Magnetic circular dichroism of Eu(C2H5SO4)3·9H2O due to magnetic dipole transitions
✍ Scribed by Yoshifumi Kato; Isamu Nakano
- Publisher
- Elsevier Science
- Year
- 1977
- Tongue
- English
- Weight
- 446 KB
- Volume
- 45
- Category
- Article
- ISSN
- 0009-2614
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✦ Synopsis
The magnetic circular dichrokm (MCD) for the three low-energy absorption bands of the Eu(C2H$!i04)3 -VH20 crystal has been measured at room temperature. It may$e well understood from the MCD as well as from other experimental results that two of these bands, 7F1 + Do and 7Fo -+ D1, are of magnetic dipole origin. However, the MCD of another baud at about 18650 cm-', 'F1 + 'D1, cannot be interpreted as being only one electric dipole in origin, which has been pointed out by several investigations. The present MCD analysis indicates that although this broad band consists of one electric-and two magnetic-clipole transitions, each of which has a sizeable absorption strength, the MCD spectrum originates exclusively from the two magnetic dipole transitions.
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The encrg~cs of EPR transitions of of field at low fields. The + :, +f and IGoGd3+ in LzI(C~H~SO~)~~ 9D20 at 77.2 K arc obscrvcd to bc nonlmoar functmns -z, -i transition cncrgics convcrgc ~symmctrically below 10 G and differ by only = 3 hIi at the lowest fields employed.