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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 (September 2022, Journal of the Optical Society of America B)

   We report on spectroscopic measurements on the $4f^{7}6s^2{}^8{S}_{7/2}^{\circ <\#comment/>}\to <\#comment/>4f^7{(}^8{S}^{\circ <\#comment/>}\left)6s6p{(}^1{P}^{\circ <\#comment/>}\right){}^8{P}_{9/2}$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 $6s6p{(}^1{P}^{\circ <\#comment/>}){}^8{P}_{9/2}$state were found to be $\mathrm{A}\left(151\right)=-<\#comment/>228.84\left(2\right)\mathrm{M}\mathrm{H}\mathrm{z}$, $\mathrm{B}\left(151\right)=226.9\left(5\right)\mathrm{M}\mathrm{H}\mathrm{z}$and $\mathrm{A}\left(153\right)=-<\#comment/>101.87\left(6\right)\mathrm{M}\mathrm{H}\mathrm{z}$, $\mathrm{B}\left(153\right)=575.4\left(1.5\right)\mathrm{M}\mathrm{H}\mathrm{z}$, 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. A comprehensive approach for elucidating the interplay between 4f ⁿ⁺¹ and 4f ⁿ 5d ¹ configurations in Ln ²⁺ complexes

   https://doi.org/10.1039/d4sc05438e  

   Beltran-Leiva, Maria J; Moore, William_N G; Jenkins, Tener F; Evans, William J; Albrecht, Thomas E; Celis-Barros, Cristian (January 2025, Chemical Science)

   To advance our ability to control the electronic properties of divalent lanthanides, the interplay between deformation densities, 4f interelectronic repulsion, and ligand field effects is discussed to predict the nature of their ground states. 

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