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Research Output 1900 2019

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2011
44 Citations (Scopus)

X-ray diffraction from Membrane protein nanocrystals

Hunter, M. S., DePonte, D. P., Shapiro, D. A., Kirian, R., Wang, X., Starodub, D., Marchesini, S., Weierstall, U., Doak, R. B., Spence, J. & Fromme, P., Jan 5 2011, In : Biophysical Journal. 100, 1, p. 198-206 9 p.

Research output: Contribution to journalArticle

X-Ray Diffraction
Nanoparticles
Membrane Proteins
X-Rays
Electrons
2010
9 Citations (Scopus)

A coherent photofield electron source for fast diffractive and point-projection imaging

Spence, J., Vecchione, T. & Weierstall, U., Dec 14 2010, In : Philosophical Magazine. 90, 35-36, p. 4691-4702 12 p.

Research output: Contribution to journalArticle

electron sources
emitters
projection
electron emission
lasers
46 Citations (Scopus)

Beyond small-angle x-ray scattering: Exploiting angular correlations

Saldin, D. K., Poon, H. C., Shneerson, V. L., Howells, M., Chapman, H. N., Kirian, R., Schmidt, K. & Spence, J., May 7 2010, In : Physical Review B - Condensed Matter and Materials Physics. 81, 17, 174105.

Research output: Contribution to journalArticle

x ray scattering
angular correlation
Scattering
X rays
Molecules
3 Citations (Scopus)

Combined structure-factor phase measurement and theoretical calculations for mapping of chemical bonds in GaN

Jiang, B., Zuo, J. M., Holec, D., Humphreys, C. J., Spackman, M. & Spence, J., 2010, In : Acta Crystallographica Section A: Foundations of Crystallography. 66, 4, p. 446-450 5 p.

Research output: Contribution to journalArticle

Gallium nitride
Phase measurement
Chemical bonds
gallium nitrides
chemical bonds
31 Citations (Scopus)

Design of an electron microscope phase plate using a focused continuous-wave laser

Müller, H., Jin, J., Danev, R., Spence, J., Padmore, H. & Glaeser, R. M., Jul 12 2010, In : New Journal of Physics. 12, 073011.

Research output: Contribution to journalArticle

continuous wave lasers
electron microscopes
lasers
molecular physics
atomic physics
10 Citations (Scopus)

Electronic ionization induced atom migration in spinel MgAl 2O4

Jiang, N. & Spence, J., Aug 2010, In : Journal of Nuclear Materials. 403, 1-3, p. 147-151 5 p.

Research output: Contribution to journalArticle

Electron irradiation
electron irradiation
Ionization
spinel
ionization
152 Citations (Scopus)

Femtosecond protein nanocrystallography- Data analysis methods

Kirian, R., Wang, X., Weierstall, U., Schmidt, K., Spence, J., Hunter, M., Fromme, P., White, T., Chapman, H. N. & Holton, J., Mar 15 2010, In : Optics Express. 18, 6, p. 5713-5723 11 p.

Research output: Contribution to journalArticle

nanocrystals
proteins
shot
pulses
radiation damage
17 Citations (Scopus)

Liquid capillary micro/nanojets in free-jet expansion

Gañán-Calvo, A. M., DePonte, D. P., Herrada, M. A., Spence, J., Weierstall, U. & Doak, R. B., Apr 9 2010, In : Small. 6, 7, p. 822-824 3 p.

Research output: Contribution to journalArticle

Vacuum
Discharge (fluid mechanics)
Gases
Capillary tubes
Liquids
5 Citations (Scopus)

On the formation of Na nanoparticles in femtosecond-laser irradiated glasses

Jiang, N., Su, D., Qiu, J. & Spence, J., 2010, In : Journal of Applied Physics. 107, 6, 064301.

Research output: Contribution to journalArticle

glass lasers
nanoparticles
glass
high energy electrons
lasers
4 Citations (Scopus)

On the measurement of thickness in nanoporous materials by EELS

Jiang, N., Su, D. & Spence, J., Dec 2010, In : Ultramicroscopy. 111, 1, p. 62-65 4 p.

Research output: Contribution to journalArticle

Inelastic scattering
Thickness measurement
Electron energy loss spectroscopy
mean free path
inelastic scattering
21 Citations (Scopus)
Nanotubes
Diffraction patterns
Carrier concentration
diffraction patterns
Electrons
45 Citations (Scopus)

Structure of a single particle from scattering by many particles randomly oriented about an axis: Toward structure solution without crystallization?

Saldin, D. K., Shneerson, V. L., Howells, M. R., Marchesini, S., Chapman, H. N., Bogan, M., Shapiro, D., Kirian, R., Weierstall, U., Schmidt, K. & Spence, J., Mar 31 2010, In : New Journal of Physics. 12, 035014.

Research output: Contribution to journalArticle

crystallization
angular correlation
diffraction patterns
scattering
2009
275 Citations (Scopus)

An assessment of the resolution limitation due to radiation-damage in X-ray diffraction microscopy

Howells, M. R., Beetz, T., Chapman, H. N., Cui, C., Holton, J. M., Jacobsen, C. J., Kirz, J., Lima, E., Marchesini, S., Miao, H., Sayre, D., Shapiro, D. A., Spence, J. & Starodub, D., Mar 2009, In : Journal of Electron Spectroscopy and Related Phenomena. 170, 1-3, p. 4-12 9 p.

Research output: Contribution to journalArticle

Radiation damage
radiation damage
Microscopic examination
microscopy
X ray diffraction
1 Citation (Scopus)

Electron diffraction from liquids jets in TEM

Deponte, D. P., McKeown, J. T., Hunter, M., Doak, R. B., Weierstall, U. & Spence, J., Jul 2009, In : Microscopy and Microanalysis. 15, SUPPL. 2, p. 762-763 2 p.

Research output: Contribution to journalArticle

Electron diffraction
electron diffraction
Transmission electron microscopy
transmission electron microscopy
Liquids
1 Citation (Scopus)

Interpretation of O K-edge EELS in zircon using a structural variation approach

Jiang, N. & Spence, J., Jan 2009, In : Ultramicroscopy. 110, 1, p. 89-93 5 p.

Research output: Contribution to journalArticle

Zircon
Electron energy loss spectroscopy
energy dissipation
electron energy
spectroscopy
4 Citations (Scopus)

Microstructures induced by femtosecond laser pulses inside glasses

Su, D., Jiang, N., Qiu, J. & Spence, J., Jun 2009, In : Journal of Materials Research. 24, 6, p. 1983-1988 6 p.

Research output: Contribution to journalArticle

Ultrashort pulses
calcium oxides
Lime
Glass
microstructure

Nanocrystal structure determination by kinematic convergent-beam electron diffraction

McKeown, J. T. & Spence, J., Jul 2009, In : Microscopy and Microanalysis. 15, SUPPL. 2, p. 758-759 2 p.

Research output: Contribution to journalArticle

Electron diffraction
Nanocrystals
nanocrystals
Kinematics
kinematics

Nanoparticles and nanopores induced by high-energy electron irradiation

Jiang, N., Su, D. & Spence, J., Jul 2009, In : Microscopy and Microanalysis. 15, SUPPL. 2, p. 140-141 2 p.

Research output: Contribution to journalArticle

Nanopores
Electron irradiation
electron irradiation
high energy electrons
Nanoparticles
10 Citations (Scopus)

Radiation damage in zircon by high-energy electron beams

Jiang, N. & Spence, J., 2009, In : Journal of Applied Physics. 105, 12, 123517.

Research output: Contribution to journalArticle

radiation damage
high energy electrons
electron beams
damage
electron irradiation
30 Citations (Scopus)

SEM imaging of liquid jets

DePonte, D. P., Doak, R. B., Hunter, M., Liu, Z., Weierstall, U. & Spence, J., Jun 2009, In : Micron. 40, 4, p. 507-509 3 p.

Research output: Contribution to journalArticle

Electrons
Ink
Water
Vacuum
Aerosols
6 Citations (Scopus)

The kinematic convergent-beam electron diffraction method for nanocrystal structure determination

McKeown, J. T. & Spence, J., 2009, In : Journal of Applied Physics. 106, 7, 074309.

Research output: Contribution to journalArticle

nanocrystals
kinematics
electron diffraction
precession
atomic structure
6 Citations (Scopus)

Valence electron energy-loss spectroscopy of nanoporous MgO

Jiang, N., Su, D., Spence, J. & Howie, A., 2009, In : Applied Physics Letters. 94, 25, 253105.

Research output: Contribution to journalArticle

energy dissipation
electron energy
valence
spectroscopy
porosity
11 Citations (Scopus)

Volume plasmon of bismuth nanoparticles

Jiang, N., Su, D., Spence, J., Zhou, S. & Qiu, J., Jan 2009, In : Solid State Communications. 149, 3-4, p. 111-114 4 p.

Research output: Contribution to journalArticle

Bismuth
Quantum confinement
Electron energy loss spectroscopy
blue shift
bismuth
2008
3 Citations (Scopus)

Comparison of Mg L23 edges in MgO and Mg(OH)2-Importance of medium-range structure

Jiang, N., Su, D. & Spence, J., Dec 2008, In : Ultramicroscopy. 109, 1, p. 122-128 7 p.

Research output: Contribution to journalArticle

Energy dissipation
Electrons
energy dissipation
fine structure
electron energy
9 Citations (Scopus)

Diffract-and-destroy: Can X-ray lasers "solve" the radiation damage problem?

Spence, J. & Hawkes, P. W., Nov 2008, In : Ultramicroscopy. 108, 12, p. 1502-1503 2 p.

Research output: Contribution to journalArticle

X ray lasers
radiation injuries
Radiation Injuries
Radiation damage
radiation damage
53 Citations (Scopus)

Droplet streams for serial crystallography of proteins

Weierstall, U., Doak, R. B., Spence, J., Starodub, D., Shapiro, D., Kennedy, P., Warner, J., Hembree, G. G., Fromme, P. & Chapman, H. N., May 2008, In : Experiments in Fluids. 44, 5, p. 675-689 15 p.

Research output: Contribution to journalArticle

Crystallography
crystallography
proteins
Proteins
shrinkage
6 Citations (Scopus)

Electron energy loss spectroscopy of Na in Na, Na2O, and silicate glasses

Jiang, N., Su, D., Spence, J., Zhou, S. & Qiu, J., Sep 2008, In : Journal of Materials Research. 23, 9, p. 2467-2471 5 p.

Research output: Contribution to journalArticle

Silicates
Electron energy loss spectroscopy
silicates
energy dissipation
electron energy
258 Citations (Scopus)

Gas dynamic virtual nozzle for generation of microscopic droplet streams

DePonte, D. P., Weierstall, U., Schmidt, K., Warner, J., Starodub, D., Spence, J. & Doak, R. B., Oct 7 2008, In : Journal of Physics D: Applied Physics. 41, 19, 195505.

Research output: Contribution to journalArticle

Gas dynamics
gas dynamics
nozzles
plugging
Nozzles
123 Citations (Scopus)

Massively parallel X-ray holography

Marchesini, S., Boutet, S., Sakdinawat, A. E., Bogan, M. J., Bajt, S., Barty, A., Chapman, H. N., Frank, M., Hau-Riege, S. P., Szöke, A., Cui, C., Shapiro, D. A., Howells, M. R., Spence, J., Shaevitz, J. W., Lee, J. Y., Hajdu, J. & Seibert, M. M., Sep 2008, In : Nature Photonics. 2, 9, p. 560-563 4 p.

Research output: Contribution to journalArticle

X ray lasers
Free electron lasers
Holography
holography
Fourier transforms
3 Citations (Scopus)

Observation of long-range compositional fluctuations in glasses: Implications for atomic and electronic structure

Jiang, N., Qiu, J., Humphreys, C. J. & Spence, J., Aug 2008, In : Micron. 39, 6, p. 698-702 5 p.

Research output: Contribution to journalArticle

Crystal atomic structure
Multiple scattering
atomic structure
Stoichiometry
Electronic structure
16 Citations (Scopus)

On the dehydration mechanism of Mg (OH) 2 by a high-energy electron beam

Su, D., Jiang, N., Spence, J., He, F. & Petuskey, W., 2008, In : Journal of Applied Physics. 104, 6, 063514.

Research output: Contribution to journalArticle

dehydration
high energy electrons
electron beams
energy dissipation
electron irradiation

Particle swarm optimization of iterative phase retrieval algorithms for ultrafast coherent diffractive imaging

Masiel, D. J., Gipson, B., Morgan, D. G., Spence, J. & Browning, N. D., Aug 2008, In : Microscopy and Microanalysis. 14, SUPPL. 2, p. 504-505 2 p.

Research output: Contribution to journalArticle

38 Citations (Scopus)

Powder diffraction from a continuous microjet of submicrometer protein crystals

Shapiro, D. A., Chapman, H. N., DePonte, D., Doak, R. B., Fromme, P., Hembree, G., Hunter, M., Marchesini, S., Schmidt, K., Spence, J., Starodub, D. & Weierstall, U., Oct 3 2008, In : Journal of Synchrotron Radiation. 15, 6, p. 593-599 7 p.

Research output: Contribution to journalArticle

proteins
Proteins
Crystals
diffraction
crystals
71 Citations (Scopus)

Three-dimensional coherent x-ray diffraction imaging of a ceramic nanofoam: Determination of structural deformation mechanisms

Barty, A., Marchesini, S., Chapman, H. N., Cui, C., Howells, M. R., Shapiro, D. A., Minor, A. M., Spence, J., Weierstall, U., Ilavsky, J., Noy, A., Hau-Riege, S. P., Artyukhin, A. B., Baumann, T., Willey, T., Stolken, J., Van Buuren, T. & Kinney, J. H., Jul 28 2008, In : Physical Review Letters. 101, 5, 055501.

Research output: Contribution to journalArticle

tantalum oxides
high strength
x ray diffraction
fragments
mechanical properties
26 Citations (Scopus)

Tomographic femtosecond X-ray diffractive imaging

Schmidt, K., Spence, J., Weierstall, U., Kirian, R., Wang, X., Starodub, D., Chapman, H. N., Howells, M. R. & Doak, R. B., Sep 12 2008, In : Physical Review Letters. 101, 11, 115507.

Research output: Contribution to journalArticle

projection
autocorrelation
density distribution
x ray diffraction
x rays
5 Citations (Scopus)
Charge density
Multiple scattering
X-Rays
Electrons
inversions
12 Citations (Scopus)

X-ray imaging: Ultrafast diffract-and-destroy movies

Spence, J., Jul 2008, In : Nature Photonics. 2, 7, p. 390-391 2 p.

Research output: Contribution to journalArticle

Imaging techniques
X rays
x rays
2007
38 Citations (Scopus)

Determination of Ti coordination from pre-edge peaks in Ti K -edge XANES

Jiang, N., Su, D. & Spence, J., Dec 26 2007, In : Physical Review B - Condensed Matter and Materials Physics. 76, 21, 214117.

Research output: Contribution to journalArticle

Bond length
Crystals
amorphous materials
symmetry
rutile
29 Citations (Scopus)

Dose, exposure time and resolution in serial X-ray crystallography

Starodub, D., Rez, P., Hembree, G., Howells, M., Shapiro, D., Chapman, H. N., Fromme, P., Schmidt, K., Weierstall, U., Doak, R. B. & Spence, J., Dec 18 2007, In : Journal of Synchrotron Radiation. 15, 1, p. 62-73 12 p.

Research output: Contribution to journalArticle

X ray crystallography
crystallography
Proteins
X rays
dosage
2 Citations (Scopus)

Electron energy-loss spectroscopy in irradiation-sensitive rutile-GeO2

Jiang, N. & Spence, J., Sep 15 2007, In : Journal of Non-Crystalline Solids. 353, 29, p. 2813-2816 4 p.

Research output: Contribution to journalArticle

Electron energy loss spectroscopy
rutile
Electron beams
energy dissipation
Irradiation
6 Citations (Scopus)

Imaging technology: Harmonic pictures in a flash

Spence, J., Oct 4 2007, In : Nature. 449, 7162, p. 553-554 2 p.

Research output: Contribution to journalArticle

Computer-Assisted Image Processing
Lasers
Technology
18 Citations (Scopus)

Precipitation of nanocrystals in glasses by electron irradiation: An alternative path to form glass ceramics?

Jiang, N., Wu, B., Qiu, J. & Spence, J., 2007, In : Applied Physics Letters. 90, 16, 161909.

Research output: Contribution to journalArticle

electron irradiation
nanocrystals
ceramics
nanoparticles
glass
9 Citations (Scopus)

Sodium reconstruction on surface of silicate glasses in transmission electron microscope

Jiang, N., Su, D. & Spence, J., 2007, In : Applied Physics Letters. 91, 23, 231906.

Research output: Contribution to journalArticle

silicates
electron microscopes
sodium
glass
elimination
2006
26 Citations (Scopus)

50 Years of TEM of dislocations: Past, present and future

Hirsch, P., Cockayne, D., Spence, J. & Whelan, M., Oct 11 2006, In : Philosophical Magazine. 86, 29-31, p. 4519-4528 10 p.

Research output: Contribution to journalArticle

transmission electron microscopy
microscopes
arrivals
foils
penetration

Aberration-free imaging by coherent diffractive imaging

Wu, J. S., Spence, J. & Weierstall, U., Aug 2006, In : Microscopy and Microanalysis. 12, SUPPL. 2, p. 1464-1465 2 p.

Research output: Contribution to journalArticle

Aberrations
aberration
Imaging techniques
60 Citations (Scopus)

Ab initio phasing of X-ray powder diffraction patterns by charge flipping

Wu, J., Leinenweber, K., Spence, J. & O'Keeffe, M., Aug 21 2006, In : Nature Materials. 5, 8, p. 647-652 6 p.

Research output: Contribution to journalArticle

X ray powder diffraction
Diffraction patterns
diffraction patterns
iteration
x rays
36 Citations (Scopus)

Absorption spectroscopy with sub-angstrom beams: ELS in STEM

Spence, J., Mar 1 2006, In : Reports on Progress in Physics. 69, 3, p. 725-758 34 p.

Research output: Contribution to journalArticle

absorption spectroscopy
spatial resolution
energy dissipation
electron energy
spectroscopy

Analysis of nano-scale strain near shallow trench isolation structures by energy-filtered convergent beam electron diffraction

Zhang, P., Mardinly, J., Karpenko, O., Istratov, A., He, H., Ager, J., Nelson, C., Stach, E., Kisielowski, C., Weber, E. & Spence, J., Aug 2006, In : Microscopy and Microanalysis. 12, SUPPL. 2, p. 938-939 2 p.

Research output: Contribution to journalArticle

Electron diffraction
isolation
electron diffraction
energy

Background intensity problems in high resolution defect imaging

Howie, A., Jiang, N., Spence, J. & Wu, J., Aug 2006, In : Microscopy and Microanalysis. 12, SUPPL. 2, p. 900-901 2 p.

Research output: Contribution to journalArticle

Imaging techniques
Defects
high resolution
defects

Can electron energy-loss spectroscopy measure the local structure of germanate glasses?

Jiang, N. & Spence, J., Aug 2006, In : Microscopy and Microanalysis. 12, SUPPL. 2, p. 1152-1153 2 p.

Research output: Contribution to journalArticle

Electron energy loss spectroscopy
energy dissipation
electron energy
Glass
glass