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Science Highlights

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Biological Sciences

Aquaporin Structure Elucidates Water Transport

Kinesin Action Crystallized in Two Key States

Zooming in on Ribosomes

First High-Resolution Structure for an Aquaporin

Key Domain in HIV-1 Gene Shows Unexpected Flexibility

IR Spectra Show Dioxin-Induced Changes in Living Cells

Enzyme Structure Provides Clues to DNA Transcription Details

Structure of a Key Link in the Respiratory Chain

Bacteriorhodopsin: Pumping Ions

Solving the Ribosome Puzzle

Clathrin Structure Reveals Motifs for Self-Assembly

First Protein Structure of a Key Molecular Engine

Structural Genomics of M. Jannaschii

Biomolecular Studies with Circularly Polarized Light

Biologists Confirm Existence of New Cell Structures

 
Polymers and Soft Matter

Crosslink Density of Superabsorbent Polymers

Vibronic Features in Polymer NEXAFS

Polymers in Confined Geometries

Dynamic Scattering of Coherent Soft X Rays

 
Atomic and Molecular Physics

Photoionization of Metastable Ions: First Absolute Measurement

Quantum Chaos in Helium

Gas-Phase Molecules Illuminated from Within

Spectra of Anionic Fragments Verify Shape Resonances

More Trouble for the Dipole Approximation

Symmetry Resolution Yields Evidence for Shape Resonance

Angle-Resolved 2-D Spectra Highlight Spin-Orbit Effects

Ethene Spectrum Measured at Fundamental Limits of Resolution

Doubly Excited Lithium

 
Chemical Dynamics

PFI-PEPICO Data Suggest Recalibration of Proton Affinities

Dynamics of Pentane and Propane Metathesis Reactions

The Inside Story on Oxygen

Fragmentation Studies Reveal Unusual Decay Channel

New View of Dissociation

Laser Photodissociation of Ozone

 
Instrumentation

Frequency Map Analysis Applied to ALS

Laser Time Slicing Promises Ultrafast Time Resolution

The ALS Fourier-Transform Soft X-Ray Spectrometer

Time-Resolved FTIR Spectroscopy at up to 5-Nanosecond Resolution Demonstrated

10-Micron Spot Size Achieved for High Spatial Resolution FTIR Spectromicroscopy

Elliptically Polarizing Undulator Model Completed

Femtosecond X Rays Generated at Beam Test Facility

Circular Polarization Generated on a Linear Undulator Beamline

MicroXPS on Beamline 7.3.1

Earth and Environmental Science

EXAFS from Hydrogen Atoms in Water

Unearthing the Structure of Humic Substances

Quantitative Zinc Speciation in Soils

Microbial Reduction of Hexavalent Chromium

High-Resolution X-Ray Images of Manganese-Eating Microbes

 
Semiconductors

Streak Camera Records Ultrafast Lattice Dynamics

A Step Toward Inexpensive, Efficient Solar Cells

Spectromicroscopy Studies of Silicon/Titanium Systems

Fluorescence Microprobe Aids Development of Blue LEDs

Femtosecond Structural Dynamics Observed in Semiconductor Crystals

 
Magnetism

Standing Waves Probe Nanowedge Interfaces

Modified Magnetism at Buried Interfaces

Antiferromagnetic Spin Reorientation

PEEM2 Reveals Spin Alignment in Magnetic Layers

First X-Ray Microscope Images with Clear Antiferromagnetic Contrast

Quantum Well States in Copper Thin Films

X-Ray Resonant Scattering from Magnetic Multilayers

Quantum Interference Observed in Thin Films

Magnetic Phase Transitions Probed with Spin-Polarized Photoelectron Diffraction

Fluorescence Study of Iron Silicide Multilayer

 
Optics

EUV Lithography Proof Is in the Printing

New Measurements of Scattering from Multilayer Mirrors

Sub-Micron Focus Achieved with Bendable Mirrors

 
Complex Materials

RIXS Technique Measures Hubbard Interaction

Role of Lattice Vibrations in Superconductivity

Electronic Structure of CMR Oxides

Electronic Structure of Quasicrystals

Charge Stripes in High-Temperature Superconductors

X-Ray Raman Scattering Establishes HTSC Energy Scales

Site-Selective Spectroscopy of Strontium Ruthenate with Soft X-Ray Emission

Experiment Verifies Quasi-Particle Model for Diamond

 
Surfaces and Interfaces

How Carbon Monoxide Adsorbs at Different Sites

Electron-Phonon Coupling at the Tungsten Surface

Surface Alloy Structure Determined Using Photoelectron Diffraction and Holography

Experiment Challenges Adsorption Assumptions

Photoelectron Diffraction in Crystalline Copper

 
ALS Events

Superbends at the ALS: A Perfect Fit

Synchrotron Radiation Turns the Big Five-O

First Light to Beamline 5.0

National Science Bowl Winners Participate in Experiments at ALS Beamlines

Installation of the W16 Wiggler