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    • 4. 发明公开
    • 에르븀과 이터비움 이온이 주입된이트리움칼슘옥시보레이트 화합물 및 결정 성장방법,그리고 이러한 결정을 사용하여 제조된 광기능 소자
    • 铬和铝离子镀铝白云母氧化物化合物,其晶体生长方法和使用晶体制备的光学器件
    • KR1020010046624A
    • 2001-06-15
    • KR1019990050460
    • 1999-11-13
    • 한국화학연구원
    • 유영문정석종이성영아게예프알렉산더유
    • C30B29/00
    • C01F17/0012C30B15/203C30B29/10
    • PURPOSE: A crystalline solid material, a method for growing its crystal, an optical device prepared by using the crystal, and a method for preparing the optical device are provided, which solid material is erbium and ytterbium ions-doped ytterbium calcium oxyborate. CONSTITUTION: The crystalline solid material is represented by the formula: (Er(x)Yb(y)Y(1-x-y))Ca(4+z)B3O(10+z), wherein x is 0.005-0.10, y is 0.005-0.30 and z is 0.00-0.5. The crystal of the solid material is grown with the temperature gradient of 5-300 deg.C/cm by Czochralski method with the increasing velocity of 0.1-10mm/hr and the rotation velocity of 0-70 rpm. A YCa4O(BO3)3 crystal is used as a crystal seed. The solid material crystal is single crystal or thin film crystal. The optical device is a 1.5-1.6 micrometers laser generating device, a nonlinear optical device, a self frequency doubling device or a range finding device.
    • 目的:提供一种结晶固体材料,其晶体生长方法,使用晶体制备的光学器件,以及制备该光学器件的方法,该固体材料是铒和镱离子掺杂的硼酸镱钙矾土。 结构:结晶固体材料由下式表示:(Er(x)Yb(y)Y(1-xy))Ca(4 + z)B3O(10 + z),其中x为0.005-0.10,y为 0.005-0.30,z为0.00-0.5。 固体材料的晶体通过Czochralski法以5-300摄氏度/厘米的温度梯度生长,其速度为0.1-10毫米/小时,旋转速度为0-70转/分钟。 使用YCa4O(BO3)3晶体作为晶种。 固体材料晶体是单晶或薄膜晶体。 光学装置是1.5-1.6微米的激光产生装置,非线性光学装置,自倍频装置或测距装置。
    • 5. 发明公开
    • 란가사이트 분말과 그 제조방법
    • 朗格斯粉及其制造方法
    • KR1020010037913A
    • 2001-05-15
    • KR1019990045659
    • 1999-10-20
    • 신건철
    • 신건철김영도김정환
    • C01D17/00
    • C01F17/0012
    • PURPOSE: Provided are langasite(La3Ga5SiO14) powder having a chemically quantitative composition at low temperature and its manufacture method. CONSTITUTION: The method comprises steps of: (i) pouring ethylene glycol into a crucible and adding citric acid thereto with heating and stirring at a temperature of 50-90 deg.C to dissolve the citric acid in the ethylene glycol; (ii) dissolving (C2H5O)4Si, La(NO3)3·6H2O and Ga(NO3)3·nH2O wherein a molar ratio of La : Ga : Si is 3 : 5 : 1, in the citric acid dissolved solution at a temperature of 50-90 deg.C to obtain reaction solution; (iii) after stirring the reaction solution, polyesterifying the solution with heating and condensing it at a temperature of 100-130 deg.C; (iv) heat-treating the condensation of the step (iii) in an electric furnace at a temperature of 300-500 deg.C for 0.5-1 hour to obtain langasite precursor; and (v) calcining the prepared precursor at a temperature of 800-1,300 deg.C for 0.5-3 hours.
    • 目的:提供低温化学定量组成的长硅石(La3Ga5SiO14)粉末及其制造方法。 方法:该方法包括以下步骤:(i)在50-90℃的温度下加热和搅拌将乙二醇倒入坩埚中并加入柠檬酸以将柠檬酸溶解在乙二醇中; (ii)在柠檬酸溶解溶液中溶解(C 2 H 5 O)4 Si,La(NO 3)3·6H 2 O和La(Ga 3 Si 3·nH 2 O)中的La:Ga:Si的摩尔比为3:5:1 50-90℃,得到反应溶液; (iii)搅拌反应溶液后,加热聚酯溶液并在100-130℃的温度下冷凝; (iv)在电炉中在300-500℃的温度下将步骤(iii)的冷凝热处理0.5-1小时,得到硅藻土前体; 和(v)在800-1300℃的温度下煅烧所制备的前体0.5-3小时。
    • 10. 发明公开
    • 고순도 세릭암모늄나이트레이트의 제조방법
    • 高纯度柠檬酸铵的制备
    • KR1020020027068A
    • 2002-04-13
    • KR1020000058399
    • 2000-10-05
    • (주)이그잭스
    • 김강석
    • C01C1/18
    • C01F17/0012C01C1/185C01F17/0075C01P2006/80
    • PURPOSE: Provided is a preparation method of high purity(>=99%) ceric ammonium nitrate by controlling cerium concentration and acidity of nitric acid in the processing of intermediate preparation and crystallization of cerium compound. CONSTITUTION: The preparation method comprises the steps of: dissolving a salt(carbonate, nitrate, chloride, etc.) or an oxide of Ce3+ and Ce4+, such as Ce(NO3)3, Ce(OH)2 or CeO2, into an aqueous HNO3 solution to be a Ce ion/HNO3 molar ratio of 3-12.5; changing Ce3+ into Ce4+ by adding an oxidant; controlling the concentration of Ce and HNO3 to be 8-81g/L and 0.05-0.8N, respectively by adding deionized water and/or volatilizing HNO3 in cerium/nitric acid solution, which results in precipitating cerium compound, Ce(OH)x(NO3)y·nH2O(x+y=4); filtering; dissolving precipitates into nitric acid solution to be a CeO2/HNO3 molar ratio of 1.26-5.075; adding excess ammonium nitrate and optionally nitric acid solution and deionized water to be Ce4+ of 20g-200g/L and HNO3 of 0.5-9N under the pressure of 1-650mmHg at 65-115deg.C; concentrating at a stirring rate of 350cm/sec for deposition of ceric ammonium nitrate; filtering, washing with water, HNO3 or organic solvent and drying under 85deg.C.
    • 目的:在中间体制备和铈化合物结晶处理中,通过控制硝酸的铈浓度和酸度,提供了高纯度(> = 99%)的硝酸铈铵的制备方法。 构成:制备方法包括:将Ce(NO 3)3,Ce(OH)2或CeO 2等Ce 3+和Ce 4+的盐(碳酸盐,硝酸盐,氯化物等)或氧化物溶解在水 HNO3溶液为Ce离子/ HNO3摩尔比为3-12.5; 通过加入氧化剂将Ce3 +转化为Ce4 +; 通过在铈/硝酸溶液中加入去离子水和/或挥发HNO 3,分别控制Ce和HNO3的浓度为8-81g / L和0.05-0.8N,导致铈化合物Ce(OH)x( NO3)Y·NH2O(X + Y = 4); 滤波; 将沉淀物溶解在硝酸溶液中,使CeO2 / HNO3的摩尔比为1.26-5.075; 在1-650mmHg的压力下,在65-115℃下加入过量的硝酸铵和任选的硝酸溶液和去离子水,使Ce4 +为20g-200g / L,HNO3为0.5-9N; 以350cm / sec的搅拌速度浓缩,沉积硝酸铈铵; 过滤,用水,HNO3或有机溶剂洗涤,在85℃下干燥。