会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 2. 发明公开
    • 아연과 티타늄을 첨가한 BiFeO3 박막의 제조방법
    • ZN和TI-DOPED BiFeO3薄膜的组成及其制备方法
    • KR1020130143395A
    • 2013-12-31
    • KR1020120066929
    • 2012-06-21
    • 창원대학교 산학협력단
    • 이명환도달현송태권김명호김원정김상수
    • C01G29/00C01G49/00C01G9/00C01G23/00
    • The present invention relates to a composition for a BiFeO3 thin film with Zn and Ti and a fabrication method thereof. The composition for a BiFeO3 thin film with zinc and titanium enhances ferroelectric characteristics by increasing chemical stability through the excess addition of Bi ions in an A-site of the BiFeO3 and the substitution of a small amount of Zn ions and Ti ions in a B-site, improves ferroelectric characteristics and leakage current characteristics by reducing the generation of oxygen vacancies generated in the inner space of the thin film, improves the problems of the BFO thin film with a low residual polarization value and high conductivity by changing the deposition condition and addition of the Zn ions and Ti ions, and presents development possibility. [Reference numerals] (AA) Minimize the pressure of a chamber before deposition (Minimize impurities within the chamber);(BB) Fix the oxygen partial pressure of the chamber at 30 mTorr;(CC) Fix the temperature of a substrate at 530°C;(DD) Start deposition;(EE) Temperature drop after deposition;(FF) Deposited film
    • 本发明涉及一种具有Zn和Ti的BiFeO3薄膜组合物及其制造方法。 具有锌和钛的BiFeO3薄膜的组成通过在BiFeO 3的A位置中过量添加Bi离子并且在B层中取代少量的Zn离子和Ti离子来提高化学稳定性来提高铁电特性, 通过减少在薄膜的内部空间中产生的氧空位来提高铁电特性和漏电流特性,通过改变沉积条件和添加来改善具有低剩余极化值和高导电性的BFO薄膜的问题 的Zn离子和Ti离子,并具有发展的可能性。 (附图标记)(AA)使沉积前的室压力最小化(使室内的杂质最小化);(BB)将室的氧分压固定在30mTorr;(CC)将基板的温度固定在530℃ C;(DD)开始沉积;(EE)沉积后的温度降;(FF)沉积膜
    • 3. 发明公开
    • 압전 및 강유전 특성이 향상된 BiFeO3-BaTiO3 세라믹스의 제조방법 및 이를 이용하여 제조된 무연 압전 세라믹스
    • 压电和铁电性得到改善的制造方法和这通过使用的BiFeO3钛酸钡陶瓷制造的无铅压电陶瓷
    • KR1020170062066A
    • 2017-06-07
    • KR1020150167453
    • 2015-11-27
    • 창원대학교 산학협력단
    • 이명환송태권김다정김명호도달현김원정김상수박진수
    • H01L41/43H01L41/22
    • 본발명은 (a) Bi0분말, Fe0분말, BaC0분말및 Ti0분말을포함하는혼합원료분말을준비하는단계; (b) 상기단계 (a)에서준비된혼합원료분말을이용해성형체를제조한후, 940 내지 1100 ℃에서소결하는단계; 및 (c) 상기단계 (b)에서얻어진소결체를냉각하는단계를포함하되, 상기단계 (c)에서 447 내지 767 ℃미만의온도범위를포함하는구간에서는급냉(quenching)을수행하는것을특징으로하는 BiFeO-BaTiO세라믹스의제조방법을제공한다. 본발명에따른무연압전세라믹스의제조방법은, 소결후 940 내지 1100 ℃의온도를가지는압전세라믹스를단시간(5 내지 30 분) 내에 20 내지 30 ℃의온도로급속히냉각할수 있도록구성하여, BiFeO가불안정한상을나타내는 447 내지 767 ℃미만의온도범위를단시간에회피함으로써, 세라믹스내의격자뒤틀림이형성되어누설전류가감소하는특성을나타내고, 망간또는구리를소결조제로사용하지않고도높은상전이온도와압전성을나타내는효과가있다.
    • (A)制备包含Bi0粉末,Fe0粉末,BaC0粉末和Ti0粉末的混合原料粉末; (b)使用步骤(a)中制备的混合原材料粉末,在940至1100℃下烧结成形体; 和(c)包含在上述步骤(b)冷却所得到的烧结体的步骤中,所述间隔包括一个温度范围内的447至小于767℃,在步骤(c)中,其特征在于,用于执行所述快速冷却(淬火) 提供了一种生产BiFeO-BaTiO陶瓷的方法。 的制造方法的无铅压电根据本发明被配置为允许940的压电陶瓷具有温度到1100℃的快速冷却在很短的时间(5〜30分钟)在20至30℃的温度下烧结后的陶瓷,的BiFeO不稳定 通过避免767℃指示的时间很短的周期内的相位的温度范围低于447,在形成所述陶瓷的晶格畸变指示的特性来减少泄漏电流,指示高相变温度和压电无需使用锰或铜作为烧结助剂 这是有效的。
    • 8. 发明公开
    • 영가철을 이용한 농약성분 제거 방법
    • 使用零价铁去除农业化学物质的方法
    • KR1020090036638A
    • 2009-04-15
    • KR1020070101772
    • 2007-10-10
    • 창원대학교 산학협력단
    • 문병현김상수김태성
    • C02F1/66C02F9/00C02F1/52
    • C02F1/66C02F1/52C02F9/00C02F2301/08
    • A method for removal of agrochemicals using zero valent iron is provided to prevent harmful effects which agrochemical components contained drainage affects natural environment by processing and removing the agrochemical components with the zero valent iron. A method for removal of agrochemicals using zero valent iron comprises the following steps of: controlling acidity of a solution to pH 5 or pH 3 in which harmful components can be disassembled by the zero valent iron is included; adding the controlled zero valent iron of which concentration is 1g~10g/L; disassembling organic contaminants by injecting hydrogen peroxide into a zero valent iron added solution; and injecting the hydrogen peroxide and the zero valent iron with a rate of 1:0.5 or 1:1.2.
    • 提供了使用零价铁去除农用化学品的方法,以通过用零价铁处理和除去农用化学成分来防止含有排放物的农药成分对自然环境的有害影响。 使用零价铁去除农药的方法包括以下步骤:控制溶液的酸度至pH5或pH3,其中有害成分可被零价铁分解; 加入浓度为1g〜10g / L的受控零价铁; 通过将过氧化氢注入零价铁添加溶液来拆卸有机污染物; 以1:0.5或1:1.2的比例注入过氧化氢和零价铁。