The effects of the degree of BaTiO3 particle agglomeration on the dielectric properties of BaTiO3/epoxy ... properties of BaTiO3/epoxy composites. ... BaTiO3/epoxy composites can be applied as the dielectric materials for embedded capacitors.
In this study, BaTiO3 thin films were grown by RF-magnetron sputtering, and the effects of the thin ... film thickness on the structural characteristics of BaTiO3 thin films were systematically investigated ... Instead of the oxide substrates generally used for the growth of BaTiO3 thin films, p-Si substrates which
influences of Na and K content on the crystal phase, the microstructure and the electrical property of BaTiO3 ... The crystal phase of powder calcined at 1000˚C for 4hrs showed a single phase with BaTiO3, and the crystal ... but the (Ba0.762Na0.119K0.119)(Ti0.9975Nb0.0025)O3-δ showed (002), (020) and (200) peaks.
모두 110~240 nm의 평균입경을 갖는 초미립의 La3+-doped BaTiO3소결체를 얻을 수 있었다. ... 초미립 BaTiO3분말을 출발물질로 하고 La3+을 0~2 mol% 첨가하여 1200~1400˚C에서 소결하였을 때 La3+을 첨가하지 않고 1350˚C 이상에서 소결한 경우를 제외하고는
In this study, spherical pre-BaTiO3 particles are prepared by gelation and aging process in autoclave ... the spatial arrangement of barium and titanium in the (Ba-Ti) gel is similar to that in crystalline BaTiO3 ... tetragonal as the calcination temperature increased, and crystallized spherical cubic and tetragonal BaTiO3
process on the structural characteristics of the BaTiO3 thin films were investigated. ... In this study, BaTiO3 thin films were grown by RF-magnetron sputtering, and the effects of a post-annealing ... XPS results demonstrated that the binding energy of each element of the thin-film-type BaTiO3 in this
the film composition and the optimized growth conditions for BaTiO3 films. ... emission spectroscopy was used to monitor the plasma produced during the RF magnetron sputtering of a BaTiO3 ... The emission lines of elemental and ionized species from BaTiO3 and Ti targets were analyzed to evaluate
조직을 얻을 수 있었다. 5 vol%의 부분산화한 Ti 분말을 첨가한 BaTiO3계 세라믹스의 상대밀도와 입도는 각각 54%, 1.3 μm였다. ... 본 연구에서는 부분산화한 Ti 분말을 첨가한 BaTiO3계 세라믹스를 진공중 1350˚C에서 1 h 소결하여 제조하였다. ... 부분산화한 Ti 분말의 첨가에 의한 BaTiO3계 세라믹스의 PTCR 특성 발현은 입계에서의 산소 흡착에 기인하였는데, 이는 Heywang모델로써 설명할 수 있었다.
As a pore precursor, carbon black with different content of 0 to 60 vol% were added to (Ba,Sr) powder. Porous (Ba,Sr) ceramics were prepared by press..
BaTiO3-coated Fe nanofibers are synthesized via a three-step process. α-Fe2O3 nanofibers with an average ... The thickness of the BaTiO3 shell is controlled by varying the reaction time. ... To evaluate the electromagnetic (EM) wave-absorbing abilities of the BaTiO3@Fe nanofiber, epoxy-based
The RMS roughness and crystallite size ofthe BaTiO3 increased with increasing sputtering pressure. ... The electrical properties of the BaTiO3 films were affected by the microstructure and roughness. ... The growth behavior, microstructure and electrical properties of theflexible BaTiO3 films were dependent
Composites with compositions La0.7(Ca1-xSrx)0.3MnO3)]0.99/(BaTiO3)0.01 [(LCSMO)0.99/(BTO)0.01]were prepared ... Perovskite manganites such as RE1-xAxMnO3 (RE = rare earth, A = Ca, Sr, Ba) have been the subject of
이론 ● BaTiO3BaTiO3(Barium titanate)는 온도에 따라서 고체결정의 구조가 달라지며, 밝혀진 것 만 5가지로, BCC를 비롯한 HCP, tetragonal, ... BaTiO3 시편제작 ■ 목차 1. 실험 목적 2. 이론 3. 기본 공정 및 실험 방법 -공정 과정 -실험 방법 -측정 방법 및 과정 4. ... BaCO3와 TiO2를 1:1로 혼합하여 하소 후 BaTiO3의 총량이 10g이 되도록 칭량 ? BaCO3 : ? TiO2 : ?