Publications


2013

Joel Q. Grim, K.B. Ucer, A. Burger, P. Bhattacharya, E. Tupitsyn, E. Rowe, V.M. Buliga, L. Trefilova, A. Gektin, G.A. Bizarri, W.W. Moses, and R.T. Williams, "Nonlinear quenching of densely excited states in wide-gap solids", Phys. Rev. B (in press, 2013).

Z. Wang, R. T. Williams, Joel Q. Grim, F. Gao, and S. Kerisit, "Kinetic Monte Carlo simulations of excitation density dependent scintillation in CsI and CsI:Tl", Phys. Status Solidi B (in press, 2013).

Pankratov, A.I. Popov, I. Shirmane, A. Kotlov, G. A. Bizarri, A. Burger, P. Bhattacharya, E. Tupitsyn, E. Rowe, V. M. Buliga, and R.T. Williams, “Luminescence and Ultraviolet Excitation Spectroscopy of SrI2 and SrI2:Eu2+”, Rad. Meas., (in press, Feb. 2013).


2012

Joel Q. Grim, Qi Li, K.B. Ucer, G. A. Bizarri, W. W. Moses, and R. T. Williams, “Electron energy response of NaI:Tl and SrI2:Eu calculated from carrier mobilities and measured 1st and 3rd order quenching”, MRS Communications, 2, 139-143 (2012). doi: 10.1557/mrc.2012.27

Joel Q. Grim, Qi Li, K.B. Ucer, A. Burger, G.A. Bizarri, W.W. Moses, R.T. Williams, "The roles of thermalized and hot carrier diffusion in determining light yield and proportionality of scintillators", Physica Status Solidi (a) 209, 2421 (2012). doi: 10.1002/pssa.201200436

Editors choice:
Qi Li, R. T. Williams, Daniel Åberg, "First principles calculations and experiment predictions for iodine vacancy centers in SrI2", Phys. Status Solidi B 250, 233 (2012). doi: 10.1002/pssb.201200503

Qi Li, Joel Q Grim, KB Ucer, A Burger, GA Bizarri, WW Moses, RT Williams, "Host structure dependence of light yield and proportionality in scintillators in terms of hot and thermalized carrier transport", Physica Status Solidi Rapid Research Letters 6, 346 (2012). doi: 10.1002/pssr.201206258

W.W. Moses, G.A. Bizarri, R.T. Williams, S.A. Payne, A.N. Vasil'ev, J. Singh, Qi Li, Joel Q. Grim, W-S Choong, "The Origins of Scintillator Non-Proportionality",  Nuclear Science, IEEE Transactions on 59, 2038 (2012). doi: 10.1109/TNS.2012.2186463

2011

Feature and Cover article:
R.T. Williams, Joel Q. Grim, Qi Li, K.B. Ucer, W.W. Moses, "Excitation density, diffusion‐drift, and proportionality in scintillators", Physica Status Solidi (b248, 426 (2011). doi: 10.1002/pssb.201000610

Qi Li, Joel Q. Grim, R.T. Williams, G.A. Bizarri, W.W. Moses, "A transport-based model of material trends in nonproportionality of scintillators", Journal of Applied Physics 109123716 (2011). doi: 10.1063/1.3600070

 Joel Q. Grim, Qi Li, K. B. Ucer, R. T. Williams, and W. W. Moses, "Experiments on high excitation density, quenching, and radiative kinetics in CsI:Tl scintillator," NIMA 652, 284-287 (2011).

Qi Li, J. Q. Grim, R. T. Williams, G. A. Bizarri, and W. W. Moses,  "The role of hole mobility in scintillator proportionality," NIMA 652, 288-291 (2011). 

R. T. Williams, Qi Li, Joel Q. Grim, and K. B. Ucer, "Dependence of nonproportionality in scintillators on diffusion of excitons and charge carriers," Proc. SPIE, 8142-33, invited (2011).



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