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Presents a study to calculate the critical thickness and strain relaxation in II-VI strained epilayers, and compare them with experimental values. What commercial semiconductor lasers are based upon; Importance of short-wavelength light emitting diodes; Methodology used to conduct study; Indication of findings; Discussion on results.

Deals with the nucleation of dislocation loops in strained epitaxial layers. Values of the activation energy for homogeneous nucleation of the misfit dislocations; Effect of the presence of a defect cluster on the activation energy of loop nucleation at low mismatch; Homogeneous nucleation of loops in highly mismatched layers.

Focuses on a study which detailed the calculation of the interaction energy of arrays of dislocations with nonperiodic distribution. Reason for conducting the calculations; Focus of studies on strain relaxation in pseudomorphic epilayers; Situation in which the calculated rate of strain relaxation on annealing the metastable layers at higher temperatures is increased.

This article focuses on the values of computer professionals and the implications it draws for institution building and developmental processes in organizations in India as of March 1989. There is a growing emphasis on institution building. More and more organizations are consciously choosing core institutional values rather than letting values emerge from operating imperatives. Also, the attainment of business objectives may be getting increasingly difficult without attention to the values governing decision and choices. Incorporating value considerations in business decisions of the organization is an important, but often, neglected, area. These decisions are often taken as a response to the need to handle environmental pressures or a crisis, to obtain a market share, to become prominent, etc., and seldom are the consequences assessed in terms of the practice of the values of the organization.