E P R of Mn2+: N a F
β Scribed by P.A. Narayana; K.V.L.N. Sastry; T.M. Srinivasan
- Publisher
- Elsevier Science
- Year
- 1970
- Tongue
- English
- Weight
- 200 KB
- Volume
- 5
- Category
- Article
- ISSN
- 0009-2614
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β¦ Synopsis
The ekx!tron pnrnnxlglctic rcsonnncc spwtrum of &In2-is studied at 4.ZΒ°K. The absolute signs of the spin-hamiltoninn p:~rnmetcrs n. D nncl A ;LW dctcrmined. The rctlnsntion times arc examined using the po\cr sntumtion method. It is found that the spin-lattice rclnsation time T1 is of the order of 1W4 sec.
-dh ad P. Venkateswzdu.
π SIMILAR VOLUMES
The e.p.r. and i.r. spectra of hand-picked samples of calcite from Pittsburgh No. 8 coal, show that it contains the Mn2+ paramagnetic ion and clay minerals as impurities. Furthermore, comparison of the e.p.r. spectra of hand-picked and natural calcite shows that the Mn2+ spectrum in this coal origin
The relationship between color and chemical composition in a series of Mn(V)-substituted 6uoroapatites A 10 (B 1Ψx Mn x O 4 ) 6 F 2 is studied as a function of the nature of A β«Ψβ¬ Ca, Sr, Ba; B β«Ψβ¬ P, V, and the Mn substitution, x. These apatites exhibit deep blue to green colors. Saturation e4ects