1993

Damping dispersion of excitonic polaritons in CdS
K.-H. Pantke and I. Broser
Phys. Rev. B 48, No. 16 (1993), 11752

Magneto-optics of Ni-bound shallow states in ZnS and CdS
R. Heitz, A. Hoffmann, and I. Broser
Phys. Rev. B 48, No. 12 (1993), 8672

Magneto-optics of Cu-related defects in polymorphic ZnS
P. Thurian, R. Heitz, T. Jentzsch, A. Hoffmann, and I Broser
Physica B 185 (1993), 239-244, North-Holland

Electronic structure and dynamical behaviour of different bound-exciton complexes in ZnSe bulk crystals
G. Kudlek, U.W. Pohl, Ch. Fricke, R. Heitz, A. Hoffmann, J. Gutowski and I. Broser
Physica B 185 (1993), 325-331, North-Holland 

Site-selective study of picosecond relaxation processes of Ni²⁺ in polymorphic ZnS
R. Heitz, L. Eckey, A. Hoffmann, and I. Broser
Physica B 185 (1993), 234-238, North-Holland

1992

Dynamical Energy Transfer at the Interface of ZnSe/GaAs Epilayers
N. Presser, Ch. Fricke, G. Kudlek, R. Heitz, A. Hoffmann, J. Gutowski, and I. Broser
Europhysics Conf. Proc. 16A (1992, 214) 

Energy Transfer Between Ni²⁺ and Cu⁺ Centers in ZnS
P. Thurian, R. Heitz, T. Jentzsch, A. Hoffmann, and I. Broser
Europhysics.Conf. Proc. 16 A (1992), 127

Hot lines at mK temperatures: ³He/⁴He calorimetric absorption spectra of the Fe³⁺ ----
Fe²⁺ charge transfer transitions in GaP
L. Podlowski, T. Wolf, R. Heitz, A. Hoffmann, W. Ulrici, D. Bimberg, and I. Broser
Proc. of the 21^st ICPS, Beijing (1992), 1665-1668

Dynamical behaviour of excitons in ZnSe/GaAs heterostructures
G. Kudlek, Ch. Fricke, N. Presser, R. Heitz, A. Hoffmann, J. Gutowski, and I. Broser
Proc. of the 21^st ICPS, Beijing (1992), 1168-1171 

Calorimetric Absorption Spectroscopy of Deep Donors in Silicon at mK Temperatures
A. Hoffmann, L. Podlowski, R. Heitz, I. Broser, and H. G. Grimmeiss
Proc. of the 21^st ICPS, Beijing (1992), 1645-1648 

The Er³⁺ center in a-Si:H
P. Thurian, U. Sylvester, and I. Broser
Proc. of the 21^st ICPS, Beijing (1992), 1972-1975 

Strong optical nonlinearities due to shallow impurities in CdS
T. Hönig, J. Gutowski, M. Nägele, and I. Broser
Phys. Rev. B 45, No. 16, (1992), 9015-9024

The Fe³⁺ center in Zn0
R. Heitz, A. Hoffmann, and I. Broser
Phys. Rev. B 45, No. 16, (1992), 8977-8988

Picosecond relaxation of Ni-centers in II-VI semiconductors
R. Heitz, A. Hoffmann, and I. Broser
Optical Materials 1 (1992), 75-83 

The copper centre: a transient shallow acceptor in ZnS and CdS
R. Heitz, A. Hoffmann, P. Thurian, and I. Broser
J. Phys. C: Conds. Matter 4 (1992), 157-168 

Picosecond energy transfer between excitons and defects in II-VI semiconductors
R. Heitz, Ch. Fricke, A. Hoffmann, and I. Broser
Materials Science Forum, Vol 83-87 (1992), 1241-1246 

Luminescence of a 5d-centre in ZnS
R. Heitz, P. Thurian, A. Hoffmann, and I. Broser
Materials Science Forum, Vol. 83-87 (1992), 1247-1252

Calorimetric absorption spectroscopy at mK temperatures - an extremely sensitive method to determine nonradiative processes in solids
L. Podlowski, A. Hoffmann, and I. Broser
Journ. of Crystal Growth 117 (1992), 698-703

Recombination kinetics of CdS:ln
Ch. Fricke, U. Neukirch, R. Heitz, A. Hoffmann, and I. Broser
Journ. of Crystal Growth 117 (1992), 783-787

Nonlinear Zeeman effect of the Ni³⁺-centre in Zn0
P. Thurian, R. Heitz, A. Hoffmann, and I. Broser
Journ. of Crystal Growth 117 (1992), 727-731

Fast relaxation phenomena in Ni-doped II-VI compounds
A. Hoffmann, B. Lummer, Ch. Fricke, R. Heitz, and I. Broser
Journ. of Crystal Growth 117 (1992), 640-649

Optical nonlinearity and fast switching due to birefringence and mode coupling in CdS crystals
I. Broser, Ch. Fricke, B. Lummer, R. Heitz, and A. Hoffmann
Journ. of Crystal Growth 117 (1992), 788-792 

Nonradiative recombination processes of Ni-impurities in CdS and ZnS
L. Podlowski, R. Heitz, A. Hoffmann, and I. Broser
Journ. of Lumin. 53 (1992,) 401-405 

Picosecond recombination dynamics at Ni-centres in ZnS and CdS
R. Heitz, A. Hoffmann, and I. Broser
Journ. of Lumin. 53 (1992), 359-362

1991

Zeeman spectroscopy of V³⁺-luminescence in Zn0
R. Heitz, A. Hoffmann, B. Hausmann, and I. Broser
J. Lumin. 48 & 49, (1991), 689-692

Zeeman and piezospectroscopy of the Cu²⁺-Center in CdS
I. Broser, A. Hoffmann, R. Heitz, and P. Thurian
J. Lumin. 48 & 49, (1991), 693-697 

Optical non-linearities in degenerate CdS:ln
U. Neukirch, I. Broser, and R. Rass
Montpellier 1991 - Semicond. Sci. Techn. 6 (1991), A 96 – A 100