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1. Phosphorescence in Mn ⁴⁺ -Doped R ⁺ / R ²⁺ Germanates ( R ⁺ = Na ⁺ or K ⁺ , R ²⁺ = Sr ²⁺ )

   https://doi.org/10.1021/acs.inorgchem.2c01364  

   Novikov, Sergei A.; Lu, Yimin; Zhang, Weiguo; Halasyamani, P. Shiv; Hariyani, Shruti; Brgoch, Jakoah; Klepov, Vladislav V.; zur Loye, Hans-Conrad; Mozharivskyj, Yurij (June 2022, Inorganic Chemistry)
2. Layered and Cubic Semiconductors A Ga M ′ Q ₄ ( A ⁺ = K ⁺ , Rb ⁺ , Cs ⁺ , Tl ⁺ ; M ′ ⁴⁺ = Ge ⁴⁺ , Sn ⁴⁺ ; Q ^2– = S ^2– , Se ^2– ) and High Third-Harmonic Generation

   https://doi.org/10.1021/jacs.0c08638  

   Friedrich, Daniel; Byun, Hye Ryung; Hao, Shiqiang; Patel, Shane; Wolverton, Chris; Jang, Joon Ik; Kanatzidis, Mercouri G. (October 2020, Journal of the American Chemical Society)

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3. The Matrix Equation X ³ + Y ³ = 2 Z ³

   https://doi.org/10.1080/00029890.2024.2409065  

   Garcia, Stephan Ramon; Rajkhowa, Juganta; Sarma, Kuldeep (January 2025, The American Mathematical Monthly)
4. Spectroscopic study of the 4 f ⁷ 6 s ^{2 8} S 7/2∘−4 f ⁷ ( ⁸ S ^∘ )6 s 6 p ( ¹ P ^∘ ) ⁸ P _9/2 transition in neutral europium-151 and europium-153: absolute frequency and hyperfine structure

   https://doi.org/10.1364/JOSAB.467968  

   Herd, M. T.; Maruko, C.; Herzog, M. M.; Brand, A.; Cannon, G.; Duah, B.; Hollin, N.; Karani, T.; Wallace, A.; Whitmore, M.; et al (January 2022, Journal of the Optical Society of America B)

   We report on spectroscopic measurements on the 4 f 7 6 s 2 8 S 7 / 2 ∘ → 4 f 7 ( 8 S ∘ ) 6 s 6 p ( 1 P ∘ ) 8 P 9 / 2 transition in neutral europium-151 and europium-153 at 459.4 nm. The center of gravity frequencies for the 151 and 153 isotopes, reported for the first time in this paper, to our knowledge, were found to be 652,389,757.16(34) MHz and 652,386,593.2(5) MHz, respectively. The hyperfine coefficients for the 6 s 6 p ( 1 P ∘ ) 8 P 9 / 2 state were found to be A ( 151 ) = − 228.84 ( 2 ) M H z , B ( 151 ) = 226.9 ( 5 ) M H z and A ( 153 ) = − 101.87 ( 6 ) M H z , B ( 153 ) = 575.4 ( 1.5 ) M H z , which all agree with previously published results except for A(153), which shows a small discrepancy. The isotope shift is found to be 3163.8(6) MHz, which also has a discrepancy with previously published results. 

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5. Conversion of He(2 ³ S ) to He ₂ ( a ³ Σ _u ⁺ ) in Liquid Helium

   https://doi.org/10.1021/acs.jpclett.8b02454  

   Nijjar, P.; Krylov, A. I.; Prezhdo, O. V.; Vilesov, A. F.; Wittig, C. (September 2018, The Journal of Physical Chemistry Letters)