Media type: E-Article Title: Efficient p-type doping of sputter-deposited NiO thin films with Li, Ag, and Cu acceptors Contributor: Egbo, Kingsley O.; Ekuma, Chinedu E.; Liu, Chao Ping; Yu, Kin Man Published: American Physical Society (APS), 2020 Published in: Physical Review Materials, 4 (2020) 10 Language: English DOI: 10.1103/physrevmaterials.4.104603 ISSN: 2475-9953 Origination: Footnote: