Physics Department Faculty: Bruce Bunker

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NOTRE DAME

225 Nieuwland Science Hall
Notre Dame, IN 46556-5670 USA

phone: (574) 631-6386
fax: (574) 631-5952
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Bruce A. Bunker

Professor
Condensed Matter Physics

E-mail:	bunker (at) nd (dot) edu
Personal page:	http://www.nd.edu/~bunker
Address:	Nieuwland Science Hall 333g
Phone:	(574-63)1-7219
Fax:	(574-63)1-5952
or try...
Address:	Nieuwland Science Hall 341
Phone:	(574) 631-5650
Other links:	MRCAT

Research Interests

Professor Bunker's research interests lie in the use of x-rays and electrons for probing the structure of solids, liquids, surfaces, and interfaces. Specifically, his group is involved with using x-ray absorption spectroscopy (XAS) and x-ray scattering to study the structure of random semiconductor alloys, solid-solid and solid-liquid interfaces, two-dimensional phase transitions at surfaces and interfaces, and structure of liquids, and systems of environmental interest. His personal interests largely involve fundamental problems in condensed-matter physics, but there are often technologically or environmentally interesting applications as well.

This research largely requires the use of very intense x-rays available only at national synchrotron-radiation sources. He is the director of the MRCAT, an inter-institutional “collaborative access team” designing, building, and using beamlines at the Advanced Photon Source at Argonne National Laboratory. This “high-brightness” facility offers the capability of performing many new experiments previously difficult or impossible. The facility currently operates a high-brightness “undulator” beamline and a general-use “bending magnet” beamline.

Selected Publications

Bhoopesh Mishra, Elizabeth A. Haack, Patricia A. Maurice, and Bruce A. Bunker, "Effects of the Microbial Siderophore DFO-B on Pb and Cd Speciation in Aqueous Solution," Environ. Sci. Technol. 43 (1), pp 94–100, DOI: 10.1021/es071011w (2009).

Igor F. Vasconcelos, Elizabeth A. Haack, Patricia A. Maurice, Bruce A. Bunker, "EXAFS Analysis of Cadmium(II) Adsorption to Kaolinite," Chem. Geol. 249/3-4, 237-250 (2008).

Igor F. Vasconcelos, Bruce A. Bunker, and Randall T. Cygan, "Molecular Dynamics Modeling of Ion Adsorption to the Basal Surfaces of Kaolinite," J. Phys. Chem. C 111(18) pp 6753 – 6762, (2007).

I. Robel G. Girishkumar, B. A. Bunker, P. V. Kamat, K. Vinodgopal, "Structural changes and catalytic activity of platinum nanoparticles supported on C60 and carbon nanotube films during the operation of direct methanol fuel cells," App. Phys. Lett. 88, 073113-1-3 (2006).

D. Lahiri, V. Subramania, Bruce A. Bunker, and Prashant V. Kamat, "Probing Photochemical Transformations at TiO2/Pt and TiO2/Ir interfaces using X-ray Absorption Spectroscopy," J. Chem. Phys. 124 (20), 204720-1-204720-7 (2006).

I. Robel, B. A. Bunker, P. V. Kamat and M. Kuno (2006). "Exciton recombination dynamics in CdSe nanowires: Bimolecular to three-carrier Auger kinetics," Nano Letters 6(7): 1344-1349 (2006).

Honors and Activities

Director, Materials Research Collaborative Access Team, Advanced Photon Source, Argonne, National Laboratory.
Vice Chair and Chair Elect, Executive Committee of the International X-ray Absorption Society
Member, Partner User Council, Advanced Photon Source
Member, General User Program Advisory Committee, Advanced Photon Source.

Full Curriculum vitae (pdf)
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