Yttrium and all lanthanides except Ce and Pm have been observed in the oxidation state 0 in bis(1,3,5-tri-t-butylbenzene) complexes, see Cloke, F. Geoffrey N. Zero Oxidation State Compounds of Scandium, Yttrium, and the Lanthanides. Chem. Soc. Rev. 1993, 22: 17–24. doi:10.1039/CS9932200017. and Arnold, Polly L.; Petrukhina, Marina A.; Bochenkov, Vladimir E.; Shabatina, Tatyana I.; Zagorskii, Vyacheslav V.; Cloke. Arene complexation of Sm, Eu, Tm and Yb atoms: a variable temperature spectroscopic investigation. Journal of Organometallic Chemistry. 2003-12-15, 688 (1–2): 49–55. doi:10.1016/j.jorganchem.2003.08.028.
Per Teodor Cleve. Sur deux nouveaux éléments dans l'erbine. Comptes rendus de l'Académie des sciences. 1879, 89: 478–480 [2021-06-06]. (原始内容存档于2021-06-25). Cleve named holmium on p. 480: "Je propose pour ce métal le nom de holmium, Ho, dérivé du nom latinisé de Stockholm, dont les environs renferment tant de minéraux riches en yttria." (I propose for this metal the name of "holmium", Ho, [which is] derived from the Latin name for Stockholm, the environs of which contain so many minerals rich in yttrium.)
Per Teodor Cleve. Sur l'erbine. Comptes rendus de l'Académie des sciences. 1879, 89: 708 [2021-06-06]. (原始内容存档于2021-10-30).
Yttrium and all lanthanides except Ce and Pm have been observed in the oxidation state 0 in bis(1,3,5-tri-t-butylbenzene) complexes, see Cloke, F. Geoffrey N. Zero Oxidation State Compounds of Scandium, Yttrium, and the Lanthanides. Chem. Soc. Rev. 1993, 22: 17–24. doi:10.1039/CS9932200017. and Arnold, Polly L.; Petrukhina, Marina A.; Bochenkov, Vladimir E.; Shabatina, Tatyana I.; Zagorskii, Vyacheslav V.; Cloke. Arene complexation of Sm, Eu, Tm and Yb atoms: a variable temperature spectroscopic investigation. Journal of Organometallic Chemistry. 2003-12-15, 688 (1–2): 49–55. doi:10.1016/j.jorganchem.2003.08.028.
Yiguo Su; Li, Guangshe; Chen, Xiaobo; Liu, Junjie; Li, Liping. Hydrothermal Synthesis of GdVO4:Ho3+ Nanorods with a Novel White-light Emission. Chemistry Letters. 2008, 37 (7): 762–763. doi:10.1246/cl.2008.762.
Wollin, T. A.; Denstedt, J. D. The holmium laser in urology. Journal of Clinical Laser Medicine & Surgery. Feb 1998, 16 (1): 13–20. PMID 9728125. doi:10.1089/clm.1998.16.13.
Ming-Chen Yuan; Jeng-Hung Lee & Wen-Song Hwang. The absolute counting of 166mHo, 58Co and 88Y. Applied Radiation and Isotopes. 2002, 56 (1–2): 429–434. PMID 11839051. doi:10.1016/S0969-8043(01)00226-3.
Forrester, Patrick Robert; Patthey, François; Fernandes, Edgar; Sblendorio, Dante Phillipe; Brune, Harald; Natterer, Fabian Donat. Quantum state manipulation of single atom magnets using the hyperfine interaction. Physical Review B. 2019-11-19, 100 (18): 180405. Bibcode:2019PhRvB.100r0405F. ISSN 2469-9950. doi:10.1103/PhysRevB.100.180405(英语).
Forrester, Patrick Robert; Patthey, François; Fernandes, Edgar; Sblendorio, Dante Phillipe; Brune, Harald; Natterer, Fabian Donat. Quantum state manipulation of single atom magnets using the hyperfine interaction. Physical Review B. 2019-11-19, 100 (18): 180405. Bibcode:2019PhRvB.100r0405F. ISSN 2469-9950. doi:10.1103/PhysRevB.100.180405(英语).
Hudson Institute of Mineralogy. Mindat.org. www.mindat.org. 1993–2018 [14 January 2018]. (原始内容存档于2011-04-22).
nih.gov
ncbi.nlm.nih.gov
Wollin, T. A.; Denstedt, J. D. The holmium laser in urology. Journal of Clinical Laser Medicine & Surgery. Feb 1998, 16 (1): 13–20. PMID 9728125. doi:10.1089/clm.1998.16.13.
Per Teodor Cleve. Sur deux nouveaux éléments dans l'erbine. Comptes rendus de l'Académie des sciences. 1879, 89: 478–480 [2021-06-06]. (原始内容存档于2021-06-25). Cleve named holmium on p. 480: "Je propose pour ce métal le nom de holmium, Ho, dérivé du nom latinisé de Stockholm, dont les environs renferment tant de minéraux riches en yttria." (I propose for this metal the name of "holmium", Ho, [which is] derived from the Latin name for Stockholm, the environs of which contain so many minerals rich in yttrium.)
Per Teodor Cleve. Sur l'erbine. Comptes rendus de l'Académie des sciences. 1879, 89: 708 [2021-06-06]. (原始内容存档于2021-10-30).
Forrester, Patrick Robert; Patthey, François; Fernandes, Edgar; Sblendorio, Dante Phillipe; Brune, Harald; Natterer, Fabian Donat. Quantum state manipulation of single atom magnets using the hyperfine interaction. Physical Review B. 2019-11-19, 100 (18): 180405. Bibcode:2019PhRvB.100r0405F. ISSN 2469-9950. doi:10.1103/PhysRevB.100.180405(英语).