Publications
J. Li, L. Christensen, M. N. Obravac, K. C.
Hewitt and J. R. Dahn.
Effect of heat treatment on Si electrodes using polyvinylidene
fluoride binder. submitted to J. Electrochem. Soc.
Oct 15,
(2007). PDF
R. J. Sanderson and K. C. Hewitt.
Magnetron sputter deposition of a 48-member cuprate superconductor
library: Bi2Sr2Ca1-xYxCu2Oy
(0.5 < x < 1) linearly varying in steps of 0.01 . Applied Surface Science
254,760-764
(2007). PDF
J. St. Aubin and K. C. Hewitt.
Surface Enhanced Raman spectroscopy of tiopronin
[N-(2-Mercaptopropionyl) glycine] using
roughned copper/gold coated substrates. submitted to Journal of Raman Spectroscopy May.
8, (2007). PDF
K. C. Hewitt.
Nano-Raman spectroscopy: Instrument design and techniques. Physics in Canada 62, 49-54
(2006). PDF
K. C. Hewitt, P. A. Casey, R. J. Sanderson,
M. A. White, and R. Sun.
High throughput resistivity apparatus for thin film combinatorial
libraries. Rev. Sci. Instr. 76, 093906 (2005). PDF
R. J. Sanderson and K. C. Hewitt.
Stoichiometry control of magnetron sputtered
Bi2Sr2Ca1-xYxCu2Oy
(0 < x < 0.5) thin film, composition spread libraries: Substrate
bias and gas density factors. Physica C 425, 52-61 (2005). PDF
K. C. Hewitt, X. K. Chen, C. Roch, J. Chrzanowski, J. C. Irwin, E. Altendorf,
R. Liang, D. Bonn, and W. N. Hardy.
Hole concentration and
phonon renormalization of the 340 cm-1 B1g mode in 2
%
Ca-doped YBa2Cu3Oy
(6.75 < y < 7.0). Phys. Rev. B 69, 064514 (2004). PDF
A. Bonakdarpour, K. C. Hewitt, R. L. Turner and J.
R.
Dahn. Electrochemical and In Situ XRD Studies of the Li Reaction
with combinatorially sputtered Mo1-xSnx (0 < x <
0.5)
thin films.
J. Electrochem. Soc. 151, A470-A483
(2004). PDF
L. Y. Beaulieu, K. C. Hewitt, R.
L. Turner, A. Bonakdarpour, A. A. Abdo, L. Christensen, K. W. Eberman,
L. J. Krause and J. R. Dahn. The electrochemical reaction of Li with amorphous
Si-Sn alloys. J. Electrochem. Soc.
150, A149-A156 (2003).PDF
S. D. Beattie, T. Hatchard, A.
Bonakdarpour, K. C. Hewitt and J. R. Dahn. Anomalous, High-Voltage Irreversible Capacity in Tin
Electrodes for Lithium Batteries. J.
Electrochem. Soc. 150, A701-A705 (2003).PDF
A. Bonkdarpour, K. C. Hewitt, T. D.
Hatchard, M. D. Fleischauer and J. R. Dahn.
Combinatorial Synthesis and rapid characterization of
Mo1-xSnx (0 < x < 1) thin films.
Thin Solid Films 440, 11-18
(2003). PDF
K. C. Hewitt and J. C. Irwin. Doping dependence of the Superconducting gap in Bi2Sr2CaCu2O8+d. Phys. Rev. B
J. R. Dahn, S. Trussler, T. D.
Hatchard, A. Bonakdarpour, J. R. Mueller-Neuhaus, K. C. Hewitt and M.
Fleischauer. Economical Sputtering System to Produce Large-Size
Composition-Spread Libraries having Linear and Orthogonal
Stoichiometry Variations. Chem. Mater.
14, 3519 (2002).PDF
K. C. Hewitt, L. Y. Beaulieu and J. R. Dahn. Electrochemistry of InSb
as a Li insertion host: Problems & Prospects. J. Electrochem.
Soc. 148, A402
(2001).
PDF
C. Boulesteix, K. C. Hewitt and
J. C. Irwin. Temperature-induced frequency shift of the Raman-active CuO2 planar oxygen vibrational
modes of Bi-2212 related to a change of the Cu-O bonding. J. Phys.: Cond. Matter 12, 9637-9643 (2000). PDF
K. C. Hewitt. Atomic substitution in selected high temperature
superconductors: Elucidating the nature of Raman spectra
excitations. PhD Thesis
J. G. Naeini, K. C. Hewitt, J.
C. Irwin, T. Sasagawa, Y. Togawa,
K. Kishio. Temperature induced normal state
redistribution of B1g spectral weight in underdoped
La2-xSrxCuO4. Physica C 341,
907-908 (2000).
K. C. Hewitt, N. L. Wang, J. C. Irwin, D. M. Pooke, A. E. Pantoja and H. J. Trodahl. Isotope shift of the 590 cm-1 feature in underdoped Bi2Sr2CaCu2O8+d. Phys. Rev. B
60, R9943 (1999). PDF
J. G. Naeini, X. K. Chen, K. C.
Hewitt, J. C. Irwin, T. P. Devereaux, M. Okuya, T. Kimura and K. Kishio.
Evidence for Magnetic pseudoscaling in overdoped La2-xSrxCuO4. Phys.
Rev. B57, R11077 (1998) PDF
K. C. Hewitt, T. P. Devereaux,
X. K. Chen, X-Z. Wang, J. G. Naeini,
A. Martin and J. C. Irwin. Comment on "Superconducting Gap
Anisotropy vs. Doping level in High-Tc cuprates" Phys. Rev. Lett.
78, 4891 (1997). PDF
X. K. Chen, J. G. Naeini, K. C.
Hewitt, J. C. Irwin, R. Liang and W. N. Hardy. Electronic
Raman scattering in underdoped YBa2Cu3O6.5.
Phys. Rev. B 56, R513-R516 (1997) PDF
A. Martin, J. A. Sanjuro, K. C.
Hewitt, X-Z Wang, J. C. Irwin and M. J. G. Lee. Phonon self-energy effects due
to superconductivity in Bi2Sr2CaCu2O8+d. Phys. Rev. B
56, 8426 (1997). PDF
K. C. Hewitt, X. K. Chen, X. Meng-Burany,
A. E. Curzon and J. C. Irwin. Raman
investigation of Pb-substituted Bi2Sr2CuO6+d. Physica C 251,
192-204 (1994).
K. C. Hewitt, A. Martin, Y. H. Shi and
M. J. G. Lee. Effects of Pb
doping on the Raman spectrum of Bi2Sr2CuO6+d. Physica C 216,
463-470 (1993).