Publications
2012
C.E. Botez, R.J. Tackett, J.D. Hermosillo, "High pressure synchrotron x-ray diffraction studies of superprotonic
transitions in phosphate solid acids," Solid State Ionics 213, 58 (2012)
2011
R. Tackett, G. Lawes, R. Suryanarayanan, M. Apostu, A. Revcolevschi, "The zero-field glassy
ground state and field-induced ferromagnetic transition in (La0.4Pr0.6)1.2Sr1.8Mn2O7," J. Phys: Cond. Matt. 23, 156004 (2011)
K.K. Bharathi, R.J. Tackett, C.E. Botez, C.V. Ramana, "Coexistence of spin glass behavior and long-range ferromagnetic
ordering in La- and Dy-doped Co ferrite," J. Appl. Phys. 109, 07A510 (2011)
C.E. Botez, A.W. Bhuiya, R.J. Tackett, "Dynamic-susceptibility studies of the interplay between the Neel and Brown magnetic
relaxation", App. Phys. A: Mat. Sci. & Process. 104, 177 (2011)
2010
C.E. Botez, D. Carbajal, K. Adiraju, R.J. Tackett, "Intermediate-temperature polymorphic phase transition in KH2PO4: A synchrotron x-ray diffraction study", J. Phys. Chem. Sol . 71, 1576 (2010)
R.J. Tackett, J.G. Parsons, B.I. Machado, S. Gaytan, L.E. Murr, C.E. Botez, "Evidence of Low-Temperature
Superparamagnetism in Mn3O4 Nanoparticle Ensembles", Nanotechnology 21, 365703 (2010)
2009
R.J. Tackett, A.W. Bhuiya, C.E. Botez, "Dynamic susceptibility evidence of surface spin freezing
in ultrafine NiFe2O4 nanoparticles", Nanotechnology 20, 445705 (2009)
C.E. Botez, H. Martinez, R.J. Tackett, R.R. Chianelli, J. Zhang, Y. Zhao, "High-temperature crystal structures and chemical
modifications in RbH2PO4", J. Phys. Condens. Matter 21, 325401 (2009)
K. Senevirathne, R. Tackett, P.R. Kharel, G. Lawes, K. Somaskandan, S.L. Brock, "Discrete, dispersible MnAs nanocrystals
from solution methods: phase control on the nanoscale and magnetic consequences",
ACS Nano 3, 1129 (2009)
R. Regmi, R. Tackett, G. Lawes, "Suppression of low-temperature magnetic states in Mn3O4 nanoparticles", J. Magn. Magn. Mater. 321, 2296 (2009)
B.C. Melot, R. Tackett, J. O'Brien, A.L. Hector, G. Lawes, R. Seshadri, A.P. Ramirez, "Large low-temperature
specific heat in pyrochlore Bi2Ti2O4", Phys. Rev. B 79, 224111 (2009)
S. Putatunda, A Singar, R. Tackett, G. Lawes, "Development of a high strength, high toughness ausferritic steel", Mater. Sci. and Eng. A 513-514, 329 (2009)
2008
Y. Shen, Y.C.N. Cheng, G. Lawes, J. Neelavalli, C. Sudakar, R. Tackett, H.P. Ramanth, E.M Haacke, "Quantifying magnetic nanoparticles in non-steady flow
by MRI", Magn. Reson. Mater. Phys. 21, 345 (2008)
C. Rablau, P.P. Vaishnava, C. Sudakar, R. Tackett, G. Lawes, R. Naik, "Magnetic field induced optical anisotropy in ferrofluids: A
time dependent light scattering investigation", Phys. Rev. E 78, 051502 (2008)
R. Tackett, C. Sudakar, R. Naik, G. Lawes, C. Rablau, P.P. Vaishnava, "Magnetic and optical
response of tuning the magnetocrystalline anisotropy in Fe3O4 nanoparticle ferrofluids by Co doping", J. Magn. Magn. Mater. 320, 2755 (2008)
S. Singh, R. Suryanarayanan, R. Tackett, G. Lawes, A.K. Sood, P. Berthet, A. Revcolevschi, "Spin-ice state in the geometrically
frustrated metallic-ferromagnet Sm2Mo2O7:, Phys. Rev. B 77, 054408 (2008)
2007
P.P. Vaishnava, R. Tackett, A. Dixit, C. Sudakar, R. Naik, G. Lawes, "Magnetic relaxation and dissipative heating
in ferrofluids", J. Appl. Phys. 102, 063914 (2007)
R. Tackett, G. Lawes, B.C. Melot, M. Grossman, E.S. Toberer, G. Lawes, "Magnetodielectric coupling
in Mn3O4", Phys. Rev. B 76, 024409 (2007)
J. Cao, R.C. Rai, S. Brown, J. Musfeldt, R. Tackett, G. Lawes, Y. Wang, X. Wei, M. Apostu, R. Surynarayanan, A Revcolevschi, "Observation
of 300 K High Energy Megnetodielctric Response in the Bilayer Manganite (La0.4Pr0.6)1.2Sr1.8Mn2O7", Appl. Phys. Lett. 91, 021913 (2007)
2006
S.K. Putatunda, S. Kesani, R. Tackett, G. Lawes, "Development of auntenite free ADI (austempered ductile cast iron)", Mater. Sci. Eng. A 435-436, 112 (2006)
G. Lawes, R. Tackett, O. Masala, B. Adhikary, R. Naik, R. Seshadri, "Positive and negative magnetocapacitance
in magnetic nanoparticle systems", Appl. Phys. Lett. 88, 242903 (2006)
2005
G. Tsoi, U. Seneratne, R. Tackett, E. Buc, R. Naik, P. Vaishnava, V. Naik, L. Wenger, "Memory effects and magnetic
interactions in a γ-Fe2O3 nanoparticle system", J. Appl. Phys. 97(10), 10J507-1-3 (2005)
G. Tsoi, L. Wenger, U. Seneratne, R. Tackett, E. Buc, R. Naik, P. Vaishnava, V. Naik, "Memory effects in a superparamagnetic γ-Fe2O3 system", Phys. Rev. B 72, 014445 (2005)