Publications

Refereed Journals

S.A. Speakman, M.S. Haluska, S.T. Misture, “A reappraisal of fast ion conduction in Ta, Ga, and Al-substituted Aurivillius phases,” Solid State Ionics 176 , 2617-2623 (2005).

S.Y. Choi, M. Mamak, S.A. Speakman, N. Chopra , G.A. Ozin, "Evolution of Nanocrystallinity in Periodic Mesoporous Anatase Thin Films," Small 1 [2] 226-232 (2005).

W.K. Kim, S. Kim, E.A. Payzant, S.A. Speakman, S. Yoon, R.M. Kaczynski, R.D. Acher, T.J. Anderson, O.D. Crisalle, S.S. Li, V. Craciun, “Reaction kinetics of a-CuInSe 2 formation from an In 2 Se 3 /CuSe bilayer precursor film,” Journal of Physics and Chemistry of Solids 66 1915-1919 (2005).

U.N. Roy, R.H. Hawrami, Y. Cui, S. Morgan, A. Burger, K.C. Mandal, C.C. Noblitt, S.A. Speakman, K. Rademaker, S.A. Payne, “Tb 3+ doped KPb 2 Br 5 : Low-energy phonon mid-infrared laser crystal,” Applied Physics Letters 86 , 151911 (2005).

M.S. Haluska, S.A. Speakman, S.T. Misture, “Powder Diffraction Data for the three-layer Aurivillius ceramics Bi 2 Sr 2-x A x Nb 2 TiO 12 (A=Ca,Ba; x=0,0.5,1),” Powder Diffraction 20 [1] 47-50 (2005).

M. Price, S.A. Speakman, E.A. Payzant, T.M. Nenoff, J. Dong, X. Gu, "Structural Stability of A Nanocrystalline YSZ-SDC Heterophase System and Its Effect on the Electrical Conductivity," Journal of the American Ceramic Society 88 [7] 1812-8 (2005).

D.S. Easton, J.H. Schneibel, S.A. Speakman, “Factors Affecting Hydrogen Release from Lithium Alanate (LiAlH 4 ),” Journal of Alloys and Compounds 398 [1-2] 245-248 (2005) .

Z. Gu, J.H. Edgar, S.A. Speakman, D. Blom, J. Perrin, J. Chaudhuri, “Thermal oxidation of polycrystalline and single crystalline aluminum nitride wafers,” Journal of Electronic Materials 34 [10] 1271-9 (2005).

S.A. Speakman, R.D. Carneim, E.A. Payzant, T.J. Armstrong, "Development of Proton Conductors using Pyrochlore-Perovskite Phase Boundaries," Journal of Materials Engineering and Performance , 13 [3], 303-8 (2004).

N.D. Hutson, S.A. Speakman, E.A. Payzant, "Structural Effects on the High Temperature Adsorption of CO 2 on a Synthetic Hydrotalcite," Chemistry of Materials , 16 [21], 4135-4143 (2004).

C.L. Nygren, C.J. Rawn, S.A. Speakman, J.F.C. Turner, “Synthesis and Characterization of Novel Icroporous Aluminum Phosphates,” Abstracts of Papers of the American Chemical Society 225 , U103 (2003).

S.A. Speakman, J.W. Richardson, B.J. Mitchell, S.T. Misture, "In-situ Diffraction Study of Ba 2 In 2 O 5 ", Solid State Ionics , 149 [3-4], 247-259 (2002).

Conference Proceedings

S.A. Speakman, J.H. Schneibel, D.S. Easton, “An in-situ X-ray Diffraction Study of the Desorption of TiCl 3 -doped Sodium Alanate,” in Materials for Hydrogen Storage [T. Vogt, R. Stumpf, M. Heben, I. Robertson, eds.] MRS Proceedings Volume 837 , paper N3.3.1 (2005).

M.J. Kirkham, S.A. Speakman, C.J. Rawn, "Investigation of the Effect of using Various Optics Configurations with Proportional and Position-Sensitive Detectors," Advances in X-ray Analysis , 47 , 218-223 (2004).

J.H. Schnneibel, S.A. Speakman, “Hydrogen Desorption of TiCl 3 -doped NaAlH 4 and Na 3 AlH 6 ,” JOM 56, 320 (2004) (abstract only) .

A. Kulkarni, J. Dong, P. Fuierer, S.A. Speakman, E.A. Payzant, “Synthesis of a Nanocrystalline YSZ-SDC Heterophase Thin Film and Studies on its Electrical Properties and Structural Stability,” Inorganic Membranes: Proceedings of Eighth International Conference on Inorganic Membranes [F.T. Akin and Y.S. Lin, eds.], 46-9, Adams Press, Chicago (2004).

M.S. Peterson, S.A. Speakman , C.A. Say, " High-Temperature X-ray Diffraction Study of Reaction Rates in Ceramics", Advances in X-ray Analysis , 46 , 226-231 (2003).

M.S. Haluska, S.A. Speakman, S.T. Misture, "In-situ XRD to Optimize Powder Synthesis of Aurivillius Phases," Advances in X-ray Analysis , 45 , 110-6 (2002).

S.A. Speakman, V.B. Modi, M.S. Haluska, S.T. Misture, "Use of in-situ XRD to Develop Conducting Ceramics with the Aurivillius Crystal Structure," Advances in X-ray Analysis , 45 , 117-22 (2002).

S.A. Speakman and S.T. Misture, "In-situ X-ray and Neutron Diffraction Study of Ba 2 In 2 O 5 ", Materials Science Forum , 378 , 336-9 (2001).

A.G. Clare, A.B. Schrader, S.T. Misture, S.A. Speakman, K.A. Richardson, “The Effect of Water Content on Neodymium-doped Fluorozirconate and Fluoroaluminate Glasses,” in Inorganic Materials II [A.J. Marker and E.G Arthurs, eds.] Proceedings of SPIE Volume 4102 , 195-203 (2000).

S.A. Speakman and S.T. Misture, “In-situ Diffraction Study of Brownmillerite-Type Mixed Conductors,” in 1998 PMN Measurements Workshop Report , Alfred University , 1998.

In review or in press

C.L. Melcher, M.P. Maskarinec, M.A. Spurrier, P. Szupryczynski, R. Nutt, L.F. Allard, S.A. Speakman, D.A. Blom, "Characteristics of (Lu 1-x Y x ) 2 SiO 5 :Ce Single Crystal Scintillators," Journal of Crystal Growth (in press 2005).

S.A. Speakman, W.D. Porter, M.A. Spurrier, C.L. Melchier, "Thermal Expansion and Stability of Cerium-doped Lu 2 SiO 5 ," Materials Research Bulletin , (in press 2005).

B.A. Pint, S.A. Speakman, C.J. Rawn, and Y. Zhang, “Deformation and Phase Transformations During Cyclic Oxidation of Ni-Al and Ni-Pt-Al- Relevance to Platinum Aluminide Coating Performance,” Journal of Materials (invited paper, submitted 2005).

T.A. Dobbins, R. Tittsworth, V.K. Kamineni, Y. Lvov, S.A. Speakman, J.H. Schneibel, “Synchrotron X-ray Absorption Spectroscopy (XAS) for Understanding Dopant Effects in Ti-doped NaAlH 4 ,” Proceedings of the TMS 2006 Annual Meeting: Advanced Materials for Energy Conversion III (in review).

W.K. Kim, E.A. Payzant, S. Kim, S.A. Speakman, S. Yoon, T.J. Anderson, O.D. Crisallea, S.S. Li, “Reaction kinetics of CuGaSe 2 formation from a GaSe/CuSe bilayer precursor film,” (in review).

Select Conference Presentations

Invited Talks

S.A. Speakman, J.H. Schneibel, D.S. Easton, T.A. Dobbins, “In-situ X-ray Studies of Ti-doped Sodium and Lithium Alanate,” ACA 2005 Meeting, 28 May – 2 June 2005, Lake Buena Vista , FL.

T.R. Armstrong, S.A. Speakman, E.A. Payzant, “Electrical Properties of Substituted Ca 2 Fe 2 O 5 ”, International Conference on Nonstoichiometric Compounds, 3-9 April 2005, Kauai , HI .

E.A. Payzant, S.A. Speakman, W.K. Kim, T.R. Anderson, “High Temperature XRD in-situ Characterization of Processing of CuInSe 2 Photovoltaic Thin Films,” ACA 2005 Meeting, 28 May – 2 June 2005, Lake Buena Vista, FL.

S.A. Speakman, “Optimizing Furnace Controller Settings”, Practical High-Temperature Powder Diffraction Workshop, sponsored by PANalytical and Anton Paar GmbH, 8 Nov. 2004, Atlanta, GA.

S.A. Speakman, E.A. Payzant, R.D. Carneim, T.J. Armstrong, "Combining PDF and Rietveld Analyses to Study Defect Structures in a Doped Pyrochlore", The 1 st ANSWER Workshop, 16-20 November 2003, Knoxville, TN.

Oral Presentations

S.A. Speakman, E.A. Payzant, T.R. Armstrong, R.D. Carneim, “Using Structure-Property Relationships to Select among Candidate Systems for High-Temperature Proton Conductor Development” 2004 MRS Fall Meeting, 29 November – 2 December 2004, Boston, MA.

E.A. Payzant and S.A. Speakman, “In-situ HTXRD Characterization for Thin Films,” 53 rd Annual Denver X-ray Conference, 2-6 August 2004, Steamboat Springs , CO .

S.A. Speakman , J. Bai, E.A. Payzant, “Resolving Discrepancies in the Crystal Structure of Strontium Zirconate using a "New" Capillary Furnace at the NSLS X14A Synchrotron Beamline”, 105 th Annual Meeting and Exposition of the American Ceramic Society, 27-30 April 2003, Nashville, TN.

S.A. Speakman, C.R. Hubbard, L.F. Allard, W.D. Porter, M.A. Spurrier, C.L. Melchier, “In-situ X-Ray Diffraction Study of Lu 2 SiO 5 Crystals for PET Scintillation Detectors”, American Crystallographic Association 2003 Annual Meeting, 26 –31 July 2003, Covington, KY.

S.A. Speakman, R.D. Carneim, E.A. Payzant, T.J. Armstrong, “ Development of Proton Conducting Materials Using a Pyrochlore-Perovskite Phase Boundary”, 2003 ASM Materials Solutions Conference and Exposition, 13-15 October 2003, Pittsburgh, PA.

S.A. Speakman, M.S. Haluska, V.B. Modi, S.T. Misture, “Order-Disorder Transformations of Aurivillius-type Ceramic Oxides,” 2001 MRS Fall Meeting, 26-30 November 2001, Boston, MA.

S.A. Speakman and S.T. Misture, “ Order-Disorder Transformations in Brownmillerite-type Conducting Ceramics: the in situ Crystallographic Study of Barium Indate,” The 102 nd Annual Meeting and Exposition of the American Ceramic Society, 30 April – 2 May 2000, St. Louis , MO.