Articles written in Journal of Chemical Sciences
Volume 92 Issue 6 December 1983 pp 597-604 Physical and Theoretical
The far-uv photolysis of phosphine sorbed in cancrinite matrix at 77 K has been studied by epr spectroscopy. Cancrinite is demonstrated to stabilise the photolytically generated radicals ·PH2, ·P and ·H. Computer simulation of the entire lineshapes has been employed to assess the spin Hamiltonian parameters for both ·PH2 and ·P. The intensity distribution pattern of the ·PH2 spectrum at 77 K is indicative of a thermally-equilibrated population of rotational states of this radical in its matrix environment. The similarity of the epr data of ·PH2 trapped in cancrinite to that isolated in rare gas matrices, as well as the
Volume 95 Issue 1-2 July 1985 pp 59-75
The mathematical modelling of ‘
Spectrometer design considerations indicate that the resolution is limited by noise at the detection stage. In our imaging spectrometer developed for studying multiphase biospecimens, a 1 mm image resolution is feasible with a gradient of 50μT cm−1, assuming a 200 Hz frequency resolution and signal averaging.
Volume 96 Issue 6 April 1986 pp 565-580
A survey is made of the theory and applications of
Volume 121 Issue 4 July 2009 pp 503-508
Photoactive chemicals blended with polymers, solvents and certain other additives serve as photoresists. A new photoactive compound (PAC), azido-𝑚-meconine absorbing in the deep UV region has been blended with `alternating’ and `semi-alternating’ and `high ortho’ alternating novolak resins, based on $m/p$-cresol. The new photoresists have been evaluated as a negative tone deep UV photoresist for mircolithography.
Volume 124 Issue 2 March 2012 pp 395-401
Lithographic evaluation of a `deep UV’ negative photoresist is discussed along with the synthesis of an alternating `high-ortho’ novolak resin. 2-D NMR studies (COSY, NOESY, HSQC, HMBC) on this resin are also discussed.
Volume 134, 2022
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