Subject | Year |
Ullrich Pietsch: Ex-situ and in-situ X-ray nano-diffraction analysis of the structure of core-shell-shell semiconductor nanowires, Invited talk, Nanowire week, Lund | 2017 |
Ullrich Pietsch et al. White beam Laue diffraction of polycrystalline materials using 3D energy dispersive detector (pnCCD) , invited talk, ECM30 Basel | 2016 |
Ullrich Pietch, “In-situ X-ray Diffraction Studies during GaAs MBE Nanowire Growth”, contributed talk SXNS14, Stony, Brook | 2016 |
Ullrich Pietsch “Structure to property relations of single MBE grown GaAs and InAs nanowires onto silicon (111) studied by X-ray nanodiffraction” Invited talk ECM29 Rovinj, Croatia | 2015 |
Ullrich Pietsch et al. "Determination of the phase domain distribution in single semiconductornanowires by means of coherent diffraction imaging" , contributed talk, TMS2015,Orlando, FL | 2015 |
Ullrich Pietsch et al. "Application of energy-dispersive pnCCD detector in material science using hard X-rays , contributed talk TMS2015, Orlando Florida | 2015 |
Ullrich Pietsch et al. X-ray investigation of polytype distributionin InAs Nanowires during MBE growth, contributed talk XTOP, Villard de Lans, | 2014 |
Andreas Biermanns et al. Defects in semiconductor nanowires - individual structure and growth dynamics , invited talk SXNS13, Hamburg | 2014 |
Ullrich Pietsch et al. “ Lattice accomodation at the GaAs Nanowire to Silicon (111) substrate interface after Ga- assited MBE Growth” selected oral talk at SXNS12, Kolkata | 2012 |
Ullrich Pietsch ”X-ray investigation of lattice parameters qnd crystal phases of Ga(In)As Nanowires grown by MPVPE and MBE” International School on Nanoscience with X-rays and Neutron sources” Kolkata | 2012 |
Ullrich Pietsch, Andreas Biermanns, Anton Davydok, Steffen Breuer, Achim Trampert, Lutz GeelhaarLattice parameter accomodation at the GaAs Nanowire to Si (111) substrate interface after Ga-assisted MBE, invited talk DPG Berlin | 2012 |
M. AlTaaini, S. Wagner U.Pietsch,“Electric field induceddeformation in Piezoelectric LiH2PO4 and LiH2PO3“ , Poster XXIII IUCr Congress, Madrid | 2011 |
A.Hüsecken, U.Pietsch “Investigation of the mosaicity in Li2SO4*H20 crystals”, Poster XXIII IUCr Congress, Madrid | 2011 |
Rafael Grifone, U.Pietsch “Time-resolved X-ray diffraction study of LiNbO3 under pulsed external electric field”, oral presentation XXIII IUCr Congress, Madrid | 2011 |
Ullrich Pietsch “Accomodationof lattice parameters at interfaces between GaAs Nanowires and Silicno substrate” invited First workshopm on Machine and Research Aspects of the proposed Turkish Ligth Source, Istanbul Turky | 2011 |
Ullrich Piesch “X-ray strain evaluation at individual semiconductor nanowires” Invited, German Mongolian workshop Ulan-Bataar | 2010 |
S. Send, et al. “Application of frame-store pnCCD in Protein Crystallography”, Poster ECM26, Istambul | 2010 |
Oleg Schmidta, Elmar Neumannb Ullrich Pietsch Experimental electron density distribution in Li2SO4•H2O, Li2SeO4•H2O and LiH2PO4, Poster ECM26 Istanbul | 2010 |
Raphael Grifonea, Oleg Schmidta, Semen Gorfmanb, Ullrich Pietsch “Time-resolved X-ray diffraction study of the piezoelectric response of single crystals”, Oral presentation ECM26, Istanbul | 2010 |
Ullrich Pietsch, “New detection routes for X-ray structure analysis” Invited talk, Gordon Research Conference “Electron Distribution & Chemical Bonding” Mount Holyoke College, South Hadley, MA | 2010 |
Ullrich Pietsch, University of Siegen, Siegen, Germany X-ray strain evaluation at individual semiconductor nanorods , invited talk on 10issrns, Szklarska Poręba , Poland | 2010 |
S. Send, U.Pietsch. Simultaneous spatially, energy- and time-resolved SAXS Measurements using a new pnCCD detector Oral presentation at GISAS 2009, Hamburg | 2009 |
W. Leitenberger, R. Hartmann, S. Send, U. Pietsch, T. Panzner, K. Nurdan, L. Strüder Application of a pnCCD in X-ray diffraction- a 3D x-ray detector Poster Presentation at XTOP 2008, Linz/Austria | 2008 |
U. Pietsch and B. Brüser, “Kinematic and dynamic light scattering from 3D photonic Crystals”, Invited talk SPIE Proc. Security and Defense Berlin | 2009 |
A. Biermanns, A. Davydok, H. Paetzelt, J. Bauer, V. Gottschalch, U.Pietsch, T.H. Metzger, „Structure Investigations of individual GaAs Nanorodsby Coherent Diffraction Imaging, Poster at X-ray GORDON Conference, POSTER AWARD | 2009 |
Sebastian Send, Marc von Kozierowski, Tobias Panzner, Semen Gorfman, Kivanc Nurdan, Albert Walenta, Ullrich Pietsch, Wolfram Leitenberger, Robert Hartmann, and Lothar Strüdere, Energy dispersive Laue diffraction by means of a Frame store pnCCD, Poster on SAGAMORE XVI, Santa Fe | 2009 |
O. Schmidt , S. Gorman, U.Pietsch, P.Becker and L. Bohaty, “X-ray diffraction Study of Piezoelectric Crystal Response on the Nanosecond Time Scale”, Oral Talk on ECM25, Istanbul | 2009 |
Ö.Kurtulus, U.Pietsch, High-Efficency Core-shell Nanwires and their characterization by X-ray diffraction”, Poster, ECM25, Istanbul | 2009 |
A. Davydok, A. Biermanns, H. Paetzelt, J. Bauer, V. Gottschalch, U.Pietsch, T.H. Metzger, „Structure Investigations of individual GaAs Nanorodsby Coherent Diffraction Imaging, Poster ECM25, Istanbul | 2009 |
Sebastian Send, U.Pietsch et al. : Application of pnCCD for energy-dispersive Laue Diffraction, Poster IUCr, Osaka | 2008 |
A. Davydok, U.Pietsch et a. Initial State of VLS-growth of InAs nanorods on GaAs (111) probed by X-ray diffraction and TEM, Poster on IUCr, Osaka | 2008 |
Ullrich Pietsch “New Possibilities for time-resolved x-ray diffraction studies” Oral talk At European charge densiry Meeting Gravedonna, Lake Como | 2008 |
Ullrich Pietsch, Martin Lommel, Yves Bodenthin, Dirk Kurth, Gutram Schwarz, Helmut Möhwald, “Supercooled High Spin Staste in Metallo-Supramolecular Assemblies“, Poster ECM24 Marrakech | 2008 |
Ullrich Pietsch, Andreas Biermanns, Jörg Grenzer, Jens Bauer, Volker Gottschalch, „Grazing-Incidence diffraction from free standing InAs/GaAS nanorods“ oral talk on TRIP 2007 Berlin | 2007 |
Ullrich Pietsch, Andreas Biermanns, Jörg Grenzer, Jems Bauer, Volker Gottschalch, „Grazing-Incidence diffraction from free standing InAs/GaAS nanorods“ invited talk on EMRS Warschau | 2007 |
Ullrich Pietsch “Electric field induced lattice displacements In BiB3O6 crystals”, Oral talk on 24 European Crystallographic Meeting Marrakech | 2007 |
Ullrich Pietsch and Oliver Seeck : “Beam line design for synchrotron radiation for high resolution diffraction” Keynote Lecture on 2007 Sino-German High Level Expert Symposium on X-ray Optics, Shanghai | 2007 |
Ullrich Pietsch, Semen Gorfman, Oleg Schmidt, Marcus Schmidt, Horst Borrmann, Yuri Grin, Vladimir Tsirelson : Charge density variations in ternary compounds under influence of an external electric field”, poster at Sagamore XV, Bosworth Hall Hotel, Warwickshire, UK | 2006 |
D. Ksenzov, S. Grigorian, U.Pietsch “X-ray reflectivity at multilayers using femtosecond pulses of VUV-FEL”, Poster at 9SXNS, Teipei | 2006 |
T. Panzner, G. Gleber, T. Sant, W. Leitenberger and U. Pietsch „Coherence experiments at the white-beam beamline at BESSYII“ Poster at 9SXNS, Teipei | 2006 |
S. Kowarik , A. Gerlach, W. Leitenberger, J. HU, G. Witte, C. Wöll, U. Pietsch, F. Schreiber : “Energy-dispersive X-ray reflectivity and GID for Real-Time Growth Studies for Pentacene Thin Films”, contributed talk 9SXNS, Teipei | 2006 |
O. Henneberg, K. Morawetz, B. Schulz , B. Dietzel, M. Saphiannikova, M.Roth and U. Pietsch, „Diffraction properties of 3D azobenzene-polymer gratings“ Invited talk at PhotonicsNorth, Quebec | 2006 |
S.Gorfman, V.Tsirelson, U.Pietsch, “Site selective response of α-GaPO4 crystals to a permanent external electric field”, 4th. European Charge Density Meeting, Brandenburg | 2006 |
T.Panzner, G. Gleber, K.Morawetz, U.Pietsch Coherent Reflectivity at the EDR beamline at BESSY II, IgeSA Island de Porquerolles, France | 2005 |
U.Pietsch, S.Gorfman, V.Tsirelson , Bond-dependent crystal response on electric field : Synchrotron diffraction study, poster presentation on 20th IUCr Congress, Florence, | 2005 |
J.Grenzer, U.Pietsch, S.Grigorian, S.Hazra, T.K. Chini, M.K. Sanyal : Ripple formation of ion-beam induced Si Wafers, contributed talk on 20th IUCr Congress, Florence | 2005 |
U. Pietsch „In-situ VIS and X-ray scattering investigations of surface relief grating formation in polymer films containing azobenzene moieties“ invited talk on 8th International conference on Frontiers of Polymer and Advanced Materials, Cancun, Mexico | 2005 |
J. Grenzer and U.Pietsch „X-ray investigation of low-energy ion-beam induced lateral semiconductor surface Nanostructures invited talk at Asian Material Res. Soc. Taiwan | 2004 |
U.Pietsch “Electron Density Determination under not Ambient Conditions”. Key-note Lecture at ECM22, Budapest | 2004 |
A. Jarre, T.Panzner, U.Pietsch, F.Pfeiffer, T.Salditt “White beam X-ray waveguide optics” poster contribution at 8th international conference on Surface X-ray and Neutron Scattering, Bad Honnef, Germany | 2004 |
W.Leitenberger, T.Panzner, U.Pietsch „X-ray interferometry and ist application“ poster contribution at 8th international conference on Surface X-ray and Neutron Scattering, Bad Honnef, Germany | 2004 |
T.Panzner, W.Leitenberger, U.Pietsch, I.Vartanyants “Coherence experiments at the EDR-beamline of BESSY II”, poster contribution at 8th international conference on Surface X-ray and Neutron Scattering, Bad Honnef, Germany | 2004 |
U.Pietsch. T. Panzner, F.Pfeiffer, I.K. Robinson “Substrate morphology repetition in thick polymer films” poster contribution at 8th international conference on Surface X-ray and Neutron Scattering, Bad Honnef, Germany | 2004 |
U.Pietsch “White beam reflectometry and coherent scattering at the EDR beamline of BESSY II” invited talk at 8th international conference on Surface X-ray and Neutron Scattering, Bad Honnef, Germany | 2004 |
U.Pietsch and U.Zeimer „Nanoengeneering of lateral strain-modulation in semiconductor quantum-well heterostructures” invited talk on HREDAMM, Zakopane, International conference on Computing Methods in High Resolution Diffraction Applied for Structure Characterization of Modern Materials | 2004 |
U.Pietsch, U.Zeimer : „Nanoengeneering of lateral strain-modulation in semiconductor quantum-well heterostructures” invited talk on iconosat, International Conference on Nanoscience and Technology, Kolkata, India | 2003 |
J. Davaasambuu. V.Kochin, A.Pucher, P.Blaha and U.Pietsch: “The atomistic origin of the inverse piezoelectric effect in a-SiO2 and GaPO4” Sagamore XIV , Broome Australia | 2003 |
Leitenberger, W. et al. Pinhole interfeometry with coherent hard X-rays contributed talk @ 17th International conference on X-ray optics and microanalytic (ICXOM), Chamonix (France) | 2003 |
J.Grenzer, U.Pietsch, B.Köhler „Depth resolved strain analysis of lateral nanostructures produced by focused Ga ion implantation in GaAs“, contributed talk at X-ray Denver conference | 2003 |
J.Grenzer and U.Pietsch „Structure Investigations of thin Films and Lateral Nanostructures by means of X-Ray Grazing Incidence Diffraction”, invited talk at X-ray Denver Conference | 2003 |
T.Panzner, J.Grenzer, W.Leitenberger, U.Pietsch „Coherence experiments at the Energy-Dispersive EDR-beamline at BESSY II” Gordon X-ray Conference, Bristol, RI | 2003 |
J.Davaasambuu. V.Kochin, A.Pucher, S.Gorfman, V.Tsirelson, P.Blaha and U.Pietsch: “The atomistic origin of the inverse piezoelectric effect in a-SiO2 and GaPO4” ECDM-III -3rd European Charge Density Meeting, Sandberg Estate, Denmark | 2003 |
J.Grenzer and U.Pietsch „High-resolution X-ray diffraction form surface relief nanostructures : General results and apparative requirement” Workshop on condensed matter applications at PETRA III, Hamburg | 2002 |
U.Pietsch. J.Davaasambuu, V.Kochin “E-field induced charge density variations in a-Quartz” contributed talk in Rigi-Workshop on crystal physics, Rigi-Alm, Switzerland | 2002 |
S.A. Grigorian, J. Grenzer, S. Feranchuk, U. Zeimer, U.Pietsch, „GRAZING-INCIDENCE DIFFRACTION STUDY OF A STRAIN-MODULATED SINGLE QUANTUM WELL NANOSTRUCTURES” , poster XTOP, Aussois, France | 2002 |
O.Henneberg,Th.Geue, M.Saphiannikova, U.Pietsch, “Xray and VIS light scattering from light-induced polymer gratings” poster X-TOP, Aussois, France | 2002 |
T.Panzer, J. Grenzer, A. Pucher, and U. Pietsch „Coherent X-Ray Scattering at Dipole Beamline EDR at BESSY II” , poster XTOP, Aussois, France | 2002 |
J. Grenzer, F. Gao, U. Pietsch “Studying laterally-ion-modulated surface grating by x-ray grazing incidence diffraction”, contributed talk, X-TOP, Aussois, France | 2002 |
U.Pietsch, Th. Geue, O.Henneberg, M.Saphiannikova, P.Rochon, A.Natansohn “X-ray investigation of light-induced polymer surface gratings” contributed talk on SXNS7, Lake Tahoe, CA, | 2002 |
U.Pietsch, J.Grenzer, R.Lauter, A. Pucher „Time resolved X-ray scattering at the EDR beamline at BESSY II“ talk on European Meeting on Time-resolved Investigations of Structural Chnages in Soft and Solid Matter with Neutrons and X-rays” Sommerfeld, BRD | 2002 |
Y. Bodenthin J. Grenzer, R. Lauter, Th. Geue, U. Pietsch, D. Kurth and P. Lehmann „Investigation of metallo-supramolecular polymers in thin films using synchrotron radiation” Poster at ECOF 8, Lecce/Italy | 2001 |
O. Henneberg, T. Geue, M. Saphiannikova, U.Pietsch, A.Natansohn, P.Rochon, F. Finkelstein “Dynamics of Surface Relief Grating Formation : A Viscoelastic Model Gives Good Agreement to VIS-light and X-ray Scattering Experiments” talk at ECOF 8, Lecce, Italien | 2001 |
S. Grigorian, U. Pietsch, J. Grenzer, I. Vartanyans “Inelastic scattering of x-rays by thermal phonons in grazing-incidence diffraction conditions” , Internat. Conf. On inelastic x-ray scattering, IXS 2001, Haikko, Finland | 2001 |
J. Grenzer, U. Zeimer, U.Pietsch, S.Gramlich, F. Bugge, V. Smirnitzki, Ch. Lienau, S. Grigorian, M.Weyers, G.Tränkle “Carrier Confinement of a InGaAs QW Induced by a Periodical Stressor Layer” Internat. Conf. On Modulated Semiconductor Structures; MSS 10, Linz, Austria | 2001 |
A. Natansohn, P. Rochon, U.Pietsch, Th. Geue, O.Henneberg, M. Saphiannikova „Formation and Dynamics of Polymer Surface Relief Gratings“ , Main talk at Europolymer Congress, Eindhoven, NL, | 2001 |
U. Pietsch Th. Geue, M.Saphiannikova, O.Henneberg, P.Rochon and A.Natansohn “ Formation mechanism and dynamics in polymer surface gratings” Poster at X-ray GORDON-Research Conference 2001, New London (CT), USA | 2001 |
J. Davaasambuu, A.Pucher U.Pietsch “Electric field induced electron density variations in alpha-quartz and gallium phosphate “ Poster on Gordon Research Conference on “Electron distribution and Chemical bonding”, South Hadley, MA, USA | 2001 |
T.M. Geue, O. Henneberg, M. Saphiannikova, U. Pietsch, A. Natasohn and P. Rochon “Investigation of material flow on inscribing a polymer surface grating probing X-ray and VIS light scattering” MRS Spring meeting, O10.5 San Francisco, CA, USA | 2001 |
Th. Geue O.Henneberg, J.Grenzer, U.Pietsch, A.Natansohn, P.Rochon “Formation of buried density grating on thermal erasure of azobenzene polymer surface gratings”, MRS Spring meeting, R10.6 San Francisco, CA, USA | 2001 |
O.Henneberg, Th. Geue, M. Saphiannikova, U.Pietsch, P. Rochon and A. Natansohn „Formation and Dynamics of Polymer Surface Relief Gratings” invited talk “Nanostructures” Calcutta | 2001 |
J. Grenzer, N. Darowski, A. Daniel, J.P. Reithmaier, A. Forchel and U. Pietsch ”Grazing-incidence diffraction strain analysis of a laterally modulated QW system produced by focused ion implantation”, poster XTOP, Ustron- Jaszowiec, | 2000 |
A. Ulyanenkov, U. Pietsch, K. Omote, N. Darowski, J. Grenzer, K. Inaba, P. Mikulik and A.Forchel ”X-ray diffraction and reflectivity analysis of free-standing quantum wires” oral talk on XTOP, Ustron- Jaszowiec, | 2000 |
M.K.Sanyal, M.Mukhopadhyay, A.Datta, J.K.Basu, Th.Geue and U.Pietsch ”Diffuse integrated reflectivity and grazing-incidence diffraction studies on melting of Langmuir-Blodgett films”, oral talk on XTOP, Ustron- Jaszowiec, | 2000 |
U. Zeimer, J. Grenzer, U. Pietsch, S. Gramlich, F. Bugge, V. Smirnitzki, M. Weyers and G.Tränkle ”Investigation of strain-modulated InGaAs-nanostructures by grazing-incidence X-ray diffraction and photoluminescence” oral talk on XTOP, Ustron- Jaszowiec, | 2000 |
A.Avilov, G.Lepeshov, A.Kuliygin, V.Tsirelson, U.Pietsch and J.Spence ”First quantitative analysis of bonding in covalent and ionic crystals by high-resolution electron diffraction”, Poster on SAGAMORE XIII, Stare Jablonski | 2000 |
J.Davaasambuu, A.Daniel, J.Stahn and U.Pietsch ”Comparison of experimental valence charge densities of the isoelectronic series Ge,GaAs and ZnSe” Poster on SAGAMORE XIII, Stare Jablonski | 2000 |
U.Pietsch ”Electric field induced charge density variations in semi-ionic compounds” oral talk on SAGAMORE XIII, Stare Jablonski, | 2000 |
Th.Geue, O.Henneberg, J.Grenzer, U.Pietsch, A.Natansohn, P.Rochon and K.D. Finkelstein ”Formation of a buried density grating on thermal erasure of azobenzene polymer surface gratings” oral presentation on International Conference on Organized Molecular Films, LB9, Potsdam | 2000 |
O.Henneberg, Th.Geue, M.Saphiannikova, A.Natansohn, P.Rochon and K.D. Finkelstein ”Investigation of Material flow on inscribing a polymer surface grating probing x-ray and visible light”, oral presentation International Conference on Organized Molecular Films, LB9, Potsdam | 2000 |
U.Pietsch, J.Grenzer, Th.Geue, F.Neissendorfer, G.Brezesinski, Ch.Symietz , H.Möhwald and W.Gudat ” The energy dispersive reflectometer at BESSY II: A Challenge for thin film analysis” poster at SRI 2000, Berlin | 2000 |
U.Pietsch, J.Grenzer, Reithmeier, ”GID strain analysis of laterally modulated Quantum well systems produced by focused ion implantation” seminar talk at SLEC Stanfort, | 2000 |
U.Pietsch, T.Geue, O.Henneberg, P.Rochon and A.Natansohn ”Creation of a buried lateral nanostructure in amorphous polymer films containing azobenzene sinde groups” MRS-Spring Meeting San-Francisco | 2000 |
U.Pietsch, U.Zeimer, J.Grenzer. L.Hofmann and S.Gramlich ”Strain induced compositional modulations in AlGaAs overlayers induced by lateral surface gratings” MRS-Spring Meeting San-Francisco | 2000 |
U.Pietsch ”Investigation of semiconductor interfaces by X-ray grazing-incidence diffraction” Dept.of Physics Colloqium, Queens Univ.Kingston , ON, Canada , invited talk | 2000 |
U.Pietsch ”Investigation of semiconductor interfaces by X-ray grazing-incidence diffraction” invited talk on Indian Meeting on Material Research using Accelerator Facilities Calcutta | 1999 |
Y.Zhuang, J.Stangl, T.Roch, G.Bauer, S.Zerlauth, F.Schäffler, U.Pietsch, N.Darowski, V.Holy ”Investigation of inhomogeneous strain relaxation in dry etched SiGe/Si quantum wires using X-ray grazing- incidence diffraction” MRS Fall Meeting , Boston | 1999 |
U.Pietsch, J.Stahn "Electric Field induced charge density variations in covalently bonded binary compounds" European Charge Density Meeting ECDM-II, Sitges (Barcelona) Spain, | 1999 |
U.Pietsch N.Darowski, K.H.Wang and A.Forchel: " Depth-resolved Investigation of the strain distribution in lateral Nanostructures" 6th. SXNS, Noordwijkerhout, The Netherlands, | 1999 |
U.Pietsch, Th.Geue, J.Schultz, J.Grenzer, A.Natansohn and P.Rochon "In-situ X-ray and VIS reflectivity investigations of light-induced surface patterning in polymer films" GORDON X-ray conference , Plymoth, NH., U.S.A. | 1999 |
U.Pietsch "Investigation of the dynamics of surface pattern formation in azo-polymer films using X-ray and VIS light scattering" Instituts-Colloquium, Chemistry Dept., Queens University, Kingston, Ontario | 1999 |
U.Pietsch "X-Ray Diffraction Analysis of Semiconductor and Polymer Surface Patterns" Kolloqiumsvortrag Wilson Lab. (CHESS) Cornell University | 1999 |
U.Pietsch , U.Englisch,S.Katholy, J.Reiche "Spin-Resolved Neutron Reflectometry From Partially Deuterated Multilayers from Fatty Acid Salts", poster at ACA Annual Meeting, Buffalo , U.S.A | 1999 |
Th.Geue, U.Pietsch, M.Schultz, A.Natansohn, P.Rochon "In-situ X-Ray reflectivity Investigations of the Visible-Light Induced Surface Patterning in Polymers", contributed talk on ACA Annual Meeting , Buffalo | 1999 |
U.Pietsch, J.Stahn, A.Pucher, A.Daniel "Electric-Field Induced Valence Charge Density Response in GaAs and ZnSe" Annual Meeting of American Crystallographic Association, Arlington, Virgina USA | 1998 |
U.Englisch, S.Katholy, F.Penacorada, J.Reiche, U.Pietsch "Investigation of the molecular diffision across organic multilayers using neutron reflectivity" 7th. European Conference on Organic Films, Potsdam | 1998 |
Y.Zhuang, V.Holy, J.Stangl, A.A.Darhuber, P.Mikulik, S.Zerlauth, F.Schäffler, G.Bauer, N.Darowski, D.Lübbert, U.Pietsch Strain relaxation in periodic arrays of Si/SiGe quantum wires determined by coplanar high-resolution X-ray diffraction and grazing-incidence diffraction", XTOP 98, Durham | 1998 |
U.Zeimer, T.Baumbach, J.Grenzer, D.Lübbert, A.Mazuelas, U.Pietsch, G.Erbert" "In-situ characterization of strain distribution in broad area high power lasers under operation..." XTOP 98, Durham | 1998 |
N.Darowski, U.Pietsch, K H.Wang, A.Forchel and U.Zeimer: "X-ray diffraction analysis of the compositional modulation in Al(y)Ga(1-y)As Overlayers induced by the in-plane strain of buried GaAs/In(x)Ga(1-x)As/GaAs surface gratings" XTOP 98, Durham | 1998 |
A.A.Darhuber, J.Stangl, V.Holy, Y.Zerlauth, G.Bauer, N.Darowski, D.Lübbert, U.Pietsch: "Strain and Strain Relaxation in Si(1-x)Ge(x) Dot Multilayers Embedded In Silicon" Int.Conference on Physics of Semiconductors. Jerusalem | 1998 |
N.Darowski, U.Pietsch, K.H.Wang, A.Forchel, S.Kycia, Q.Shen "Analysis of Strain Relaxation in Free Standing and Buried SQW-Lateral Structures" Poster at European Crystallographic Meeting -18 Prag | 1998 |
J.Stahn, A.Pucher and U.Pietsch "Electric Field Induced Electron Density Response of GaAs and ZnSe" Poster at European Crystallographic Meeting -18 Prag | 1998 |
A.Avilov, G.Lepeshov, A.Kulygin, V.Zavodnik, E.Belokoneva, V.Tsirelson, J.Stahn, U.Pietsch, J.Spence "Quantitative Reconstruction of Electrostatic Potential in MgO and NaF by Electron and X-Ray Diffraction" Poster at European Crystallographic Meeting -18 Prag | 1998 |
U.Pietsch, N.Darowski, K.H.Wang, A.Forchel, Q.Shen, S.Kycia "X-Ray Diffraction Analysis of Free Standing and Overgrown Surface Nanostructures" invited talk, European Crystallographic Meeting -18 Prag | 1998 |
R.Stömmer, A.R.Martin, W.Hub, H.Göbel, U.Pietsch "X-ray scattering from silicon surfaces: A useful tool for quality control" E-MRS Meeting Strasburg | 1998 |
N.Darowski, U.Pietsch, K.-H.Wang, A.Forchel, Q.Shen and S.Kycia "Analysis of the strain relaxation of free standing and buried GaAs/GaInAs/GaAs SQW lateral structures by means of x-ray diffraction", E-MRS Meeting Strasburgh | 1998 |
R.Siebrecht, A.Schreyer, U.Englisch, U.Pietsch, H.Zabel "The New Reflectometer ADAM at ILL" International Conference on Neutron Scattering, Toronto, Canada | 1997 |
U.Englisch, J.Reiche, F.Penacorada, B.Diezel, U.Pietsch, L.Brehmer "Neutron and X-ray reflectivity investigations of alternating LB superlattices" 8th International Conference on Organized Molecular Films, Asilomar, CA U.S.A. | 1997 |
P.Haier, B.A.Herrmann, N.Esser, U.Pietsch, K.Lüders and W.Richter "Influence of the deposition rate on the structure of thin metal layers" E-MRS Strasburgh | 1997 |
U.Pietsch and J.Stahn "Bond-charge properties of the isoelectronic compounds Ge, GaAs, ZnSe studied with difference density maps of X-ray structure amplitudes" Poster at SAGAMORE XII, Waskesiu, Saskatchewan, Canada | 1997 |
J.Stahn, A.Pucher and U.Pietsch "Electric-field induced charge-density variations in GaAs" Poster at SAGAMORE XII, Waskesiu, Saskatchewan, Canada | 1997 |
N.Darowski, U.Pietsch, D.Lbbert, T.Baumbach, Y.Zhang, S.Zerlauth and G.Bauer "Triple-axis X-ray grazing incidence analysisof a vertically structurized quantum dot array" ad-hoc Poster at Fifth International Conference on "Surface X-Ray and Neutron Scattering" Oxford | 1997 |
N.Darowski, K.Paschke, U.Pietsch, K.H.Wang, A.Forchel, T.Baumbach, U.Zeimer "Characterization of free standing surface nanostructures using coplanar and non-coplanar X-ray diffraction" Poster at Fifth International Conference on "Surface X-Ray and Neutron Scattering" Oxford | 1997 |
A.Schreyer, R.Siebrecht, U.Englisch, U.Pietsch and H.Zabel "ADAM, a new reflectometer at ILL" Poster at Fifth International Conference on "Surface X-Ray and Neutron Scattering" Oxford | 1997 |
U.Englisch, F.Penacorada, I.Samoilenko and U.Pietsch "Investigation of the vertical molecular exchange in a comlex organic multilayer system" Poster at Fifth International Conference on "Surface X-Ray and Neutron Scattering" Oxford | 1997 |
A.Ulyanenkov, U.Klemradt and U.Pietsch "Investigation of strain relaxation in GaInAs/GaAs superlattices by X-ray scattering" Poster at 5fth Internat.Conf. on "Surface X-Ray and Neutron Scattering" Oxford | 1997 |
G.T.Baumbach, U.Pietsch, D.Lübbert, N.Darowski, L.Leprince, A.Talneau, J.Schneck "Grazing Incidence Diffraction by Epitaxial Multilayer Gratings" Oral presentation at Fifth International Conference on "Surface X-Ray and Neutron Scattering" Oxford | 1997 |
J.Stahn and U.Pietsch "Comparison of experimental and theoretical valence charge densities of GaAs" Oral presentation at First European Charge Density Meeting, Les Premontres, Nancy, FRANCE | 1996 |
Bolm A., Englisch U., Penacorada F., Gerstenberger M., Pietsch U., " Temperature and Time Dependent Investigations of Cd- and Uranyl-Stearate Multilayers by means of Neutron Reflectivity Measurements" 6th European Conference of Ordered Films, Sheffield | 1996 |
Reiche J., Dietzel B., Knochenhauer G., Freydank A., Zetzsche T., Geue T., Barberka T.A., Pietsch U., Brehmer L., " Structure of Thermally Treated Oxadiazoleamide Langmuir Blodgett Films" 6th European Conference of Ordered Films, Sheffield | 1996 |
Reiche J., Penacorada F., Zetzsche T., Geue, T., Barberka T.A., Pietsch U., Brehmer L. "In-plane Structure of Uranyl Arachidate Multilayers" 6th European Conference of Ordered Films, Sheffield | 1996 |
Th.Geue T. and U. Pietsch "Real Structuree Investigations on Thin Organic Multilayers of Amphotropic Side Chain Azocopolymers"; 36th IUPAP International Symposium on Macromolecules, Seoul | 1996 |
V.E.Zavodnik, Yu.Abramov, A.I.Stash, E.Belokoneva, A.S.Avilov, U.Pietsch, J.Stahn, D.Feil and V.G.Tsirelson "Electron density and properties of rock-salt type crystals" Poster on XVII Congress and General Assembly of International Union of Crystallography, Seattle, | 1996 |
J.Stahn, M.Möhle and U.Pietsch "New Precise X-ray Structure Amplitudes of GaAs Obtained by Means of the Pendellösung Method" Poster at XVII Congress and General Assembly of the International Union of Crystallography, Seattle, USA, | 1996 |
F. Neissendorfer, A. Bolm and U. Pietsch "Energy dispersive X-ray reflectometry and X-ray grazing incidence diffraction from organic multilayers" 3rd International School and Symposium on Synchrotron Radiation in Natural Science, Jasowiec, Poland | 1996 |
K.Paschke, T.Geue, T.A.Barberka,A.Bolm, U.Pietsch, M.R”sch, E.Batke, F.Faller, K.Kerkel, J.Oshiniwo and A.Forchel "Characterization of lateral semiconductor nano structures by means of X-ray grazing- incidence diffraction" poster presentation at "3rd European Symposium on X-ray Topography and High Resolution Diffractometry", Palermo, Italy , | 1996 |
U.Pietsch and D.Rose "Depth selective analysis of buried semiconductor layers using X-ray grazing incidence diffraction" invited talk on XVII Congress and General Assembly of the International Union of Crystallography, Seattle, USA, | 1996 |
U.Pietsch "The domain structure of LB-Multilayers prepared from fatty acid salts" invited talk on 45th Annual Denver X-Ray Conference, Denver, Colorado, | 1996 |
U.Pietsch, T.A. Barberka, U.Englisch and R.Stömmer "X-ray scattering from thin organic films and multilayers" invited talk on "3rd European Symposium on X-ray Topography and High Resolution Diffractometry", Palermo, Italy | 1996 |
M.Möhle, J.Stahn and U.Pietsch "Accurate structure determination for GaAs using Pendellösung oscillation" German-Japanese workshop on the use of ultra-short wavelength photons and g-rays for high precision, high resolution analysis of electronic states of solids" Hamburg | 1996 |
U.Pietsch, T.A.Barberka, U.Englisch and R.Stömmer " The domain structure of L.B.multilayers prepared from fatty acid salts" invited talk on 7th International Conference on Organized Molecular Films, Ancona | 1995 |
R.Stömmer, U.Englisch, U.Pietsch and V.Holy " X-ray and neutron diffuse scattering from multilayers of fatty acid slat molecules" 4th International Conference on Surface X-ray and Neutron Scattering, Lake Geneve, Wisconcin | 1995 |
D. Rose and U.Pietsch " Grazing-Incidence X-ray Diffraction Studies of the Relaxation Behavior in GaInAs/GaAs Multilayers Grown on GaAs[001]" MRS Spring-Meeting San-Francisco | 1995 |
D.Rose, U.Pietsch, V.Gottschalch and H.Rhan "Investigation of single quantum wells InAs/GaAs[001] using grazing incidence X-ray diffraction" 2nd European Symposium , X-ray Topography and High Resolution Diffraction", Gosen | 1994 |
D.Rose,U.Pietsch, A Förster and T.H.Metzger " Depth resolved investigations of the relaxation behaviour in strained GaInAs/GaAs superlattices using grazing incidence X-ray diffraction" First European Conference on Synchrotron Radiation in Material Sciences, Chester | 1994 |
Th.Geue, J.Stumpe, U.Pietsch and G.Kaupp " Photochemically induced changes of optical anisotropy and surface of LB-multilayers built up by an amphotropic copolymer containing azobenzene moieties" Internat. Conf. on Photochemistry, Prag | 1994 |
U.Pietsch " Time resolved investigations of thin organic films by means of energy dispersive X-ray reflectometry" Workshop on X-ray and neutron reflectivity on thin films and interfaces, Paris | 1994 |
F.Neissendorfer, F.Schäfers, J.Grenzer aund U.Pietsch " A Newly installed reflectometer at BESSY" 3nd European Powder Diffraction Conference, EPDIC-3, Wien | 1993 |
D.Rose, U.Pietsch, A.Förster and H.Metzger "Depth resolved investigation of the relaxation bahaviour in strainded GaInAs/GaAs superlattices using grazing incidence X-ray diffraction" 3nd International Conference on Surface X-Ray and Neutron Scattering, Dubna | 1993 |
T.Barberka, U.Pietsch, U.Höhne and T.H.Metzger "Investigation of the in-plane structure of Pb- and Ni-stearate multilayers by means of grazing incidence X-ray diffraction" Sixth International Conference on Organized Molecular Films, Trois-Riveres,Quebec | 1993 |
U.Pietsch, T.Barberka, W.Mahler, T.H.Metzger " Real structure investigations of organic multilayers by means of diffuse x-ray scattering experiments" Sixth International Conference on Organized Molecular Films, Trois-Riveres,Quebec | 1993 |
T.Baumbach, D.Martin und U.Pietsch " Grazing incidence X-ray diffraction and its interdependence on the specular X-ray reflectivity in case of a semiconductor superlattice" EPS Tagung - Regensburg | 1993 |
D.Rose, U.Pietsch, H.Metzger und A.Förster " Investigation of the lattice relaxation in GaInAs/GaAs[001] strained layer superlattices by means of grazing incidence diffraction" EPS- Tagung - Regensburg | 1993 |
T.Barberka, U.Pietsch, H.Metzger und U.Höhne "Evaluation of 3D-Structure of Pb-stearate multilayers by means of grazing incidence diffraction" EPS Tagung - Regensburg | 1993 |
U.Pietsch: "Identification of an enlarged quantum well in semiconductor superlattices by grazing incidence X-ray diffraction" XIII European Crystallographic Meeting, Enschede | 1992 |
H.Merle, G.Schultes, H.Metzger and U.Pietsch: "The advantage of the energy dispersive X-ray reflectivity technique for the investigation of dynamical processes in Langmuir-Blodgett multilayers" ECOF 92 - Bangor/Wales | 1992 |
U.Pietsch "Depth Selective Real Structure Analysis of Inorganic and Organic Multilayers by Means of Grazing Incidence X-ray Diffraction" Invited Lecture on 50th Annual Meeting of the American Crystallographic Association, Pittsburgh | 1992 |
U.Pietsch, H.-J.Merle and H.Metzger "Kinetic Behaviour of a Structural Phase Transition in Langmuir-Blodgett Multilayers Studied by Energy Dispersive X-Ray Reflectivity" 12th General Conference of Condensed Matter Division of EPS, Prag | 1992 |
U.Pietsch (invited) "Static and Dynamical Valence Charge Properties in GaAs" X.Sagamore Conference , Konstanz | 1991 |
U.Pietsch "Depth Selective Real Structure Analysis of Semiconductor Superlattices Using Grazing Incidence X-Ray Diffraction" 2nd International Conference on Surface X-Ray and Neutron Scattering, Bad Honnef | 1991 |
U. Pietsch, J. Reiche and P. Fink: "Structural Refinement of a Langmuir-Blodgett Multilayer Measured by X-Ray Reflectivity" Third European Conference on Organized Organic Thin Film , Mainz | 1990 |
T. Baumbach, H.-G. Brühl, H. Rhan and U. Pietsch : "X-Ray Characterization of Semiconductor Heterostructures by Grazing Incidence Techniques" XII European Crystallographic Meeting, Moskau | 1989 |
U. Pietsch and H.-G. Brühl : "Determination of Lattice Distortions Around the Nitrogen Impurity in GaP" Tenth European Crystallographic Meeting, Wroclaw (VR Polen) | 1986 |
U. Pietsch : "Some Influences on the Thermal Expansion Coefficient of Covalently Bonded Materials" International Summer School on "Defects in Crystals", Szyrk (VR Polen) | 1985 |
U. Pietsch J. Mahlberg and K. Unger : "Investigation of Dynamical Bond Charge Transfer in GaAs Changing X-Ray Reflection Power under High Electric Field" RGW - Tagung "GaAs and Related Compounds" Reinhardsbrunn | 1984 |
U. Pietsch : (Poster) "Hydrostatic Pressure and Uniaxial Stress Dependence of the Silicon (222) X-Ray Reflection" XII Congress of the International Union of Crystallography, Hamburg | 1984 |