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2篇 您的检索式:作者名="Martin Sebek"
    题名 作者 年代 出处 被引量
1Structural and mechanical properties of La_(1/3)NbO_3 and La_(1/3)TaO_3 thin films prepared by chemical solution deposition显示文摘In this work, properties of perovskite lanthanum niobate La_(1/3)NbO_3(LN) and tantalate La_(1/3)TaO_3(LT)transparent thin films(~200 nm thickness) prepared by chemical solution deposition on Pt/SiO_2/Si substrates were described. The precursors and films were analyzed using FTIR and XPS spectra, XRD and SEM imaging. The both films after annealing at 1100 ℃ contained perovskite phase with a small fraction of pyrochlore LaNb_5 O_(14)(in LN). The heterogeneous micro structure of LN film was composed from spherical or needle-like particles and homogeneous LT film that resulted in significant changes of their mechanical properties. The elastic modulus and hardness of these films were characterized for the first time by conventional and continuous stiffness(CSM) nanoindentation. The LT film modulus(E) and hardness(H) were higher(~105.7 and 5.3 GPa) than LN(~91.5 and 3.8 GPa). The effect of microstructure on mechanical properties is significant. In addition, the average Derjaguin-Muller-Toporov(DMT)-based elastic modulus of LN film surface were estimated ~50 GPa using AFM PeakForce QNM elastic mapping. The findings presented here can contribute to the fabrication of LN and LT films for the application to electrolytic thin film devices.Helena Brunckova Lubomir Medvecky Alexandra Kovalcikova Martin Fides Erika Mudra Juraj Durisin Martin Sebek Maria Kanuchova Jiri Skvarla 2017Journal of Rare Earths2017,35,11:1
2Effect of sample preparation on contaminant leaching from copper smelting slag 显示文摘Martina Vitkova Martin Mihaljevica Ondrej Sebek 2011Journal of Hazardous Materials2011,197,15:1
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