H. Kröse

Optically induced charge transfer paths between defects in BaTiO3 containing rhodium

O. Schirmer, H. Hesse, C. Kuper, 1995 .

A multichannel spectrometer for correlated EPR-optical absorption analysis of photochromic processes in crystals

O. Schirmer, H. Kröse, R. Scharfschwerdt, 1998 .

Paramagnetic defects in BaTiO3 and their role in light-induced charge transport — Optical studies

O. Schirmer, O. F. Schirmer, E. Possenriede, 1992 .

Shallow acceptor and electron conduction states in BaTiO3

O. Schirmer, H. Kröse, E. Possenriede, 1994 .

O- holes associated with alkali acceptors in BaTiO3.

Kroese, Varnhorst, Schirmer, 1996, Physical review. B, Condensed matter.