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Thermal diffusivity downscaling of molybdenum oxide thin film through annealing temperature-induced nano-lamelle formation: a photothermal beam deflection study
S. Soumya, Vimal Raj, Mohanachandran Nair Sindhu Swapna, Sankaranarayana Iyer Sankararaman, 2021, original scientific article

Abstract: The present work proposes a method of downscaling the thermal diffusivity (α) of MoO3 thin films through annealing temperature-induced nano-lamelle formation. The thermal diffusivity modification of the MoO3 films, prepared by the doctor blade method, is investigated by the sensitive transverse photothermal beam deflection technique. The X-ray diffraction analysis confirms the structural phase transformation from monoclinic to orthorhombic in the films annealed from 300 to 450 °C. The thermal induced anisotropy of the film is evident from the variation of the morphology index and texture coefficient. The field emission scanning electron microscopic analysis unveils the morphology modifications from blocks to the nano-lamelle structure with layers of average thickness ~ 77 nm. The thermal diffusivity measurement reveals a 53% reduction upon annealing the film to 450 °C. The drastic reduction is achieved through the annealing temperature-induced nano-lamelle formation and the phase transformation from monoclinic to orthorhombic in the MoO3 films.
Keywords: thermal diffusivity, molybdenum oxide, thin film, nano-lamelle, photothermal beam deflection
Published in RUNG: 04.07.2022; Views: 669; Downloads: 24
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Ustvarjanje novih materialov
2022, interview

Keywords: kemija, (nano)materiali, sinteza, karakterizacija, intervjuji
Published in RUNG: 19.04.2022; Views: 933; Downloads: 28
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Polymer-based nano-composites for thermal insulation
Alessandro Fraleoni-Morgera, Manisha Chhikara, 2019, review article

Keywords: nano-composites, polymers, thermal insulation
Published in RUNG: 13.07.2021; Views: 1604; Downloads: 0

Vključevanje nanotehnoloških raziskav v likovno umetnost : Polimorfni odtis Uršule Berlot
Aleš Vaupotič, 2017, review, book review, critique

Keywords: Uršula Berlot, nano tehnologije, nano umetnost, tehno-slike
Published in RUNG: 30.08.2017; Views: 3750; Downloads: 0
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A facile chemical method for the synthesis of 3C–SiC nanoflakes
Mirela Dragomir, Matjaz Valant, Mattia Fanetti, Yurij Mozharivskyj, 2016, original scientific article

Keywords: SiC, flakes, nano-flakes, chemical synthesis
Published in RUNG: 04.03.2016; Views: 4373; Downloads: 0
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