The X-ray Non-diagram Lines Kβ' of Some Compounds of the Iron Group
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The wavelength values and relative intensities of the X-ray non-diagram lines Kα_<3,4> of metallic iron and Kβ' of Cr_2O_3, Cr_2(SO_4)_3・nH_2O, MnO_2, MnSO_4・4H_2O, Fe_2O_3 and Fe(NH_4)_2(SO_4)_2・6H_2O were measured by the fluorescent X-ray method using twe different characteristic X-rays. The Kα_<3,4> lines did not appear when an iron atom was excited by Ni K rays but were clearly observed when excited by Cu K rays. This was expected from the origin of the Kα_<3,4> lines that is supposed to arise from a KL-LL transition. In the case of the Kβ' line no difference was found regardless of whether it was excited by photons of energy lower or higher than K(Z) + L(Z+1) which is necessary to remove simultaneously a K and an L electrons of an atom (Z). Therefore, the author may conclude that the Kβ' line is due not to the double but to the single ionization process and that it can be derived from the difference of the exchange interactions of the states having different total spins (S+1/2) and (S-1/2), where S is the total spin of the incomplete 3d shell and 1/2 is that of the incomplete 3p shell in the final state. The energy separations of the Kβ_1 and Kβ' lines calculated from the above-mentioned exchange energies nearly agree with those observed in the experiments.
- 社団法人日本物理学会の論文
- 1959-12-05
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関連論文
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