Hot isostatic pressing of optically active Nd:YAG powders doped by a colloidal processing route |
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| Authors: | M Suárez A Fernández JL Menéndez M Nygren R Torrecillas Z Zhao |
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| Affiliation: | 1. Department of Nanostructured Materials, Centro de Investigación en Nanomateriales y Nanotecnología (CINN), Principado de Asturias – Consejo superior de Investigaciones Científicas (CSIC) – Universidad de Oviedo (UO), Parque Tecnológico de Asturias, 33428 Llanera (Asturias), Spain;2. Fundación ITMA, Parque Tecnológico de Asturias, 33428 Llanera, Spain;3. Department of Inorganic Chemistry, Arrhenius Laboratory, Stockholm University, SE-106 91 Stockholm, Sweden;1. Ningbo Institution of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, China;2. University of the Chinese Academy of Sciences, Beijing 100039, China;1. Institute of Laser Physics SB RAS, ac. Lavrentyev Prospect 13/3, Novosibirsk 630090, Russia;2. Institute of Electrophysics UB RAS, Amundsen Street 106, Ekaterinburg 620016, Russia;3. Institute of Automation and Electrometry SB RAS, ac. Koptug Prospect 1, Novosibirsk 630090, Russia;4. Ural Federal University named after the first President of Russia B.N. Yeltsin, Mira Street 19, Ekaterinburg 620002, Russia;1. Scientific and Technological Corporation “Institute for Single Crystals” of NAS of Ukraine, 60 Lenin Avenue, Kharkov 61001, Ukraine;2. State Scientific Institution “Institute for Single Crystals” of NAS of Ukraine, 60 Lenin Avenue, Kharkov 61001, Ukraine;3. Kotelnikov Institute of Radioengineering and Electronics, Fryazino Branch, Russian Academy of Sciences, Fryazino, Russia;1. Key Laboratory of Transparent Opto-functional Inorganic Materials, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, 201899, China;2. Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, 100049, China;3. School of Material Science and Engineering, Jiangsu University, 301 Xuefu Road, Zhenjiang, 212013, China;1. College of Physical Science and Technology, Sichuan University, 610064 Chengdu, China;2. Southwest Institute of Technical Physics, Chengdu 610041, China;3. Key Laboratory of High Energy Density Physics and Technology of Ministry of Education, Sichuan University, Chengdu 610064, China;4. College of Physics and Electronic Engineering, Nanyang Normal University, Nanyang 473061, China |
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| Abstract: | In this work, 1 at.% Nd doped Yttrium Aluminum Garnet Y3Al5O12 (YAG) nano-sized powder prepared by colloidal route was investigated thoroughly concerning agglomeration control and preparation of transparent ceramic by post-HIP. Electrostatic and mechanical deagglomeration process followed by freeze-drying turned out to be an effective method to alleviate agglomeration, yielding a powder with a homogeneous particle size distribution around 100 nm. Transparent Nd:YAG ceramic samples have been successfully prepared by post-HIP without the aid of sintering additives. The optical properties varied markedly with the sintering and hot isostatic pressing conditions used. In-line transmittance values of 56% at 680 nm and close to 80% in the infrared region were recorded. |
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