Publications:Peer Reveiwed:
S. W. Lehner, K. S. Savage, J. C. Ayers, “Vapor growth and characterization of pyrite (FeS2) doped with Co, Ni, and As: Variations in semiconducting properties” Journal of Crystal Growth, Volume 286, Issue 2, 15 January 2006, Pages 306-317 link to Vapor Growth.pdf
Submitted in review:
The effect of As, Co and Ni impurities on pyrite oxidation kinetics: An electrochemical study of synthetic pyrite, (in review); Stephen Lehner, Kaye Savage, Madalina Ciobanu, David Cliffel, submitted July 2006 to Geochimica et Cosmochimica Acta; recomended for publication, revised and resubmitted February 2007
Impurities and heterogeneity in pyrite: Influences on crystal properties and oxidation behavior; (in review) Savage, Kaye S., Stefan, Daniela, and Lehner, Stephen W., submitted April 2006 to Applied Geochemistry, revised and resubmitted January 2007
In progress
The effect of As, Co and Ni impurities on pyrite oxidation kinetics: batch and mixed-flow reactor experiments at ph 2 with ferric iron; Stephen Lehner, Kaye Savage; for submission to Geochimica et Cosmochimica Acta, April 2007
The effect of As, Co and Ni impurities on pyrite oxidation kinetics: batch reactor experiments at near neutral pH, Stephen Lehner, Kaye Savage, for submission May 2007
Electrochemical impedance spectroscopy of pyrite with As, Co and Ni impurities in acidic chloride solution: A step toward understanding charge transfer kinetics at the semiconductor/electrolyte interface; Stephen Lehner, Kaye Savage, Madalina Ciobanu, David Cliffel; for submission June/July 2007
Masters Thesis
The effect of impurities on the electronic properties of pyrite crystals: Studies of synthetic pyrite (FeS2) doped with As, Co, and Ni, M.S. thesis, 2004,
Conference absracts:
The effect of impurities on abiotic pyrite oxidation kinetics: An electrochemical study of synthetic pyrite doped with As, Co, and Ni, GSA Abstracts with Programs Vol. 38, No. 7. Fall 2006; Philadelphia, PA
Abiotic oxidation rate studies of synthetic pyrite doped with As, Co and Ni: What are the effects of minor elements on pyrite oxidation?; Stephen Lehner, Kaye Savage; GSA Abstracts with Programs Vol. 37, No. 7,October 2005; Salt Lake City, UT
Controls on spatial distribution of oxidation products in natural pyrite; Daniela Stefan, Kaye Savage, Stephen Lehner; GSA Abstracts with Programs Vol. 37, No. 7,October 2005; Salt Lake City, UT.
Points along the reaction path: Complimentary approaches to understanding arsenic transitions in two surficial environments impacted by mining activities, Kaye Savage, Dennis Byrd, Roger Ashley, Brett Beaulieu, Stephen W. Lehner; Supplement to: Eos, Transactions, American Geophysical Union, Vol. 85, No. 47, 23 November 2004, Fall meeting December,2004
Variations of resistivity and carrier type for synthetic pyrite doped with As, Co, and Ni: implications for oxidation, Steve Lehner, Kaye Savage, John Ayers, GSA Abstracts with Programs Vol. 36, No. 5. November 2004
Composition and crystal structure of synthetic pyrite doped with As, Co, and Ni, Steve Lehner, Kaye Savage GSA Abstracts with Programs Vol. 36, No. 5. November 2004
Synthesis and characterization of large Co, Ni, and As doped pyrite crystals produced by chemical vapor transport; Stephen Lehner, Kaye Savage, John Ayers; GSA Abstracts with Programs Vol. 36, No. 2, March 2004
