The Advanced Photon Source
a U.S. Department of Energy Office of Science User Facility

Publications related to the SX-STM project


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Book Chapters

V. Rose, J.W. Freeland, S.K. Streiffer, "New Capabilities at the Interface of X-rays and Scanning Tunneling Microscopy", in Scanning Probe Microscopy of Functional Materials: Nanoscale Imaging and Spectroscopy, S.V. Kalinin, A. Gruverman, (Eds.), Springer, New York, pg 405-432 (2011).

TOPIC: Physics of x-ray enhanced scanning tunneling microscopy; review of the technique; insulator coated smart tips; photoelectron detection using an STM.

Publications in Peer-Reviewed Journals

Marvin Cummings, Nozomi Shirato, Heath Kersell, Hao Chang, Daniel Rosenmann, John W. Freeland, Dean Miller, Saw-Wai Hla, and Volker Rose, "Controlled Modulation of Hard and Soft X-ray Induced Tunneling Currents Utilizing Co-axial Metal-Insulator-Metal Probe Tips", Journal of Applied Physics 121, 015305 (2017).

TOPIC: Independent bias on shield of coaxial smart tips can control tunneling and chemical signal.

A. DiLullo, N. Shirato, M. Cummings, H. Kersell, H. Chang, D. Rosenmann, D. Miller, J. W. Freeland, S.-W. Hla, and V. Rose,  "Local X-ray magnetic circular dichroism study of Fe/Cu(111) using a tunneling smart tip", (2016). J. Synchrotron Rad. 23, (2016), doi:10.1107/S1600577515023383.

TOPIC: Localized magnetic information obtained with tunneling tip.

Hao Chang, Marvin Cummings, Nozomi Shirato, Benjamin Stripe, Daniel Rosenmann, Curt Preissner, John W. Freeland, Heath Kersell, Saw-Wai Hla, and Volker Rose, "Ultra-high vacuum compatible optical chopper system for synchrotron x-ray scanning tunneling microscopy", AIP Conf. Proc. 1696, 020001 (2016).

TOPIC: Optical chopper development for UHV applications.

Hui Yan, Marvin Cummings, Fernando Camino, Weihe Xu, Ming Lu, Xiao Tong, Nozomi Shirato, Daniel Rosenmann, Volker Rose, and Evgeny Nazaretski, "Fabrication and Characterization of CNT-based Smart Tips for Synchrotron Assisted STM", Journal of Nanomaterials 2015, 492657 (2015).

TOPIC: Fabrication of multi-walled carbon nanotube-based smart tips for SX-STM.

Nozomi Shirato, Marvin Cummings, Heath Kersell, Yang Li, Dean Miller, Daniel Rosenmann, Saw-Wai Hla, and Volker Rose, “Hard X-ray beam damage study of monolayer Ni islands using SX-STM, MRS Proceedings 1754, mrsf14-1754-pp02-01 (2015).

TOPIC: Local beam-induced changes (beam damage) on surfaces can be studied in situ by SX-STM.

Nozomi Shirato, Marvin Cummings, Heath Kersell, Yang Li, Benjamin Stripe, Daniel Rosenmann, Saw-Wai Hla, and Volker Rose, “Elemental Fingerprinting of Materials with Sensitivity at the Atomic Limit”, Nano Letters 14, 6499-6504 (2014).

TOPIC: Elemental contrast of Ni clusters on Cu(111); 2-nm lateral resolution; sensitivity at limit of single atomic layer.

Kangkang Wang, Daniel Rosenmann, Martin Holt, Robert Winarski, Saw-Wai Hla, and Volker Rose, “An easy-to-implement filter for separating photo-excited signals from topography in scanning tunneling microscopy”, Rev. Sci. Instrum. 84, 063704 (2013).

TOPIC: Separation of chemical and topographic signals; providing the correct feedback signal in SX-STM.

Volker Rose, Kangkang Wang, TeYu Chien, Jon Hiller, Daniel Rosenmann, John W. Freeland, Curt Preissner, Saw-Wai Hla, "Synchrotron X-Ray Scanning Tunneling Microscopy: Fingerprinting Near to Far Field Transitions on Cu(111) Induced by Synchrotron Radiation", Adv. Funct. Mater. 23, 2646 (2013).

TOPIC: Brakedown of tunneling conditions under x-ray illumination; linear dependence of the tip current in the far field.

V. Rose, T.Y. Chien, J.W. Freeland, D. Rosenmann, J. Hiller, V. Metlushko, "Spin-dependent synchrotron x-ray excitations studied by scanning tunneling microscopy", J. Appl. Phys. 111, 07E304 (2012).

TOPIC: Synchrotron x-ray magnetic circular dichroism of micron-sized NiFe rings measured in the far field; influence of the bias voltage.

M.L. Cummings, T.Y. Chien, C. Preissner, V. Madhavan, D. Diesing, M. Bode, J.W. Freeland, V. Rose, "Combining Scanning Tunneling Microscopy and Synchrotron Radiation for High-Resolution Imaging and Spectroscopy with Chemical, Electronic, and Magnetic Contrast", Ultramicroscopy 112, 22 (2012).

TOPIC: Review of the SX-STM V2 system; design and performance.

V. Rose, T.Y. Chien, J. Hiller, D. Rosenmann, R.P. Winarski, "X-ray nanotomography of SiO2-coated Pt90Ir10 tips with sub-micron conducting apex", Appl. Phys. Lett. 99, 173102 (2011).

TOPIC: Fabrication and characterization of SiO2-coated smart tips.

V. Rose, J.W. Freeland, "A New Concept for Quantitative Nanoscale Imaging With Magnetic Contrast: Synchrotron X-ray Enhanced Scanning Tunneling Microscopy", Proceedings of 2010 International Conference on Electromagnetics in Advanced Applications (ICEAA 2010), Sydney, Australia, Sept. 20-24, 2010, pp. 201-204 (invited).

TOPIC: Concept of combining STM with polarized x-rays for magnetic measurments.

C. Preissner, V. Rose, C. Pitts, "Mechanical Systems for a Synchrotron X-ray Enhanced Scanning Tunneling Microscope", Diamond Light Source Proceedings 1, e21 (2010).

TOPIC: Vibartional noise environment at the synchrotron.

V. Rose, J.W. Freeland, "Nanoscale chemical imaging using synchrotron x-ray enhanced scanning tunneling microscopy", AIP Conf. Proc. 1234, 445 (2010).

TOPIC: Review of the SX-STM V1 prototype system; tip spectroscopy in the far field.

V. Rose, J.W. Freeland, K.E. Gray, S.K. Streiffer, "X-ray-excited photoelectron detection using a scanning tunneling microscope", Appl. Phys. Lett. 92, 193510 (2008).

TOPIC: Detecting x-ray ejected electrons from a 5-nm thick NiFe film in the far field.

Funding by the Office of Science Early Career Research Program through the Division of Scientific User Facilities, Office of Basic Energy Sciences of the U.S. Department of Energy through Grant SC70705.