APS Science Contacts
A partial list of APS staff and resident users with self-identified areas of expertise. Follow the link on a name to see contact information for that person, as well as their other areas of expertise and beamlines they work at regularly. Acronyms are defined at the end of the list.
- To be removed from this listing, write to Linda Carlson.
- To revise an individual's information, print the person's page, mark corrections, and fax to the User Office at 630-252-9250.
- To be added to the directory, please submit this form.
| Expertise | Contact |
|---|---|
| 2D diffraction | Jonathan Almer, Dean Haeffner |
| 3D x-ray diffraction microscopy | Ulrich Lienert, Paul Zshack |
| ab initio, semi empirical and molecular dynamics calculations | Serkan Erdin |
| alignment and survey | Hawoong Hong |
| anomalous small-angle x-ray scattering | Pete Jemian, Sonke Seifert, Randall Winans |
| anomalous ultra-small-angle x-ray scattering | Pete Jemian |
| beamline and beamline components design | Deming Shu |
| beamline controls | Pete Jemian |
| biomaterials | Diego Casa, Francesco deCarlo, Barry Lai, Stefan Vogt |
| biophysics | Ercan Alp, Wolfgang Sturhahn |
| bulk metallic glasses | Jonathan Almer |
| carbonaceous materials | Randall Winans |
| catalysis | Klaus Attenkofer |
| catalysis, heterogeneous | Peter Chupas |
| CCD detectors | Hawoong Hong, Frank J. Rotella |
| cell biology | Barry Lai |
| choice of anomalous scatterers for crystallographic experiments | Andrew Howard |
| coatings | Jonathan Almer, Jan Ilavsky |
| coherent Bragg rod analysis (COBRA) | Donald Walko |
| coherent diffraction | Qun Shen |
| coherent imaging | Qun Shen |
| colloids | Alec Sandy |
| computation | Michel van Veenendaal |
| condensed matter | Mahaling Balasubramanian |
| condensed matter physics | Jiyong Zhao |
| correlated electron systems | Yuri Shvydko |
| cryo sample prep (plunge freezing) | Stefan Vogt |
| crystallography | Peter Lee |
| cuprates | Thomas Gog |
| data collection | Stephen I. Foundling |
| diffraction anomalous fine structure (DAFS) | Julie O. Cross |
| diffraction imaging | Jonathan Lang |
| diffuse scattering | Zahirul Islam, Peter Lee, Andrei Tkachuk, Paul Zshack |
| diffuse scattering (up to 800*C) | Julie O. Cross |
| dynamical diffraction | Thomas Gog |
| dynamical diffraction theory | Sergey Stepanov |
| electron spectroscopy | Richard Rosenberg |
| electrochemistry | Mahaling Balasubramanian |
| EPICS | Pete Jemian |
| EXAFS | Steve Heald |
| EXAFS on thin films | Julie O. Cross |
| femtosecond laser optics | Eric Lindahl |
| ferroelectrics | Yong Chu, Thomas Gog |
| ferromagnetic semiconductors | David Keavney |
| fit2d--using fit2d and writing fit2d macros | Steven Weigand |
| fluctuations in binary fluids | Eric Dufresne |
| fuel spray dynamics | Jin Wang |
| full-field x-ray imaging | Kamel Fezzaa, Wah-Keat Lee |
| full-field diffraction imaging | Andrei Tkachuk |
| geophysics | Wolfgang Sturhahn, Jiyong Zhao |
| grain and subgrain mechanical behavior | Ulrich Lienert |
| grazing incidence x-ray diffraction | Ivan Kuzmenko, Sergey Stepanov |
| grazing-incidence small-angle x-ray scattering (GISAXS) | Jan Ilavsky, Ivan Kuzmenko, Byeongdu Lee, Suresh Narayanan, Sonke Seifert, Jin Wang |
| grazing-incidence small-angle x-ray scattering (GISAXS) on metal supported metal clusters | Randall Winans |
| hard x-ray fluorescence microprobe | Martin Holt, Barry Lai, Jörg Maser, Stefan Vogt |
| hard x-ray microscopy | Stefan Vogt |
| high-energy diffraction | Ulrich Lienert |
| high-energy diffuse scattering | Dean Haeffner |
| high-energy microdiffraction | Ulrich Lienert |
| high-energy microfocusing | Jonathan Almer |
| high-energy optics | Ulrich Lienert |
| high-energy x-ray scattering | Jonathan Almer, Peter Chupas, Dean Haeffner |
| high-energy-resolution measurements | Thomas Toellner |
| high pressure | Guoyin Shen, Wolfgang Sturhahn |
| high-pressure dynamics | Ahmet Alatas |
| high-pressure magnetism | Ercan Alp |
| high-pressure measurements | Jiyong Zhao |
| high-pressure XMCD | Jonathan Lang |
| high-precision positioning instruments design | Deming Shu |
| high-resolution x-ray optics | Wolfgang Sturhahn |
| high-Tc cuprates | Zahirul Islam |
| high-temperature measurements | Jiyong Zhao |
| holography | Thomas Gog |
| inelastic scattering | Dohn Arms, Diego Casa |
| inelastic scattering (non-resonant Raman) | Julie O. Cross |
| inelastic x-ray scattering, high energy resolution (HERIX) | Ahmet Alatas, Ercan Alp |
| inelastic x-ray scattering, medium energy resolution (MERIX) | Yuri Shvydko |
| insect and small animal physiology | Wah-Keat Lee |
| in situ studies of biological and chemical systems | Sonke Seifert |
| instrumentation | Dohn Arms, Dale Brewe |
| interfacial magnetism | John Freeland |
| interface/surface scattering | Zhan Zhang |
| Langmuir films | Ivan Kuzmenko |
| laser-excited scattering by magnetic materials | Eric Lindahl |
| laser-pump/x-ray probe | Dale Brewe |
| laser technology and safety issues | Reinhard Pahl |
| Linux command scripts | Steven Weigand |
| liquid surfaces | Michael Sprung |
| lithographic structures | Diego Casa |
| local density approximation | Roland Winkler |
| lock-in techniques | Daniel Haskel |
| macromolecular crystallographic data processing | Andrew Howard |
| macromolecular crystallographic experimental design | Andrew Howard |
| macrostrains | Jonathan Almer |
| MAD phasing | Ward Smith |
| magnetic DAFS | Daniel Haskel |
| magnetic multilayers and films | George Srajer |
| magnetic reflectivity | Daniel Haskel |
| magnetic scattering | Sergey Stepanov |
| magnetic scattering/polarization analysis | Zahirul Islam |
| magnetic structures/coupling/interplay | Daniel Haskel |
| magnetic XAFS | Daniel Haskel |
| magnetism | Dale Brewe, Serkan Erdin, Roland Winkler |
| manganites | John Freeland |
| many-body systems | Michel van Veenendaal |
| Matlab programming | Zhan Zhang |
| mechanical design | Hawoong Hong |
| melting | Dale Brewe |
| metamagnetism | Zahirul Islam |
| micro-EXAFS/XANES | Steve Heald |
| microbiology | Barry Lai |
| microdiffraction | Zhonghou Cai, Yong Chu, Guoyin Shen, Andrei Tkachuk |
| microprobe fluorescence and XANES for cell biology | Julie O. Cross |
| microprobe fluorescence imaging | Steve Heald |
| mineral-water interfaces | Zhan Zhang |
| molecular environmental science | Bruce Bunker |
| molecular magnets | Nadia Leyarovska |
| multilayer zone plates | Jörg Maser |
| nanodots | Klaus Attenkofer, Zhonghou Cai |
| nanofluid flow | Kamel Fezzaa |
| nano- and biomaterials | Qun Shen |
| nanomaterials | Ian McNulty |
| nanoparticles, catalysis | Bruce Bunker |
| nanoparticle growth | Yang Ren |
| nanoporous materials | Byeongdu Lee |
| nanoscale science | Keun Hyuk "Ken" Ahn, Martin Holt, Jörg Maser |
| nanostructures | Richard Rosenberg |
| nanotubes | Diego Casa, Thomas Gog |
| neutron powder diffraction | Frank J. Rotella |
| new detectors | Eric Dufresne |
| non-linear optics | Bernhard Adams |
| nuclear resonant inelastic x-ray scattering (NRIXS) | Wolfgang Sturhahn, Jiyong Zhao |
| nuclear resonant scattering | Ercan Alp, Wolfgang Sturhahn, Thomas Toellner |
| organismal biology | Jake Socha |
| organic-inorganic composites | Byeongdu Lee |
| PDF analysis | Peter Chupas, Peter Lee, Sarvjit Shastri |
| PEEM (photoemission electron microscopy) | David Keavney |
| Perl programming | Steven Weigand |
| phase-change dynamics | Dale Brewe |
| phase transitions | Dean Haeffner |
| phase transitions in nanomaterials | Yang Ren |
| phonons in solid He | Dohn Arms |
| polarization-dependent EXAFS | Julie O. Cross |
| polymer science | Alec Sandy |
| polymeric molecules | Byeongdu Lee |
| powder data analysis with GSAS | Robert Von Dreele |
| powder diffraction | Peter Lee, Carlo Segre, Brian Toby, Robert Von Dreele |
| protein crystal mounting for cryo-protection | Stephen I. Foundling |
| protein crystal mounting in capillaries | Stephen I. Foundling |
| protein crystallization | Stephen I. Foundling |
| protein crystallography | Ward Smith |
| protein crystallography data collection | John Chrzas |
| protein crystallography, time-resolved | Vukica Srajer |
| protein crystallography, Laue | Vukica Srajer |
| protein folding | Diego Casa |
| protein powder diffraction | Robert Von Dreele |
| Python programming | Steven Weigand |
| rapid 3D tomography | Francesco deCarlo |
| rare-earth intermetallic compounds | Zahirul Islam |
| rare-earth and 3d magnetism | Jonathan Lang |
| reflectivity | Julie Cross, John Freeland, Jan Ilavsky, David Keavney, Ivan Kuzmenko, Michael Sprung, George Srajer |
| reflectivity, reflection-mode XAFS | Bruce Bunker |
| reflectometry | Suresh Narayanan |
| relaxation processes | Klaus Attenkofer |
| respiratory physiology | Jake Socha |
| resonant inelastic x-ray scattering (RIXS) | Diego Casa, Thomas Gog |
| Rietveld refinement | Brian Toby, Robert Von Dreele |
| robotics for experimental stations | Deming Shu |
| sagittal focusing | John Chrzas |
| scattering from interface roughness | Sergey Stepanov |
| scattering theory | Dong Lee |
| self assembly | Klaus Attenkofer, Jin Wang |
| semiconductors | Yong Chu, Thomas Gog |
| semiconductor thin films | Zhonghou Cai |
| simultaneous SAXS/WAXS | Steven Weigand |
| single crystal diffraction | Andrei Tkachuk |
| single crystal inelastic x-ray scattering (IXS) | Ahmet Alatas |
| single grain diffraction | Ulrich Lienert |
| small-angle scattering | Jonathan Almer, Diego Casa, Jan Ilavsky, Pete Jemian, Alec Sandy, Sonke Seifert |
| small-angle x-ray scattering - in situ high temperature | Randall Winans |
| small-angle x-ray scattering - high energy | Jonathan Almer, Jan Ilavsky |
| small-angle x-ray scattering - polymers | Byeongdu Lee |
| small-angle x-ray scattering - solution scattering | Diego Casa |
| small-angle x-ray scattering - time resolved | Randall Winans |
| small-animal biomechanics | Jake Socha |
| soft matter physics | Suresh Narayanan |
| soft x-ray coherent diffraction | Ian McNulty |
| soft x-ray spectroscopy | Richard Rosenberg |
| solid/liquid interfaces | Ivan Kuzmenko |
| spec--using spec and writing spec macros | Steven Weigand |
| spin-polarized transport | Roland Winkler |
| strain | Zhonghou Cai |
| strain/stress in composite materials | Dean Haeffner |
| strain/stress measurements | Jonathan Almer |
| strain/stress and texture | Ulrich Lienert |
| strongly correlated electron systems | Diego Casa, Zahirul Islam |
| structural evolution | Dean Haeffner |
| structure-based drug design | Ward Smith |
| structure determination | Peter Lee, Robert von Dreele |
| superconductivity | Serkan Erdin |
| surface analysis | Richard Rosenberg |
| surface and thin-film x-ray diffraction | Donald Walko, Paul Zshack |
| surface science | Hawoong Hong |
| surface structure of liquids | Ivan Kuzmenko |
| surface x-ray scattering | Yong Chu, Donald Walko, Zhan Zhang, Paul Zshack, |
| synchrotron Mossbauer spectroscopy (SMS) | Ercan Alp, Wolfgang Sturhahn, Jiyong Zhao |
| texture measurements | Jonathan Almer |
| theoretical condensed matter physics | Keun Hyuk "Ken" Ahn, Michael Norman |
| theory | Michel van Veenendaal, Roland Winkler |
| theory for resonant inelastic x-ray scattering | Keun Hyuk "Ken" Ahn |
| theory of materials | Keun Hyuk "Ken" Ahn |
| theory of x-ray diffraction & scattering | Sergey Stepanov |
| thermal diffuse scattering | Hawoong Hong |
| thermal fluctuations in semiconductors | Eric Dufresne |
| thermoelectric materials | Paul Zshack |
| time-resolved spectroscopy | Klaus Attenkofer |
| time-resolved scattering | Klaus Attenkofer |
| time-resolved structural changes | Jan Ilavsky |
| time-resolved XAFS | Dale Brewe |
| time-resolved x-ray excited optical luminescence (XEOL) | Richard Rosenberg |
| time-resolved x-ray diffraction | Reinhard Pahl, Jin Wang |
| time-resolved x-ray imaging, radiography, tomography | Jin Wang |
| time-resolved x-ray scattering with ultrafast laser excitation | Eric Dufresne |
| tomography | Francesco deCarlo |
| topography | Yong Chu, Andrei Tkachuk |
| trace element analysis in biological samples | Stefan Vogt |
| ultra-small-angle scattering (USAXS) | Jan Ilavsky, Pete Jemian |
| ultra-fast scattering | Bernhard Adams, Eric Dufresne, Eric Landahl |
| ultra-fast spectroscopy | Bernhard Adams |
| vesicles in solution | Ivan Kuzmenko |
| vibration measurement and diagnosis | Deming Shu |
| x-ray beam position monitor design | Deming Shu |
| x-ray diffraction | Mahaling Balasubramanian, Julie Cross, Zahirul Islam, Dong Lee, Paul Zshack |
| x-ray diffraction for residual stress | Yong Chu |
| x-ray diffraction-enhanced imaging | Yong Chu |
| x-ray fluorescence mapping | Stefan Vogt |
| x-ray fluorescence microprobe | Matt Newville |
| x-ray microscopy and imaging | Barry Lai |
| x-ray monochromators and mirrors mechanism design | Deming Shu |
| x-ray optics | Eric Dufresne, Hawoong Hong, Sarvjit Shastri, Yuri Shvydko, Thomas Toellner |
| x-ray optics - crystals | Carlo Segre |
| x-ray optics development | Reinhard Pahl |
| x-ray powder diffraction | Frank J. Rotella |
| x-ray protein crystallography | Frank J. Rotella |
| x-ray Raman | Mahaling Balasubramanian |
| x-ray reflectivity | Yong Chu |
| x-ray reflectivity/standing waves | Jin Wang |
| x-ray scattering | Dong Lee, Nadia Leyarovska, Michel van Veenendaal |
| x-ray spectroscopy | Nadia Leyarovska, Carlo Segre |
| x-ray standing waves | Thomas Gog |
| XAFS (x-ray absorption fine structure) | Mahaling Balasubramanian, Bruce Bunker, Matt Newville |
| XMCD (x-ray magnetic circular dichroism) | John Freeland, Daniel Haskel, David Keavney, George Srajer, Michel van Veenendaal |
| XPCS (x-ray photon correlation spectroscopy) | Eric Dufresne, Suresh Narayanan, Alec Sandy, Michael Sprung |
| ASAXS | anomalous small-angle x-ray scattering |
| DAFS | diffraction anomalous fine structure |
| EXAFS | extended x-ray absorption fine structure |
| GISAXS | grazing incidence small-angle x-ray scattering |
| GIXD | grazing incidence x-ray diffraction |
| HERIX | high energy resolution inelastic x-ray scattering (1 meV) |
| IXS | inelastic x-ray scattering |
| MERIX | medium energy resolution inelastic x-ray scattering (100 meV) |
| NRIXS | nuclear resonant inelastic x-ray scattering |
| NRS | nuclear resonant scattering |
| PEEM | photoemission electron microscopy |
| RIXS | resonant inelastic x-ray scattering |
| SMS | synchrotron Mossbauer spectroscopy |
| USAXS | ultra-small-angle x-ray scattering |
| WAXS | wide-angle x-ray scattering |
| XAFS | x-ray absorption fine structure |
| XANES | x-ray absorption near edge structure |
| XEOL | x-ray excited optical luminescence |
| XMCD | x-ray magnetic circular dichroism |
| XPCS | x-ray photon correlation spectroscopy |
| XRD | x-ray diffraction |
Data collected late 2004 and summer 2005