4.0 Article

p-Type Conversion of ZnO Thin Films by Plasma Immersion Ion Implantation

Journal

ELECTROCHEMICAL AND SOLID STATE LETTERS
Volume 12, Issue 9, Pages H329-H332

Publisher

ELECTROCHEMICAL SOC INC
DOI: 10.1149/1.3156835

Keywords

aluminium; annealing; doping profiles; electrical resistivity; hole density; hole mobility; II-VI semiconductors; nitrogen; plasma immersion ion implantation; semiconductor doping; semiconductor thin films; sputter deposition; vacancies (crystal); wide band gap semiconductors; zinc compounds

Funding

  1. National Natural Science Foundation of China [10775034]
  2. Shanghai Leading Academic Discipline [B113]

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p-Type Al-N co-doped ZnO[ZnO:(Al,N)] thin films are successfully fabricated by plasma immersion ion implantation technique assisted with co-doping method. Hole concentration, resistivity, and mobility of the optimum p-type ZnO:(Al,N) film obtained are 2.89x10(17) cm(-3), 6.87 cm, and 3.15 cm(2) V(-1) s(-1), respectively. O(*) plays an important role in the reactions of plasma for its production of N atoms. Implanted N atoms are activated by postannealing, occupy oxygen vacancies (V(O)), and form nitrogen substitutions (N(O)) at O sites.

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