Evaluations of electrical properties for ZnTe thin films electrodeposited from a citric acid bath with a hall effect measurement

Takeshi Ohtomo, Takahiro Ishizaki, Daisuke Ogiwara, Hiroshi Kawarada, Akio Fuwa

    Research output: Contribution to journalArticle

    Abstract

    ZnTe thin films were electrochemically deposited onto Au-coated Cu substrates from an electrolytic solution containing ZnSO 4, TeO 2, citric acid and sodium citrate. Effects of deposition potentials and solution's Zn concentrations on the structure, chemical composition and electrical property were investigated. The resistivity, conduction type, carrier density, and carrier mobility were evaluated with a Hall effect measurement apparatus. A film with nearly stoichiometric composition was deposited at - 0.80 V vs. Ag /AgCl at 353 K from a solution containing 2.0 × 10 -2 kmol m -3-ZnSO 4, 1.0 × 10 -4 kmol m -3-TeO 2, 9.0 × 10 -2 kmol m -3-citric acid and 2.1 × 10 -1 kmol m -3-sodium citrate and was well crystallized with cubic preferential orientation along the (111) plane. A resistivity, the carrier density and the carrier mobility were 4.1 × 10 2 Ωm, 2.9 × 10 19 m -3 and 5.3 × 10 -4 m 2 V-1 s -1, respectively.

    Original languageEnglish
    Pages (from-to)298-302
    Number of pages5
    JournalNippon Kinzoku Gakkaishi/Journal of the Japan Institute of Metals
    Volume69
    Issue number3
    DOIs
    Publication statusPublished - 2005 Mar

    Fingerprint

    citric acid
    Citric acid
    Hall effect
    Citric Acid
    baths
    Electric properties
    Carrier mobility
    electrical properties
    citrates
    carrier mobility
    Thin films
    Carrier concentration
    evaluation
    thin films
    Sodium
    sodium
    electrical resistivity
    Chemical analysis
    chemical composition
    conduction

    Keywords

    • Citric acid
    • Electrical property
    • Electrodeposition
    • Hall effect
    • Zinc telluride

    ASJC Scopus subject areas

    • Metals and Alloys

    Cite this

    Evaluations of electrical properties for ZnTe thin films electrodeposited from a citric acid bath with a hall effect measurement. / Ohtomo, Takeshi; Ishizaki, Takahiro; Ogiwara, Daisuke; Kawarada, Hiroshi; Fuwa, Akio.

    In: Nippon Kinzoku Gakkaishi/Journal of the Japan Institute of Metals, Vol. 69, No. 3, 03.2005, p. 298-302.

    Research output: Contribution to journalArticle

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