1. Crystallography 2. In 1669 Nicolaus Steno found angles between adjacent prism faces of quartz crystal (interfacial angle), to be 120 °.In 1780 Carangeot invented the…

Slide 1 Photonic Crystal Cavities with Reduced Wakefields Presenter: J.R. Cary †* † Tech-X Corporation; * University of Colorado in collaboration with T. Austin, C. Bauer,…

Slide 1 Software Tools for the Analysis of Z’ > 1 Structures A.L.Spek, Utrecht University, National Single Crystal Service Facility The Netherlands. BCA-Meeting, York,…

Materials in general The role of materials in every civilisation has always been substantial: The outstanding material has characterised each age (stone age, iron age, bronze…

Solving Impurity Structures Using Inelastic Neutron Scattering Quantum Magnetism - Pure systems - vacancies - bond impurities Conclusions Collin Broholm* Johns Hopkins University…

Software Tools for the Analysis of Z’ > 1 Structures A.L.Spek, Utrecht University, National Single Crystal Service Facility The Netherlands. BCA-Meeting, York, April…

Slide 1Towards Low Resolution Refinement Garib N Murshudov York Structural Laboratory Chemistry Department University of York Slide 2 Contents 1) Some of the projects 2)…

Slide 1 Pseudo translation and Twinning Slide 2 Crystal peculiarities Pseudo translation Twin Order-disorder Slide 3 Pseudo translation Real space Reciprocal space a b Distance…

Pseudo translation and Twinning Crystal peculiarities Pseudo translation Twin Order-disorder Pseudo translation Real space Reciprocal space a b Distance between spots: 1/a,…

Finite Temperature Spin Correlations in Quantum Magnets with a Spin Gap Quantum Magnets at T=0 From coherent singlet to paramagnet - Large gap : Coupled spin-1/2 dimers -…