Department of Materials Science and Engineering;
Southern University of Science and Technology;
Shenzhen 518055;
China;
Institute of Applied Physics and Materials Engineering;
Faculty of Science and Technology;
University of Macao;
Macao 999078;
China;
Key Lab of Advanced Technologies of Materials;
Ministry of Education;
School of Materials Science and Engineering;
Southwest Jiaotong University;
Chengdu 610031;
China;
Atomic layer deposition; Porous iron scaffolds; ZnO; Antibacterial activity;