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Yan et al., 2022 - Google Patents

Characterization of thin Al2O3/SiO2 dielectric stack for CMOS transistors

Yan et al., 2022

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Document ID
80761632432142348
Author
Yan Y
Kilchytska V
Wang B
Faniel S
Zeng Y
Raskin J
Flandre D
Publication year
Publication venue
Microelectronic Engineering

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This paper systematically investigates the electrical properties of thin Al 2 O 3/SiO 2 (with a target equivalent oxide thickness of 4.9 nm) as gate dielectric stack in the metal–oxide– semiconductor (MOS) capacitor. Different deposition techniques, ie thermal oxidation …
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    • H01L21/18Manufacture or treatment of semiconductor devices or of parts thereof the devices having at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer, carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic System or AIIIBV compounds with or without impurities, e.g. doping materials
    • H01L21/30Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
    • H01L21/31Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to form insulating layers thereon, e.g. for masking or by using photolithographic techniques; After treatment of these layers
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    • H01L21/18Manufacture or treatment of semiconductor devices or of parts thereof the devices having at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer, carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic System or AIIIBV compounds with or without impurities, e.g. doping materials
    • H01L21/28Manufacture of electrodes on semiconductor bodies using processes or apparatus not provided for in H01L21/20 - H01L21/268
    • H01L21/28008Making conductor-insulator-semiconductor electrodes
    • H01L21/28017Making conductor-insulator-semiconductor electrodes the insulator being formed after the semiconductor body, the semiconductor being silicon
    • H01L21/28158Making the insulator
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