed laser deposition have been investigated by x-ray diffraction and transmission electron microscopy (TEM) techniques. X-ray texture results show that the Ir buffer layer grows cube on cube and that the texture of YNi2B2C consists of four c-axis components. Cross-sectional TEM shows that during high temperature deposition of YNi2B2C, Ir diffuses into the nanocrystalline film and leads to the formation of an Y0.915Ni4.12B hexagonal impurity phase instead of Y2O3 as interlayer. There are clear orientation relationships between the different phases: MgO(001)[100]\textbar\textbarY0.915Ni4.12B(0001)x[-12-10]\textbar\textbarYNi2B2C(001)[100]/(001)[110]. Y0.915Ni4.12B formation leading to deviations from stoichiometry of the YNi2B2C as well as Ni substitution by Ir may be responsible for the deterioration of the superconducting properties of the YNi2B2C film.
@article{subba_rao_microstructure_2006,
title = {Microstructure and texture of {YNi2B2C} thin films grown on {Ir} buffered {MgO}(001)},
volume = {100},
issn = {0021-8979},
doi = {10.1063/1.2403986},
abstract = {Superconducting films of YNi2B2C deposited on an Ir buffered MgO(001) substrate by pulsed laser deposition have been investigated by x-ray diffraction and transmission electron microscopy (TEM) techniques. X-ray texture results show that the Ir buffer layer grows cube on cube and that the texture of YNi2B2C consists of four c-axis components. Cross-sectional TEM shows that during high temperature deposition of YNi2B2C, Ir diffuses into the nanocrystalline film and leads to the formation of an Y0.915Ni4.12B hexagonal impurity phase instead of Y2O3 as interlayer. There are clear orientation relationships between the different phases: MgO(001)[100]{\textbar}{\textbar}Y0.915Ni4.12B(0001)x[-12-10]{\textbar}{\textbar}YNi2B2C(001)[100]/(001)[110]. Y0.915Ni4.12B formation leading to deviations from stoichiometry of the YNi2B2C as well as Ni substitution by Ir may be responsible for the deterioration of the superconducting properties of the YNi2B2C film.},
language = {en},
number = {12},
journal = {J. Appl. Phys.},
author = {Subba Rao, K. and Tamm, R. and Cao, G. H. and Oertel, C.-G. and Skrotzki, W. and Wimbush, S. C. and Holzapfel, B.},
month = dec,
year = {2006},
pages = {123911},
file = {Subba Rao et al. - 2006 - Microstructure and texture of YNi2B2C thin films g.pdf:C\:\\Users\\scwim\\OneDrive\\Work\\Zotero Library\\Subba Rao et al. - 2006 - Microstructure and texture of YNi2B2C thin films g.pdf:application/pdf},
}
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Cross-sectional TEM shows that during high temperature deposition of YNi2B2C, Ir diffuses into the nanocrystalline film and leads to the formation of an Y0.915Ni4.12B hexagonal impurity phase instead of Y2O3 as interlayer. There are clear orientation relationships between the different phases: MgO(001)[100]\\textbar\\textbarY0.915Ni4.12B(0001)x[-12-10]\\textbar\\textbarYNi2B2C(001)[100]/(001)[110]. Y0.915Ni4.12B formation leading to deviations from stoichiometry of the YNi2B2C as well as Ni substitution by Ir may be responsible for the deterioration of the superconducting properties of the YNi2B2C film.","language":"en","number":"12","journal":"J. Appl. 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