title: Ga2O3 and GaN semiconductor hollow spheres.
authors.affiliation: Department of Chemistry, The Key Laboratory of Atomic and Molecular Nanosciences, Ministry of Education, Tsinghua University, Beijing, 100084, China.
authors.forename: Xiaoming
authors.initials: X
authors.lastname: Sun
authors.forename: Yadong
authors.initials: Y
authors.lastname: Li