Wright State University
College of Science and Mathematics

Department of Chemistry

202 Oelman Hall
(937) 775-2855

Current Higgins Research Members

Former Higgins Group Members

steven higgIns, ph.d. - group news and events

August 11, 2011
Michael E. Smith - Successfully Defended Thesis "Effects of crystal orientation on the dissolution kinetics of calcite by chemical and microscopic analyses"

November 22, 2010
Michael Mante - Successfully Defended Thesis "Near Equilibrium Dissolution of Calcite using a Flow-Through Reactor"

October 7, 2010
Mike Smith will be presenting his research at the Spring 2011 ACS Meeting. Mike's research is focussing on the chemical kinetics of crystallographically-inequivalent surfaces of calcite minerals.

September 2, 2010
Man Xu will give an oral presentation "Solute-controlled dissolution thresholding at near-equilibrium calcite-water interfaces" on her latest research on step edge kinetics on calcite surfaces by AFM. She will be speaking at the symposium entitled "Nanoscale Insights into Aqueous and High Temperature Geochemistry", at the 2010 American Geophysical Union Meeting on December 13-17 in San Francisco (http://www.agu.org/meetings/fm10/)

June 18, 2010
Symposium on Pushing experimental and computational limits: A prospective look at mineral-fluid interfaces at the 2010 V.M. Goldschmidt Conference in Knoxville, Tennessee, June 13-18, 2010.
Dr. Higgins along with Drs. Andrew Stack of Oak Ridge National Laboratory and Tom Trainor of the University of Alaska-Fairbanks organized this very exciting symposium. Dr. Higgins presented a paper titled "Scanning Probe Microscopy and mineral-water interfaces: Have we reached a limit?" in this symposium along with his co-authors Man Xu, Kevin Knauss, Scott Lea, Pablo Cubillas and Kevin Rosso.

April 16, 2010
More than 130 Wright State students shared their research activities with fellow students and faculty at the Celebration of Research, Scholarship and Creative Activities in the Student Union Apollo Room. Michael Mante and Dennis Lennaerts presented their posters at this event which was attended by the WSU President, Dr. David Hopkins. Below, Dennis (left) is shown explaining to Dr. Hopkins (center) and a distinguished guest how Sr and Ca are distributed in barite precipitates that form in seawater.

Dennis Poster Session


June 2009
Dr. Man Xu joined the Higgins group in June 2009 as a postdoctoral research associate. Dr. Xu received her PhD in Environmental Science from Ohio State University under the direction of Prof. Heather C. Allen followed by a postdoctoral position in the laboratory of Prof. Kenneth Eisenthal at Columbia University. Dr. Xu is currently investigating carbonate dissolution kinetics under fluid conditions relevant to geologic CO2 sequestration.

August 6, 2008
"Smart" AFM Project Documents and Information (funded through a grant from the NSF Division of Earth Science Instrumentation and Facilities Program) - last update














Dennis Lennaerts' Poster Presentation
Man Xu ACS Conference Poster
Man Xu's Poster Presentation
Michael Mantu ACS Conference Poster
Michael Mante's Poster Presentation.



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