# ZEEMAN EFFECT IN EMERALD WITH LARGE MAGNETIC FIELDS

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 Title: ZEEMAN EFFECT IN EMERALD WITH LARGE MAGNETIC FIELDS Creators: Trummer, S.; Wood, D. L. Issue Date: 1964 Publisher: Ohio State University Abstract: Emerald is $Cr^{3+}$ doped beryl, and the $Cr^{3+}$ ion lies on a site having approximately octahedral coordination of oxygen ligands. The crystal field levels of the $Cr^{3+}$ ion have been previously reported in an analysis of the broad features of the spectrum. The red fluorescence lines $(^{2}E\to A_{2})$ are sharp enough to partially resolve the Zeeman splitting with D.C. magnetic fields up to 31 kilogauss. The patterns are completely resolved in absorption $(^{4}A_{2} \rightarrow ^{2}E)$ for very high fields (200 kilogauss) generated by pulse techniques. The patterns for both zero field and large field give a measure of the trigonal distortion of the octahedral site, the orbital reduction in the excited state, and the spin-orbit coupling parameter. These will be discussed after some brief comments on the production of large pulsed magnetic fields for spectroscopy. Description: Author Institution: Bell Telephone Laboratories, Incorporated URI: http://hdl.handle.net/1811/14552 Other Identifiers: 1964-G-06