PHASE-FIXED PHASE TRANSITION MATERIAL AND METHOD FOR FIXING PHASE OF PHASE TRANSITION MATERIAL

PHASE-FIXED PHASE TRANSITION MATERIAL AND METHOD FOR FIXING PHASE OF PHASE TRANSITION MATERIAL

Embodiments of the present invention provide: a phase-fixed phase transition material which comprises: a phase transition material having a prescribed crystalline phase; and a doping layer formed of a nanocrystalline doping agent grown heteroepitaxially on the phase transition material, wherein the...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: LEE JEONG O, LEE TAE IL, CHAE SOO SANG, CHAE SI EUN
Format: Patent
Sprache:eng ; kor
Schlagworte:
CHEMISTRY
COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F
INORGANIC CHEMISTRY
METALLURGY
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Beschreibung
Zusammenfassung:Embodiments of the present invention provide: a phase-fixed phase transition material which comprises: a phase transition material having a prescribed crystalline phase; and a doping layer formed of a nanocrystalline doping agent grown heteroepitaxially on the phase transition material, wherein the difference between the lattice constant for two crystal axes of the nanocrystalline doping agent and the difference between the lattice constant of two crystal axes of the phase transition material is 25% or less; and a method for phase fixation of the phase transition material. By fixing the phase of the phase transition material to a prescribed phase, it is possible to utilize physical properties of the phase. 본 발명의 실시예들은 소정의 결정상(Crystalline phase)을 갖는 상전이 물질 및 상전이 물질 상에 헤테로에피택시 성장한 나노 결정 도핑제로 형성된 도핑층을 포함하고, 상기 나노 결정 도핑제의 두 결정축에 대한 격자 상수와 상기 상전이 물질의 두 결정축에 대한 격자 상수의 차이는 25% 이하인, 상-고정된 상전이 물질과 상전이 물질의 상 고정 방법을 제공한다. 상전이 물질의 상을 소정의 상으로 고정시켜 해당 상에서의 물성을 활용할 수 있다.