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Yb3+/Er3+ co-doped NaYF4 nanoparticles were deposited on the surfaces of the inverse opals, and their up …-conversion emission properties were investigated. The upconversion emissions of Yb3+/Er3+ co-doped NaYF4 nanoparticles on the inverse opal … surfaces have been enhanced when the upconversion emission bands of the nanoparticles are in the range of photonic band gaps of …
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nanoparticles precursor synthesized using microwave irradiation method and optical properties of the films were studied using energy …
Persistent link: https://www.econbiz.de/10010933047
With more than 170 billion barrels of estimated oil sands reserves in Canada, Canada has the third largest oil reserves in the world. However, more than 80% of oil sand’s reserves are located deep underground and could not be accessed by surface mining. Nonetheless, a number of in-situ...
Persistent link: https://www.econbiz.de/10010930629
In this work, a Monte Carlo simulation, based on standard Metropolis algorithm, has been applied to investigate magnetic properties of a ferrimagnetic nanoparticle, with a cubic shape and core–shell structure. The nanoparticle is constituted of spin-1/2 in the core surrounded by spin-3/2 in...
Persistent link: https://www.econbiz.de/10011209680
what may happen if the transformation takes place in nanoparticles. The attention is focused on nucleation on the regular …
Persistent link: https://www.econbiz.de/10005080500
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We report a numerical simulation of the conduction and valence band edges of Cd<Subscript>1-x</Subscript>Zn<Subscript>x</Subscript>S nanocrystallites using a one — dimensional potential model. Electron — hole pairs are assumed to be confined in nanospheres of finite barrier heights. Optical absorption measurements are used to fit the...</subscript></subscript>
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