Dr. John W. Freeland Profile

Dr. John W. Freeland

Assistant Physicist at Argonne National Lab

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Author

Publications (5)

SPIE Journal Paper | 10 August 2024

Soft X-ray quantum efficiency of a commercial CMOS imaging sensor

Colin M. Packard, Steve Tammes, Philip Kaaret, Casey DeRoo, Jessica McChesney, John Freeland, Fanny Rodolakis

JATIS, Vol. 10, Issue 03, 036001, (August 2024) https://doi.org/10.1117/12.10.1117/1.JATIS.10.3.036001

KEYWORDS: Quantum efficiency, CMOS sensors, X-rays, Photodiodes, Quantum uncertainty, Quantum sensors, Calibration, Charge-coupled devices, Crystals, X-ray imaging

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Proceedings Article | 17 September 2018 Presentation

Light-activated gigahertz ferroelectric domain dynamics (Conference Presentation)

Venkatraman Gopalan, Hirofumi Akamatsu, Yakun Yuan, Vladimir Stoica, Gregory Stone, Tiannan Yang, Zijian Hong, Shiming Lei, Yi Zhu, John Freeland, Long-Qing Chen, Haidan Wen

Proceedings Volume 10753, 107530A (2018) https://doi.org/10.1117/12.2322964

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Proceedings Article | 2 November 2016 Presentation

X-ray diffraction and spectroscopy of photoinduced ferroic superstructures (Conference Presentation)

Vladimir Stoica, Haidan Wen, Xiaoyi Zhang, Zhan Zhang, John Freeland, Lane Martin, Ramamoorthy Ramesh, Venkatraman Gopalan

Proceedings Volume 9956, 99560W (2016) https://doi.org/10.1117/12.2238708

KEYWORDS: Imaging spectroscopy, Spectroscopes, Ultrafast laser spectroscopy, X-ray diffraction, Complex oxides, Spectroscopy, Spintronics, Superconductors, Visualization, Oxides

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Proceedings Article | 15 March 2011 Paper

Cross-sectional scanning tunneling microscopy for complex oxide interfaces

TeYu Chien, Nathan Guisinger, John Freeland

Proceedings Volume 7940, 79400T (2011) https://doi.org/10.1117/12.879329

KEYWORDS: Interfaces, Scanning tunneling microscopy, Complex oxides, Heterojunctions, Electrons, Semiconductors, Signal detection, Control systems, Perovskite, Titanium dioxide

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Proceedings Article | 16 November 1999 Paper

Quantitive magnetic domain correlation by x-ray resonant magnetic scattering

Yves Idzerda, John Freeland

Proceedings Volume 3773, (1999) https://doi.org/10.1117/12.370096

KEYWORDS: Magnetism, Scattering, Correlation function, X-rays, Multilayers, Absorption, Crystals, Cobalt, Iron, Ferromagnetics

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