J.A. Barker, D. Henderson, et al.
Molecular Physics
From SrTiO3 doped with Al or Mg, ESR signals are identified arising from holes captured in O2-p(π) orbitals near Al3+ or Mg2+ ions substitutional on Ti4+ sites. These centers are involved in photochromic processes in SrTiO3. © 1976.
J.A. Barker, D. Henderson, et al.
Molecular Physics
O.F. Schirmer, K.W. Blazey, et al.
Physical Review B
E. Burstein
Ferroelectrics
K.N. Tu
Materials Science and Engineering: A