Doctoral students
  Mohd Afiq Bin Anuar
Address: Institute of Physics
                Faculty of Natural Sciences II
                Betty-Heimann-Str. 7
                06120 Halle/Saale, GERMANY
Office:   105
Phone:   +49 (0)345-55 28565
Fax:        +49 (0)345-55 27161
E-mail: mohd-afiq.bin-anuar@physik.uni-halle.de
  Bidit Lamsal
Address: Institute of Physics
                Faculty of Natural Sciences II
                Betty-Heimann-Str. 7
                06120 Halle/Saale, GERMANY
Office:   105
Phone:   +49 (0)345-55 28565
Fax:        +49 (0)345-55 27161
E-mail: bidit.lamsal@physik.uni-halle.de
  David Haselberger
Address: Institute of Physics
                Faculty of Natural Sciences II
                Betty-Heimann-Str. 7
                06120 Halle/Saale, GERMANY
Office:   105
Phone:   +49 (0)345-55 28565
Fax:        +49 (0)345-55 27161
E-mail: david.haselberger@physik.uni-halle.de
  Arman Edalat
Address: Institute of Physics
                Faculty of Natural Sciences II
                Betty-Heimann-Str. 7
                06120 Halle/Saale, GERMANY
Office:   107
Phone:   +49 (0)345-55 28567
Fax:        +49 (0)345-55 27161
E-mail: arman.edalat@student.uni-halle.de
  Fatemeh Fouladi
Address: Institute of Physics
                Faculty of Natural Sciences II
                Betty-Heimann-Str. 7
                06120 Halle/Saale, GERMANY
Office:   107
Phone:   +49 (0)345-55 28567
Fax:        +49 (0)345-55 27161
E-mail: fatemeh.fouladi@student.uni-halle.de
  Farhad Shahsavan
Address: Institute of Physics
                Faculty of Natural Sciences II
                Betty-Heimann-Str. 7
                06120 Halle/Saale, GERMANY
Office:   105
Phone:   +49 (0)345-55 28565
Fax:        +49 (0)345-55 27161
E-mail: farhad.shahsavan@physik.uni-halle.de