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Giant magnetostrictive-piezoelectric composite vibration energy harvester is a kind of novel vibration energy harvester. It is made up of giant magnetostrictive layer, substrate and piezoelectric ceramics, which is shown in Fig.1. Giant magnetostrictive material (GMM) has large magnetostrictive coefficient, and can enhance the deformation of piezoelectric material to improve the efficiency of power...
A continuum light emission was observed in a Tm3+/Ho3+ codoped PLZT ceramic slab upon exposing to a corona atmosphere. The origin of the broad light emission may be rooted in an electroinduced structural variation.
Broadband optical amplification in Er3+ doped lanthanum lead zirconate titanate ceramic plates was observed when they were exposed to a corona atmosphere. The optoenergy storage and plasma-induced structural variation seems responsible for the broadband amplification.
Using rare earth cations (such Ho3+, Tm3+, Er3+, and Yb3+) singly and doubly doped lead lanthanum-modified zirconate titanate ceramic gain media, excellent upconversion was observed and investigated. Intrinsic rich carrier traps and their contributions to optical energy storage and upconversion were investigated under different conditions, such as illumination and electrical fields. A new model was...
A novel dual functional device combining optical filtering and amplification by taking advantage of excellent electrooptic property in the gain medium was designed and demonstrated in covering both C- and L-bands.
Using Ho3+ and Tm3+ codoped PLZT ceramic gain media, excellent upconversion was observed and investigated. A new model was proposed, leading ways towards upconversion-based laser and sensor development.
Alkaline metal (AM) atoms filled CoSb3 skutterudites are synthesized by melting method and sintered by spark plasma sintering. The maximal filling fraction or filling fraction limit (FFL) of AM (AM=Li, Na, K, Cs) in CoSb3 are estimated experimentally and show good agreement with our previous calculations based on density functional method. The effect of thermodynamics properties on FFL, crystallographic...
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