TY  - JOUR
A1  - Hagemann, Hans-Jürgen
A1  - Hero, A.
A1  - Gonser, U.
T1  - The valence change of Fe in BaTiO3 studied by Mößbauer effect and gravimetry. Hagemann, H. J.; Hero, A.; Gonser, U.
JF  - Physica Status Solidi (A) - Applied Research. 61 (1980)
Y1  - 1980
SN  - 0031-8965
SP  - 63
EP  - 72
ER  - 
TY  - JOUR
A1  - Hagemann, Hans-Jürgen
A1  - Ihrig, H.
T1  - Valence change and phase stability of 3d-doped BaTiO3 annealed in oxygen and hydrogen. Hagemann, H. J.; Ihrig, H.
JF  - Physical Review B.. 20 (1979), H. 9
Y1  - 1979
SN  - 1095-3795
SP  - 3871
EP  - 3878
ER  - 
TY  - JOUR
A1  - Hagemann, Hans-Jürgen
A1  - Lade, H.
A1  - Warnier, J.
A1  - Wiechert, D. U.
T1  - The performance of Depressed-Cladding Single-Mode Fibres with Different b/a Ratios. Hagemann, H.-J.; Lade, H.; Warnier, J.; Wiechert, D. U.
JF  - Journal of Lightwave Technology (J-LT) / Institute of Electrical and Electronics Engineers (IEEE). 9 (1991), H. 6
Y1  - 1991
SN  - 0733-8724
SP  - 689
EP  - 694
ER  - 
TY  - JOUR
A1  - Hagemann, Hans-Jürgen
A1  - O´Bryan, H. M.
T1  - Grain boundary and surface segragation of Ba-Ti-O-Phases in rutile. O´Bryan, H. M.; Hagemann, H. J.
JF  - Journal of the American Ceramic Society. 70 (1987)
Y1  - 1987
SN  - 0002-7820
SP  - 274
EP  - 278
ER  - 
TY  - JOUR
A1  - Hagemann, Hans-Jürgen
A1  - Stumpe, R.
A1  - Wagner, D.
A1  - Bäuerle, D.
T1  - The influence of contact effects on the dielectric behavior of diffuse phase transitions. Stumpe, R.; Wagner, D.; Bäuerle, D.; Hagemann, H. J.
JF  - Ferroelectrics : the international journal devoted to the theoretical, experimental, and applied aspects of ferroelectrics and related materials / Letters section. 4 (1985)
Y1  - 1985
SN  - 0731-5171
SP  - 143
EP  - 147
ER  - 
TY  - JOUR
A1  - Hagemann, Hans-Jürgen
A1  - Ungelenk, J.
A1  - Wiechert, D. U.
T1  - Optical time domain reflectometry (OTDR) of diameter modulations in single-mode fibers. Hagemann, H. J.; Ungelenk, J.; Wiechert, D. U.
JF  - Journal of Lightwave Technology (J-LT) / Institute of Electrical and Electronics Engineers (IEEE). 8 (1990), H. 11
Y1  - 1990
SN  - 0733-8724
SP  - 1641
EP  - 1645
ER  - 
TY  - JOUR
A1  - Hagemann, Hans-Jürgen
A1  - Wiechert, D. U.
T1  - Measurements and calculations of the LP01 intensity of SM fibres far off the core. Hagemann, H.-J.; Wiechert, D. U.
JF  - Journal of Lightwave Technology (J-LT) / Institute of Electrical and Electronics Engineers (IEEE). 10 (1992), H. 4
Y1  - 1992
SN  - 0733-8724
SP  - 407
EP  - 412
ER  -