TY - THES A1 - Veldkamp, Markus T1 - Charakterisierung und Optimierung der Beugungseigenschaften von Si1_xGex Monochromatorkristallen Y1 - 1999 CY - Potsdam ER - TY - JOUR A1 - Veldkamp, Markus A1 - Erko, Alexei A1 - Gudat, Wolfgang A1 - Abrosimov, Nikolai V. A1 - Alex, Volker A1 - Khasanov, Salavat A1 - Neissendorfer, Frank A1 - Pietsch, Ullrich A1 - Shekhtman, Veniamin T1 - Si(1-x)Ge(x) laterally graded crystals as monochromators for X-Ray absorption spectroscopy studies Y1 - 1999 ER -