Sturge

H. E. Seemaim, in J. M. Sturge, ed., Niblette s Handbook of Photography and Eeprography Materials, Processes and Systems, Van Nostrand Reinhold, New York, 1977, pp. 550-561. 

K. B. Hendriks, in J. Sturge, V. Walworth and A. Shepp, ed.. Imaging Processes and Materials, Nehlette s Eighth Edition, Van Nostrand Reiohold, New York, 1989, p. 637. 

J. Sturge, V. Walworth, and J. Shepp, eds.. Imaging Materials and Processes (Nehktte s Eighth Edition), Van Nostrand-Reinhold, New York, 1987. 

Figure 11.12. Temperature dependences of Cr1+ fluorescence lifetime in various host materials. Materials with low strength of crystal field (1) LiSAF (2) LiBAF<44> (3) LiCAF.(44) Materials with high strength of crystal field (4) alexandrite 1 4S (5) ruby (data from 20 to 300K obtained from Nelson and Sturge,(46) (hose from 300K and beyond by the author) (6) emerald.(42)...

D. F. Nelson and M. D. Sturge, Relation between absorption and emission in the region of the R lines of ruby, Phys. Rev. 137 (4k), A1117-A1130 (1965). 

Sturges WT, Harrison RM. 1986. Bromine in marine aerosols and the origin, nature and quantity of natural atmospheric bromine. Atmos Environ 20 1485- 1496. 

Sawyer C, Sturge J, Bennett DC, O Hare MJ, Allen WE, Bain J, Jones GE, Vanhaese-broeck B (2003) Cancer Res 63 1667... 

Pelham, W.E., Sturges, J., and Hoza, J. (1989) The effects of sustained release 20 and 10 mg Ritalin bid on cognitive and social behavior in children with attention deficit disorder. Pediatrics 80 491-501. 

An unusual phenomenon was reported in the Arctic in the mid-1980s. Ozone measured at ground level was observed to decrease rapidly to small concentrations, at times near zero (Bottenheim et al., 1986 Oltmans and Komhyr, 1986). As seen in Fig. 6.37, an increase in bromide ion collected on filters (f-Br) was inversely correlated with the 03 decrease (Barrie et al., 1988 Oltmans et al., 1989 Sturges et al., 1993 Lehrer et al., 1997) this could reflect either particle bromide or a sticky gas such as HBr that could be collected on the filter simultaneously. This correlation suggested that the loss of ozone was due to gas-phase chain reactions... 

Barrie, L. A., and J. W. Bottenheim, Sulphur and Nitrogen Pollution in the Arctic Atmosphere, in Pollution of the Arctic Atmosphere (W. T. Sturges, Ed.), pp. 155-182, Elsevier, Amsterdam/New York, 1991, and references therein. 

Moyers and Colovos, 1974 Cicerone, 1981 Sturges and Harrison, 1986). Laboratory studies have confirmed such reactions. For example, gaseous NOz, N2Os, and C10N02 react with NaBr to form BrNO, BrNOz, and BrCl, respectively (e.g., Finlayson-Pitts and Johnson, 1988 Finlayson-Pitts et al., 1990 Berko et al., 1991 De Haan et al., 1999). 

Sturges, W. T., and R. M. Harrison, Bromine in Marine Aerosols and the Origin, Nature, and Quantity of Natural Atmospheric Bromine, Atmos. Environ., 20, 1485-1496 (1986). 

Carpenter, L. J., W. T. Sturges, S. A. Penkett, P. S. Liss, B. Alicke, K. Hebestreit, and U. Platt, Short-Lived Alkyl Iodides and... 

Figure 4.25 Comparison of the different order parameters for the 151 K second-order transition of PrAlOj. (After Sturge et al., 1975.) Unbroken line is the smooth curve through the internal displacement order parameter, cos 2(, from ESR measurements. Black circles represent the electronic order parameter from optical absorption studies. Squares represent the reduced macroscopic strain from elastic neutron scattering.

Strain by neutron scattering. The three order parameters have been compared and found to show fairly good agreement (Fig. 4.25). The order parameters also follow the (Tj — 7) behaviour within 0.2° of (Sturge et al., 1975). 

A very similar situation is presented by the dynamic Jahn-Teller effect, in which a trapped electron that has distorted its surroundings hops between two configurations with a frequency given by (6) for a proof see Sturge (1967). 

There is a wide literature on excitons an early review is that by Knox (1963), and a book dealing exhaustively with the subject is Rashba and Sturge (1982). The aspects most relevant to the discussions in the present book are... 

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