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Research Output 1900 2019

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2006
28 Citations (Scopus)

Can near-edge structure of the Bi L3 edge determine the formal valence states of Bi?

Jiang, N. & Spence, J., Aug 30 2006, In : Journal of Physics Condensed Matter. 18, 34, p. 8029-8036 8 p., 014.

Research output: Contribution to journalArticle

valence
X rays
Bond length
Polymorphism
x ray absorption

Diffractive imaging of nanoparticles on a substrate.

Wu, J. S., Weierstall, U. & Spence, J., Oct 2006, In : Nature Materials. 5, 10, p. 837 1 p.

Research output: Contribution to journalArticle

Nanoparticles
Imaging techniques
nanoparticles
Substrates
65 Citations (Scopus)

Direct strain measurement in a 65 nm node strained silicon transistor by convergent-beam electron diffraction

Zhang, P., Istratov, A. A., Weber, E. R., Kisielowski, C., He, H., Nelson, C. & Spence, J., 2006, In : Applied Physics Letters. 89, 16, 161907.

Research output: Contribution to journalArticle

silicon transistors
strain measurement
electron diffraction
p-type semiconductors
silicon

Electronic spin-precession in magnetic nanostructures

Klein, C., Spence, J. & Schmid, A. K., Aug 2006, In : Microscopy and Microanalysis. 12, SUPPL. 2, p. 966-967 2 p.

Research output: Contribution to journalArticle

precession
Nanostructures
electronics
5 Citations (Scopus)

Experimental and theoretical improvements on understanding of the O K-edge of TeO2

Jiang, N., Jiang, B., Erni, R., Browning, N. D. & Spence, J., Jan 2006, In : Ultramicroscopy. 106, 2, p. 123-129 7 p.

Research output: Contribution to journalArticle

Monochromators
Electrons
monochromators
Oxides
Ground state
396 Citations (Scopus)

High-resolution ab initio three-dimensional x-ray diffraction microscopy

Chapman, H. N., Barty, A., Marchesini, S., Noy, A., Hau-Riege, S. P., Cui, C., Howells, M. R., Rosen, R., He, H., Spence, J., Weierstall, U., Beetz, T., Jacobsen, C. & Shapiro, D., 2006, In : Journal of the Optical Society of America A: Optics and Image Science, and Vision. 23, 5, p. 1179-1200 22 p.

Research output: Contribution to journalArticle

Microscopic examination
Diffraction
X rays
Imaging techniques
Wigglers
11 Citations (Scopus)

Imaging dislocation cores - The way forward

Spence, J., Kolar, H. R., Hembree, G., Humphreys, C. J., Barnard, J., Datta, R., Koch, C., Ross, F. M. & Justo, J. F., Oct 11 2006, In : Philosophical Magazine. 86, 29-31, p. 4781-4796 16 p.

Research output: Contribution to journalArticle

electron microscopes
ultrahigh vacuum
valleys
Dislocation
Imaging
34 Citations (Scopus)

Interpretation of oxygen K pre-edge peak in complex oxides

Jiang, N. & Spence, J., Feb 2006, In : Ultramicroscopy. 106, 3, p. 215-219 5 p.

Research output: Contribution to journalArticle

Radiation damage
Oxides
Absorption spectra
Energy dissipation
Spectroscopy
2 Citations (Scopus)

Monchromatic photo-field electron emission sources

Vecchione, T., Weierstall, U., Edgcombe, C. & Spence, J., Aug 2006, In : Microscopy and Microanalysis. 12, SUPPL. 2, p. 146-147 2 p.

Research output: Contribution to journalArticle

Electron emission
electron emission
field emission

Protein-doped droplet beams for laser-aligned serial crystallography

Weierstall, U., Spence, J., Doak, R. B. & Starodub, D., Aug 2006, In : Microscopy and Microanalysis. 12, SUPPL. 2, p. 244-245 2 p.

Research output: Contribution to journalArticle

Crystallography
crystallography
proteins
Proteins
Lasers
1 Citation (Scopus)

Using STEM image as a map for parallel beam electron diffraction from a nano-particle on a TEM-STEM system

He, H. & Spence, J., Aug 2006, In : Microscopy and Microanalysis. 12, SUPPL. 2, p. 584-585 2 p.

Research output: Contribution to journalArticle

Electron diffraction
electron diffraction
Transmission electron microscopy
transmission electron microscopy
2005
1 Citation (Scopus)
gadolinium
boron
energy dissipation
fine structure
sodium
17 Citations (Scopus)

Damped and thermal motion of laser-aligned hydrated macromolecule beams for diffraction.

Starodub, D., Doak, R. B., Schmidt, K., Weierstall, U., Wu, J. S., Spence, J., Howells, M., Marcus, M., Shapiro, D., Barty, A. & Chapman, H. N., Dec 22 2005, In : The Journal of Chemical Physics. 123, 24, p. 244304 1 p.

Research output: Contribution to journalArticle

Macromolecules
macromolecules
Damping
Diffraction
damping
50 Citations (Scopus)

Diffraction and imaging from a beam of laser-aligned proteins: Resolution limits

Spence, J., Schmidt, K., Wu, J. S., Hembree, G., Weierstall, U., Doak, B. & Fromme, P., Mar 2005, In : Acta Crystallographica Section A: Foundations of Crystallography. 61, 2, p. 237-245 9 p.

Research output: Contribution to journalArticle

Lasers
Diffraction
alignment
proteins
Proteins
28 Citations (Scopus)

Diffractive electron imaging of nanoparticles on a substrate.

Wu, J., Weierstall, U. & Spence, J., Dec 2005, In : Nature materials.. 4, 12, p. 912-916 5 p.

Research output: Contribution to journalArticle

Wave functions
Nanoparticles
Imaging techniques
nanoparticles
Electrons
2 Citations (Scopus)

Electron diffraction from laser-aligned beams of large hydrated molecules

Spence, J., Jun 2005, In : Journal of Electron Microscopy. 54, 3, p. 163-168 6 p.

Research output: Contribution to journalArticle

Electron diffraction
Diffraction patterns
Laser beams
Lasers
diffraction patterns
29 Citations (Scopus)

Evidence against a charge density wave on Bi(111)

Kim, T. K., Wells, J., Kirkegaard, C., Li, Z., Hoffmann, S. V., Gayone, J. E., Fernandez-Torrente, I., Häberle, P., Pascual, J. I., Moore, K. T., Schwartz, A. J., He, H., Spence, J., Downing, K. H., Lazar, S., Tichelaar, F. D., Borisenko, S. V., Knupfer, M. & Hofmann, P., Aug 15 2005, In : Physical Review B - Condensed Matter and Materials Physics. 72, 8, 085440.

Research output: Contribution to journalArticle

Charge density waves
Scanning tunneling microscopy
scanning tunneling microscopy
Photoelectron spectroscopy
photoelectric emission
5 Citations (Scopus)

Phase measurement for accurate mapping of chemical bonds in acentric space groups

Spackman, M. A., Jiang, B., Groy, T. L., He, H., Whitten, A. E. & Spence, J., Aug 19 2005, In : Physical Review Letters. 95, 8, 085502.

Research output: Contribution to journalArticle

chemical bonds
electron diffraction
multipoles
x ray diffraction
inversions
5 Citations (Scopus)

Phasing diffraction data from a stream of hydrated proteins

Wu, J. S. & Spence, J., 2005, In : Journal of the Optical Society of America A: Optics and Image Science, and Vision. 22, 7, p. 1453-1459 7 p.

Research output: Contribution to journalArticle

Ice
Diffraction
Proteins
Diffraction patterns
Molecules
22 Citations (Scopus)

Precipitation of Ge nanoparticles from GeO2 glasses in transmission electron microscope

Jiang, N., Qiu, J. & Spence, J., Apr 4 2005, In : Applied Physics Letters. 86, 14, p. 1-3 3 p., 143112.

Research output: Contribution to journalArticle

electron microscopes
nanoparticles
high energy electrons
transmission electron microscopy
glass
19 Citations (Scopus)

Reconstruction of complex single-particle images using charge-flipping algorithm

Wu, J. S. & Spence, J., Mar 2005, In : Acta Crystallographica Section A: Foundations of Crystallography. 61, 2, p. 194-200 7 p.

Research output: Contribution to journalArticle

Computer-Assisted Image Processing
Fourier Analysis
Wave functions
Nanoparticles
Fourier transforms

Resolution and image fidelty in STEM and TEM (HREM)

Spence, J., 2005, In : Microscopy and Microanalysis. 11, SUPPL. 2, p. 236-237 2 p.

Research output: Contribution to journalArticle

High resolution electron microscopy
Transmission electron microscopy
transmission electron microscopy
2004
14 Citations (Scopus)

Application of a modified Oszlányi and Süto ab initio charge-flipping algorithm to experimental data

Wu, J. S., Spence, J., O'Keeffe, M. & Groy, T. L., Jul 2004, In : Acta Crystallographica Section A: Foundations of Crystallography. 60, 4, p. 326-330 5 p.

Research output: Contribution to journalArticle

Atoms
Lattice vibrations
Iterative methods
Charge density
iteration
70 Citations (Scopus)

Coherence and sampling requirements for diffractive imaging

Spence, J., Weierstall, U. & Howells, M., Nov 2004, In : Ultramicroscopy. 101, 2-4, p. 149-152 4 p.

Research output: Contribution to journalArticle

sampling
Sampling
Imaging techniques
requirements
Diffraction
13 Citations (Scopus)

Convergent-Beam Low Energy Electron Diffraction (CBLEED) and the Measurement of Surface Dipole Layers

Spence, J., Poon, H. C. & Saldin, D. K., Feb 2004, In : Microscopy and Microanalysis. 10, 1, p. 128-133 6 p.

Research output: Contribution to journalArticle

Low energy electron diffraction
electron diffraction
dipoles
Multiple scattering
Radiation damage

Core-hole effects on electron energy-loss spectroscopy of Li2O

Jiang, N. & Spence, J., Mar 2004, In : Physical Review B - Condensed Matter and Materials Physics. 69, 11, p. 1151121-1151124 4 p., 115112.

Research output: Contribution to journalArticle

Electron energy loss spectroscopy
energy dissipation
electron energy
Energy dissipation
Electrons
25 Citations (Scopus)

Core-hole effects on electron energy-loss spectroscopy of Li2O

Jiang, N. & Spence, J., Mar 18 2004, In : Physical Review B - Condensed Matter and Materials Physics. 69, 11

Research output: Contribution to journalArticle

Electron energy loss spectroscopy
energy dissipation
electron energy
Energy dissipation
Electrons
14 Citations (Scopus)

Electron density and implication for bonding in Cu

Jiang, B., Friis, J., Holmestad, R., Zuo, J. M., O'Keeffe, M. & Spence, J., Jun 2004, In : Physical Review B - Condensed Matter and Materials Physics. 69, 24, 245110.

Research output: Contribution to journalArticle

Carrier concentration
Wave functions
Electron diffraction
electron diffraction
wave functions
48 Citations (Scopus)

Electron diffraction of thin-film pentacene

Wu, J. S. & Spence, J., Feb 2004, In : Journal of Applied Crystallography. 37, 1, p. 78-81 4 p.

Research output: Contribution to journalArticle

Electron diffraction
electron diffraction
Electrons
Thin films
thin films
24 Citations (Scopus)

Electron energy-loss spectroscopy of the O K edge of NbO2, MoO2, and WO2

Jiang, N. & Spence, J., Dec 2004, In : Physical Review B - Condensed Matter and Materials Physics. 70, 24, p. 1-7 7 p.

Research output: Contribution to journalArticle

Electron energy loss spectroscopy
energy dissipation
electron energy
Electronic structure
Metals
105 Citations (Scopus)

Enhancement of the superconducting transition temperature of MgB2 by a strain-induced bond-stretching mode softening

Pogrebnyakov, A. V., Redwing, J. M., Raghavan, S., Vaithyanathan, V., Schlom, D. G., Xu, S. Y., Li, Q., Tenne, D. A., Soukiassian, A., Xi, X. X., Johannes, M. D., Kasinathan, D., Pickett, W. E., Wu, J. S. & Spence, J., Oct 1 2004, In : Physical Review Letters. 93, 14

Research output: Contribution to journalArticle

softening
transition temperature
augmentation
sapphire
vapor deposition
21 Citations (Scopus)

Extinction-free electron diffraction refinement of bonding in SrTiO 3

Friis, J., Jiang, B., Spence, J., Marthinsen, K. & Holmestad, R., Sep 2004, In : Acta Crystallographica Section A: Foundations of Crystallography. 60, 5, p. 402-408 7 p.

Research output: Contribution to journalArticle

Electron diffraction
X-Ray Diffraction
free electrons
extinction
electron diffraction
7 Citations (Scopus)

Interface structures in MgB 2 thin films on (0001) SiC

Wu, J. S., Jiang, N., Jiang, B., Spence, J., Pogrebnyakov, A. V., Redwing, J. M. & Xi, X. X., Aug 16 2004, In : Applied Physics Letters. 85, 7, p. 1155-1157 3 p.

Research output: Contribution to journalArticle

thin films
minorities
electron microscopy
energy dissipation
vapor deposition
14 Citations (Scopus)

Intermediate-range structure of tellurite glasses from near-edge absorption spectra

Jiang, N. & Spence, J., Nov 2004, In : Physical Review B - Condensed Matter and Materials Physics. 70, 18, p. 1-6 6 p., 184113.

Research output: Contribution to journalArticle

Absorption spectra
absorption spectra
Glass
Crystals
glass
33 Citations (Scopus)

Iterative phase retrieval without support

Wu, J. S., Weierstall, U., Spence, J. & Koch, C. T., Dec 1 2004, In : Optics Letters. 29, 23, p. 2737-2739 3 p.

Research output: Contribution to journalArticle

retrieval
output
crystallography
x ray diffraction
electron diffraction
8 Citations (Scopus)

Modeling core-hole effects in electron energy-loss spectroscopy of TeO 2

Jiang, N. & Spence, J., Jul 2004, In : Physical Review B - Condensed Matter and Materials Physics. 70, 1, 014112.

Research output: Contribution to journalArticle

Tellurium
Electron energy loss spectroscopy
Oxides
energy dissipation
electron energy
6 Citations (Scopus)

Phasing diffuse scattering. Application of the SIR2002 algorithm to the non-crystallographic phase problem

Carrozzini, B., Cascarano, G. L., De Caro, L., Giacovazzo, C., Marchesini, S., Chapman, H., He, H., Howells, M., Wu, J. S., Weierstall, U. & Spence, J., Jul 2004, In : Acta Crystallographica Section A: Foundations of Crystallography. 60, 4, p. 331-338 8 p.

Research output: Contribution to journalArticle

Scattering
scattering
balls
Aurothioglucose
Crystallography
120 Citations (Scopus)

Single molecule diffraction

Spence, J. & Doak, R. B., May 14 2004, In : Physical Review Letters. 92, 19, p. 198102-198101 2 p.

Research output: Contribution to journalArticle

Helium
Lasers
diffraction
molecules
helium
19 Citations (Scopus)

SPEDEN: Reconstructing single particles from their diffraction patterns

Hau-Riege, S. P., Szoke, H., Chapman, H. N., Szoke, A., Marchesini, S., Noy, A., He, H., Howells, M., Weierstall, U. & Spence, J., Jul 2004, In : Acta Crystallographica Section A: Foundations of Crystallography. 60, 4, p. 294-305 12 p.

Research output: Contribution to journalArticle

Diffraction patterns
diffraction patterns
Crystallography
Information use
Crystallization
2 Citations (Scopus)

Structural study of new hydrocarbon nano-crystals by energy-filtered electron diffraction

Wu, J. S., Melcer, N., Sharp, W. P., O'Keeffe, M., Spence, J. & Yaghi, O. M., Jan 2004, In : Ultramicroscopy. 98, 2-4, p. 145-150 6 p.

Research output: Contribution to journalArticle

Multiple scattering
Hydrocarbons
Electron diffraction
Crystal lattices
Diffraction patterns
23 Citations (Scopus)

Use of extended and prepared reference objects in experimental Fourier transform x-ray holography

He, H., Weierstall, U., Spence, J., Howells, M., Padmore, H. A., Marchesini, S. & Chapman, H. N., Sep 27 2004, In : Applied Physics Letters. 85, 13, p. 2454-2456 3 p.

Research output: Contribution to journalArticle

holography
balls
discontinuity
x ray diffraction
x rays
2003

3D nanocrystal images at atomic resolution from diffraction data using iterative algorithms

Wu, J. S. & Spence, J., 2003, In : Microscopy and Microanalysis. 9, SUPPL. 2, p. 1184-1185 2 p.

Research output: Contribution to journalArticle

Nanocrystals
nanocrystals
Diffraction
diffraction
1 Citation (Scopus)

A Quantitative Nanodiffraction System for Ultrahigh Vacuum Scanning Transmission Electron Microscopy

Hembree, G. G., Koch, C. & Spence, J., Oct 2003, In : Microscopy and Microanalysis. 9, 5, p. 468-474 7 p.

Research output: Contribution to journalArticle

Ultrahigh vacuum
ultrahigh vacuum
Lenses
lenses
Transmission electron microscopy
14 Citations (Scopus)

A useful expansion of the exponential of the sum of two non-commuting matrices, one of which is diagonal

Koch, C. T. & Spence, J., Jan 24 2003, In : Journal of Physics A: Mathematical and General. 36, 3, p. 803-816 14 p.

Research output: Contribution to journalArticle

Matrix Exponential
expansion
matrices
Multiple Scattering
Taylor Expansion
54 Citations (Scopus)

Charge density and chemical bonding in rutile, TiO2

Jiang, B., Zuo, J. M., Jiang, N., O'Keeffe, M. & Spence, J., Jul 2003, In : Acta Crystallographica Section A: Foundations of Crystallography. 59, 4, p. 341-350 10 p.

Research output: Contribution to journalArticle

Charge density
Electron diffraction
rutile
Electrons
X ray diffraction
85 Citations (Scopus)

Coherent X-ray diffractive imaging: Applications and limitations

Marchesini, S., Chapman, H. N., Hau-Riege, S. P., London, R. A., Szoke, A., He, H., Howells, M. R., Padmore, H., Rosen, R., Spence, J. & Weierstall, U., 2003, In : Optics Express. 11, 19, p. 2344-2353 10 p.

Research output: Contribution to journalArticle

radiation damage
diffraction patterns
dosage
life sciences
x rays
13 Citations (Scopus)

Core-hole effects on the B K edge in MgB2

Jiang, B., Jiang, N. & Spence, J., Mar 5 2003, In : Journal of Physics Condensed Matter. 15, 8, p. 1299-1304 6 p.

Research output: Contribution to journalArticle

Boron
Fermi level
Excited states
Ground state
Energy dissipation
2 Citations (Scopus)

Dislocations in MgB2

Jiang, N., Jiang, B., Spence, J., Lee, S. & Tajima, S., Aug 2003, In : Philosophical Magazine Letters. 83, 8, p. 495-501 7 p.

Research output: Contribution to journalArticle

High resolution electron microscopy
Superconducting materials
electron microscopy
spatial resolution
dissociation
16 Citations (Scopus)

Electronic structure and oxygen bonding in CaSiO3 silicate

Jiang, N., Denlinger, J. D. & Spence, J., Aug 20 2003, In : Journal of Physics Condensed Matter. 15, 32, p. 5523-5533 11 p.

Research output: Contribution to journalArticle

Silicates
Electronic structure
silicates
Oxygen
electronic structure

Electron lithography in glasses by STEM

Jiang, N., Hembree, G. & Spence, J., 2003, In : Microscopy and Microanalysis. 9, SUPPL. 2, p. 300-301 2 p.

Research output: Contribution to journalArticle

Electron beam lithography
lithography
Glass
glass
electrons