journal article·2018-10

Paramagnetic Ho2O3 nanowires, nano-square sheets, and nanoplates

Hye In Lee, Sung Woo Lee, Choong Kyun Rhee, Youngku Sohn

Ceramics International· Volume 44· Issue 15
Publisher page

Abstract

Abstract The morphology control of holmium oxide (Ho 2 O 3 ) nanostructures has rarely been reported. In the present study, uniform Ho 2 O 3 nanowires, nano-square sheets, and nanoplates were synthesized via the hydrothermal method and were characterized using scanning electron microscopy, high-resolution transmission electron microscopy, Fourier-transform infrared spectroscopy, thermogravimetric analysis, ultraviolet–visible–near-infrared absorption, and X-ray photoelectron spectroscopy. The morphology was observed to be composed of different crystal phases and Ho complexes, but it changed to the same cubic Ho 2 O 3 crystal phase upon high-temperature thermal treatment. Paramagnetic properties were obtained and discussed for the three different morphologies mentioned above. The newly reported morphologies and the physicochemical properties reported herein will widen the application scope of Ho oxide materials.
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Research context

OpenAlex topics: Advanced Condensed Matter Physics · Luminescence Properties of Advanced Materials · ZnO doping and properties

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