1. Nikolaev Institute of Inorganic Chemistry, Novosibirsk, Russia
2. Physics Department, Novosibirsk State University, Novosibirsk, Russia
3. Institute of Solid State Chemistry, Ekaterinburg, Russia
4. Physikalisches Institut, Universität Würzburg, Würzburg, Germany
5. solid-chem GmbH, Bochum, Germany