Dr. Valder N. Freire Profile

Dr. Valder N. Freire

at Univ Federal do Ceara

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Author

Publications (3)

Proceedings Article | 25 March 2005 Paper

The impact of high-k dielectrics in nanocrystal flash memories

Valder Freire, Jeanlex de Sousa

Proceedings Volume 5732, (2005) https://doi.org/10.1117/12.588362

KEYWORDS: Dielectrics, Oxides, Hybrid fiber optics, Silicon, Nanocrystals, Computer programming, Germanium, Silica, CMOS technology, Interfaces

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Proceedings Article | 25 March 2005 Paper

Si- and SiGe- high-k oxide nanostructures for optoelectronic devices

Jose Freire, Teldo Pereira, Jusciane Costa e Silva, Gil Farias, Valder Freire, Eronides da Silva

Proceedings Volume 5732, (2005) https://doi.org/10.1117/12.582773

KEYWORDS: Quantum wells, Excitons, Germanium, Interfaces, Silicon, Dielectrics, Oxides, Nanostructures, Electrons, Hybrid fiber optics

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Proceedings Article | 25 March 2005 Paper

Feasibility of IR-to-UV detection in SiC/SiO2 heterostructures

Jeanlex de Sousa, Valder Freire, Eronides da Silva

Proceedings Volume 5732, (2005) https://doi.org/10.1117/12.582768

KEYWORDS: Silicon carbide, Absorption, Quantum wells, Heterojunctions, Electronics, Silicon, Crystals, Interfaces, Ultraviolet radiation, Optical properties

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