CHRNS Science Highlights

2012

• Towards the elucidation of antiboitic resistance transfer in bacteria: structural studies of the Tral protein
• The role of electrostatic interactions in the local dynamics of biological and synthetic polyelectrolytes
• Powder neutron diffraction reveals new CO2 adsorption interactions in chabazite zeolites
• Activated dihydrogen bonding to a supported organometallic compound
• Spin-orbital short-range order on a honeycomb-based lattice
• Common origin of the two types of magnetic excitations in iron chalcogenide superconductors
• Self-assembling organohydrogels: liquid dispersions with solid-like behavior
• Thickness fluctuations in model membranes
• Electrochemical Small-Angle Neutron Scattering (eSANS) for studies of nanoparticle redox reactions
• Identifying the shape of copper-seamed nanocapsules in solution
• Characterizing dense polymer-nanoparticle mixtures by neutron scattering

2011

• Spin liquid state in the S = 1/2 triangular lattice Ba3CuSb2O9
• Interstitial iron tuning of the spin fluctuations in Fe1+xTe
• SANS and modeling reveal changes in flexibility of a protein important for DNA replication
• Nano-void volume linked to sensitivity of RDX explosive
• Density hysteresis in nanoconfined water
• Cholesterol transport rates in model membranes
• Neutron scattering techniques shed new light on gel formation
• Interlayer distance dependence of thickness fluctuations in a swollen lamellar phase
• Detection of dynamical transitions in hydrogenous materials by transmission of very cold neutrons
• Uniformity of a large cross section neutron spin analyzer for SANS polarization analysis

2010

• Core-shell magnetic morphology of magnetite nanoparticles
• Electric field control of magnetization in multiferroic HoMnO3: the importance of magnetic domains
• Frustrated magnetism and superconductivity in Fe1+ySe0.4Te0.6
• How does the stiffness of lipid vesicles change as they interact with pore-forming peptides?
• Bilayer membrane dynamics in NSAID-phospholipid adducts
• "Molecular headphones", SANS and MD modeling of protein denaturing
• Multiple filling of voids improves thermoelectric efficiency of skutterudites
• Observation of thickness fluctuations in surfactant membranes
• Neutron transmission measurements of concentration profiles in non-homogeneous shear flows

2009

• How Does Cardiac Myosin Binding Protein C Help to Maintain a Healthy Heart Beat?
• Control of Protein Structure and Function by Hydrodynamic Shear
• Water Dynamics in Hydrophobic Confinement
• Toward an Improved Understanding of Hydrogen Interactions with Coordinated Metals
• Molecular Mobility and Ion Transport in Solid Polymer Electrolytes For Lithium Batteries
• Engineering Protein Electrophoresis With the Aid of SANS
• Dynamics and Structure of Semiflexible, Self-Assembled Peptide Chain Networks
• Dynamics of Biomembranes: Effects of Phospholipid Conformations and Presence of Local Anesthetics
• Probing the Interface of Bedrock and Soil Using Scattered Neutrons

2008

• Killing Cancer Cells with Magnetic Nanoparticles
• Quasi-free Methyl Rotation in Zeolitic Imidazolate Framework-8 (ZIF8)
• Investigating the Structural Mechanisms of Shear Banding Using Spatially-resolved Flow-SANS
• A Facile Route for Creating Reverse Vesicles in Organic Liquids
• Dispersions of Carbon Nanotubes in Polymers: Hierarchical Structure and Viscoelastic Properties
• Visualizing Nanoscale Magnetism in 3D with Polarized Neutrons

2007

• The Density Minimum in Deeply Supercooled Confined Water
• Bose-Einstein Condensate of Magnons in Coupled Spin Ladders
• Discovery of Zone Boundary Soft Modes in the Relaxor Ferroelectric PMN
• Hidden Order in URu2Si2
• Quantum Coherence in a Spin Chain
• The Nanoscale Building Blocks of Concrete
• Nanostructured Liquids from Disordered Surfactant melts Blended with Functional Homopolymers
• Glass Transition Behavior of Thin Film Miscible Binary Polymer-Polymer Blends
• Melting in Dehydrated Lipid Bilayers
• Revealing Light-Enhanced Protein Activity with Neutrons

2006

• Quantum Rotational Dynamics of Methane in the Metal-Organic Framework MOF5
• Counter-ion Dynamics and the Mechanical Properties of Fuel Cell Membranes
• A Two-Dimensional Magnetically Ordered Phase on a Geometrically Frustrated Lattice
• Field-Induced Order and Spin Waves in the Pyrochlore Antiferromagnet Tb2Ti2O7
• Resonance Mode in the Electron-Doped Superconducting Cuprate Pr.88LaCe.12CuO4
• Quasiparticle Breakdown in a Quantum Spin Liquid
• Shear-rate Dependent Structure of Polymer-stabilized TiO2 Dispersions
• Changes in Blood Protein Structure under Static and Hydrodynamic Shear Conditions
• Why are Double-Network Hydrogels So Tough?
• A Mechanism for the Onset of Bioactivity in Biomolecules
• The Dynamic Transition in RNA is Solvent-Induced
• Studying Intrinsically Disordered Proteins by Small-Angle Neutron Scattering

2005

• Pressure Dependence of Transitions in Supercooled, Confined Liquid Water
• Diffusion of Water on Zirconia Nanoparticles
• Phase Behavior and Local Dynamics of Concentrated Triblock Copolymer Micelles
• Rheo-SANS: Gap-Resolved SANS of Shear-induced Alignment of Wormlike Micelles
• Methyl Dynamics as a Probe of Protein Structure and Function
• Neutron Scattering Study of Spin Excitations in the Singlet Ground State of SrCu2(BO3)2
• Spin Chirality on a Two-dimensional Frustrated Lattice
• Inter-granular Giant Magnetoresistance in a Spontaneously Phase Separated Perovskite

2004

• Counterion Associative Behavior with Flexible Polyelectrolytes
• Anomalous Hydration Water Dynamics at a Hydrophobic Protein Interface
• Fragile-to-Strong Liquid Transition in Deeply Supercooled Confined Water
• Neutron Spin Echo Study of a Diluted "Spin-Ice"
• Ordering and Spin Waves in NaNiO2: A Stacked Quantum Ferromagnet
• Energetics of Membrane Fusion
• Stabilizing Highly Immiscible Polymer Blends

2003

• Fast Dynamics in Stabilization of Proteins
• Bio-Membrane Flexibility Studied in the Presence of Cholesterol and Salt
• Dynamics of Glucose Solutions
• ATP-Induced Shape Change in a Model Protein Complexed in Chaperonins
• Biomaterials Constructed Via Designed Molecular Self-Assembly
• Scattering Studies of the Structure of Colloid-Polymer Suspensions and Gels
• Spinons, Solitons, and Breathers in Spin-1/2 Chains
• Multicriticality in the Bragg-Glass Transition

2002

• Performance Enhancements of the CHRNS 30-m SANS Instrument
• Scaling of Membrane Phase Dynamics
• Observation of Liquid-Glass-Liquid and Glass-Glass Transitions in the L64/D₂O Copolymer Micellar System
• Magnetic Cluster Sizes in Magnetic Recording Disks
• Emergent Excitations in a Geometrically Frustrated Magnet
• Probing Nanoscale Disorder with Neutron Tunneling Spectroscopy

2001

• Ferromagnetism and Spontaneous Vortex Formation in Superconducting ErNi₂B₂C
• Pressure-Induced Phase Transition in Surfactant Micelles
• Haldane Quantum Spin-1 Chain in a Magnetic Field
• Structure of Local Spin Excitations in a Geometrically Frustrated Antiferromagnet
• Probing the Structure of Aerosol Nanodroplets
• Nanoporous Ultra-Low Dielectric Constant Materials
• Native and Partially Unfolded Proteins: Neutron Inelastic Scattering and Simulations
• Atomic Motions in Confined Polymer Films

2000

• Direct Observation of Superheating and Supercooling of Vortex Matter
• Magnetic Correlations in a d-Electron Heavy Fermion: LiV₂O₄
• Crosslinked Micellar Gel: A Promising New Material for Environmental Remediation and Controlled Drug Delivery

Last modified 24-January-2013 by website owner: NCNR (attn: John Copley)