@article {768, title = {M-edge x-ray absorption spectroscopy of 4f instabilities in rare-earth systems (invited)}, journal = {Journal of Applied Physics}, volume = {55}, note = {{\textquoteright}doi: 10.1021/acsenergylett.0c01132\n - I.Am.Hydrogen{\textquoteright} {\textquoteright}\n - jyoungstrom{\textquoteright} {\textquoteright}Jason thinks this is great.\n~\n - jyoungstrom{\textquoteright} {\textquoteright}\n - estechel{\textquoteright} }, pages = {1910-1915}, issn = {0021-8979}, doi = {10.1063/1.333517}, url = {https://aip.scitation.org/doi/abs/10.1063/1.333517}, author = {G. Kaindl and G. Kalkowski and W. D. Brewer and B. Perscheid and F. Holtzberg} }