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1992•Revista Brasileira de Aplicações de VácuoOpen access

PHOTODEPOSITION FROM COLLOID SOLS

A. Peled, N. Mirchin

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Abstract

Photodepositdon (PD) form colloid solutions (sols)is a photon—assisted process by which colloid aggregates and thin films are formed on substrates immersed in sols. PD occurs only in the irradiated zones and therefore ultimate material pattern resolution is governed, in principle, by the size of the colloid particles. Holographic methods proved that a line resolution of O.35(?m) can be easily achieved. Two systems were investigated so far with this process by which Se and Cd colloid aggregates and thin films were obtained on various substrates from Se and CdS colloid solutions. In this paper common specific characteristics are compared for the tvo cases.

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Photodepositdon (PD) form colloid solutions (sols)is a photon—assisted process by which colloid aggregates and thin films are formed on substrates immersed in sols. PD occurs only in the irradiated zones and therefore ultimate material pattern resolution is governed, in principle, by the size of the colloid particles. Holographic methods proved that a line resolution of O.35(?m) can be easily achieved. Two systems were investigated so far with this process by which Se and Cd colloid aggregates and thin films were obtained on various substrates from Se and CdS colloid solutions. In this paper common specific characteristics are compared for the tvo cases.

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Available abstract

Photodepositdon (PD) form colloid solutions (sols)is a photon—assisted process by which colloid aggregates and thin films are formed on substrates immersed in sols. PD occurs only in the irradiated zones and therefore ultimate material pattern resolution is governed, in principle, by the size of the colloid particles. Holographic methods proved that a line resolution of O.35(?m) can be easily achieved. Two systems were investigated so far with this process by which Se and Cd colloid aggregates and thin films were obtained on various substrates from Se and CdS colloid solutions. In this paper common specific characteristics are compared for the tvo cases.

Key concepts: Colloid, Materials science, Chemical engineering, Chemistry, Physical chemistry, Engineering

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