Conference On Molecules to Materials: ICMM2006

Section-5 & REFERENCES
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Bulk solid specimen shape dependences in the molecular, chemical-shift tensor determinations
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For an elaboration on the intramolecular aspects of induced fileds (measured as Chemical shifts) Click on Link:

In this full paper preceding the presentation, it has been the effort to systematically document the salient results of the calculations which are taking the course from molecule to material. The ellipsoidal shapes are the ones which have the homogeneous magnetization for homogeneous susceptibility. Hence the case of inhomogeneity is yet to be discussed. More over when it is of importance to consider point by point summed contribution within the inner sphere, it must be obvious that even in the case of the favourable zero induced filed cases; the sum total of the discrete summation varies significantly from one point to other. If this summed value is significant compared to the bulk continuum contribution, then the assertion that the magnetization is homogeneous for spherical & ellipsoidal specimen would have to be reconsidered and ensure that it is only an average7 picture which is being refereed which includes averaging the discrete summing of point to point. This being so for diamagnetic specimen what would be the criteria set for magnetic materials where the internal fields are large? These points would be enumerated while presenting the material. The references cited here are mainly for the documentations made for the calculations made by this author. More references of much earlier efforts to handle internal field values at specific sites would also be referred and yet another version of this manuscript would become due after the presentation. The computer programs used by this author (written by the author himself in FORTRAN) are posted8 in the web pages. More over a simpler summation procedure could be evolved for the calculation of the shape dependent demagnetization factor. This is available as described in a manuscript posted in Ref.9


1. Click on Go to EVENT-III at 
2. S.Aravamudhan, Ind.J.Phys. 2005, 79(9), 985-989 and the references cited there in.
3. Section-3 and Section-4 at
4.     Sheet_0_8    
5.     Sheet_0_9
6.     Sheet_1_0
7. (a) Local-field Effects and Effective-medium theory: A Microscopic perspective D.E.Aspnes, American Journal of Physics, 1982, 50(8), pages 704 to 708   (b) Local Fields in Solids: microscopic aspects of dielectrics S.E.Schnatterly and C.Tario, Reviews of Modern Physics, 1992,   64, pages 619-622.
8.  Sheets:    3alpssnmr_3  to 3alpssnmr_6  
9.    Event-VII link for full paper

This is the text of the Full Paper for the presentation made at the Sant Longowal Institute of Technology, Longowal, Sangrur, Punjab, INDIA on the occasion of the "International Conference on Molecules to Materials" - The ICMM2006 held during March 3-6, 2006.

Click on the link below to display a webpage with links to contributions to events during July 2005 to February 2006.


The contents of pages: index, id1, id2, id3, & id4 of this ite contain the text of the
Full Paper appearing in the Proceedings of ICMM2006 March 3-6, 2006
Section on Materials for the Furure page 13-18; Article #2.3
The contents of page id5 is the Abstract for EPISTEME-2
The contents of page id6 is on EUROMAR2006