N S Satya Murthy
Articles written in Pramana – Journal of Physics
Volume 3 Issue 6 December 1974 pp 355-362 Solids
The magnetic structure factors of MnAlGe (space group
Volume 11 Issue 2 August 1978 pp 159-169 Solids
A polarised neutron study of the ferromagnetic Heusler alloy Cu2Mn0.863Al1.057 has been made. It has been concluded that the magnetic moment density is primarily situated on the Mn ions. On assigning the Mn-moment value, the observed magnetic form factor is found to be in good agreement with the Mn2+ free ion form factor calculated by Watson and Freeman. A slight asphericity has been observed in the moment density. It is estimated that there are about 3% excess 3
Volume 15 Issue 2 August 1980 pp 207-223 Solid State Physics
Using polarised neutrons, the full three-dimensional magnetic structure amplitudes in the Ni1−
Volume 22 Issue 3-4 March 1984 pp 313-328 Nuclear Physics
The basic principle for the production of polarised thermal neutrons is discussed and the choice of various crystal monochromators surveyed. Brief mention of broad-spectrum polarisers is made. The application of polarised neutrons to the study of magnetisation density distributions in magnetic crystals, the dynamic concept of polarisation, principle and use of polarisation analysis, the neutron spin-echo technique are discussed.
Volume 24 Issue 1-2 January 1985 pp 311-316 Solid State Physics And Materials Science
The magnetic structures of Fe4N and Mn4N have been redetermined using neutron diffraction. The magnetic form factors, obtained from polarised neutron data have been shown to be different for the face-centred and corner atoms. A qualitative explanation of the structures of Fe4N and Mn4N has been provided from the shapes of the magnetic form factors.
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