Epitaxial growth of YNi$_{\textrm{2}}$B$_{\textrm{2}}$C films on single crystal MgO substrates: an HRTEM investigation of the interface

Epitaxial growth of YNi$_{\textrm{2}}$B$_{\textrm{2}}$C films on single crystal MgO substrates: an HRTEM investigation of the interface. Reibold, M., Wimbush, S. C., Holzapfel, B., & Krämer, U. J. Alloys. Compd., 347(1-2):24–30, December, 2002.
$Epitaxial growth of YNi$_{\textrm{2}}$B$_{\textrm{2}}$C films on single crystal MgO substrates: an HRTEM investigation of the interface [pdf]$ Paper doi abstract bibtex

Epitaxial thin ﬁlms of the superconducting borocarbide compound YNi$_{\textrm{2}}$B$_{\textrm{2}}$C have been grown on single-crystal MgO (001) substrates using pulsed laser deposition. The deposition temperature has a strong inﬂuence on the structural properties of the ﬁlms, which in turn affect the superconducting transition temperature, T$_{\textrm{c}}$. The resulting phases and their orientations with respect to the substrate have been investigated by X-ray diffraction and HRTEM, using cross-section samples. For deposition temperatures around 750 °C, c-axis oriented growth of YNi$_{\textrm{2}}$B$_{\textrm{2}}$C ﬁlms occurs preferentially. At lower temperatures a weaker a-axis orientation was found by X-ray diffraction, whereas by HRTEM grains with a-axis and a weak c-axis orientation could be identiﬁed. An interfacial layer some 100 nm thick was formed bordering on the substrate, comprising mainly Y$_{\textrm{2}}$O$_{\textrm{3}}$ but also other epitaxially grown phases such as YNi$_{\textrm{4}}$B. The growth directions of Y$_{\textrm{2}}$O$_{\textrm{3}}$ are [001] at 750 °C and [111] at lower temperatures. The in-plane orientations and the lattice mismatches of the bordering phases were also investigated.

@article{reibold_epitaxial_2002,
	title = {Epitaxial growth of {YNi}$_{\textrm{2}}${B}$_{\textrm{2}}${C} films on single crystal {MgO} substrates: an {HRTEM} investigation of the interface},
	volume = {347},
	issn = {0925-8388},
	url = {/publications/10.1016/S0925-8388(02)00753-3.pdf},
	doi = {10.1016/S0925-8388(02)00753-3},
	abstract = {Epitaxial thin ﬁlms of the superconducting borocarbide compound YNi$_{\textrm{2}}$B$_{\textrm{2}}$C have been grown on single-crystal MgO (001) substrates using pulsed laser deposition. The deposition temperature has a strong inﬂuence on the structural properties of the ﬁlms, which in turn affect the superconducting transition temperature, \textit{T}$_{\textrm{c}}$. The resulting phases and their orientations with respect to the substrate have been investigated by X-ray diffraction and HRTEM, using cross-section samples. For deposition temperatures around 750 °C, \textit{c}-axis oriented growth of YNi$_{\textrm{2}}$B$_{\textrm{2}}$C ﬁlms occurs preferentially. At lower temperatures a weaker \textit{a}-axis orientation was found by X-ray diffraction, whereas by HRTEM grains with \textit{a}-axis and a weak \textit{c}-axis orientation could be identiﬁed. An interfacial layer some 100 nm thick was formed bordering on the substrate, comprising mainly Y$_{\textrm{2}}$O$_{\textrm{3}}$ but also other epitaxially grown phases such as YNi$_{\textrm{4}}$B. The growth directions of Y$_{\textrm{2}}$O$_{\textrm{3}}$ are [001] at 750 °C and [111] at lower temperatures. The in-plane orientations and the lattice mismatches of the bordering phases were also investigated.},
	language = {en},
	number = {1-2},
	journal = {J. Alloys. Compd.},
	author = {Reibold, M. and Wimbush, S. C. and Holzapfel, B. and Krämer, U.},
	month = dec,
	year = {2002},
	pages = {24--30},
	file = {Reibold et al. - 2002 - Epitaxial growth of YNi2B2C films on single crysta.pdf:C\:\\Users\\scwim\\OneDrive\\Work\\Zotero Library\\Reibold et al. - 2002 - Epitaxial growth of YNi2B2C films on single crysta.pdf:application/pdf},
}

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