More Like this

1. Interpretation of the Na ⁺ Ionic Conductivity in Na ₄ P ₂ S _7–x O _x Mixed Oxy-Sulfide Glasses: Effects of Oxygen Doping

   https://doi.org/10.1021/acs.chemmater.2c01934  

   Kmiec, Steven ; Olson, Madison ; Kenney, Matthew ; Martin, Steve W. ( November 2022 , Chemistry of Materials)
2. a -axis YBa ₂ Cu ₃ O _7−x /PrBa ₂ Cu ₃ O _7−x /YBa ₂ Cu ₃ O _7−x trilayers with subnanometer rms roughness

   https://doi.org/10.1063/5.0034648  

   Suyolcu, Y. Eren ; Sun, Jiaxin ; Goodge, Berit H. ; Park, Jisung ; Schubert, Jürgen ; Kourkoutis, Lena F. ; Schlom, Darrell G. ( February 2021 , APL Materials)
3. 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$4f^{7}6s^2{}^8{S}_{7/2}^{\circ <\#comment/>}\to <\#comment/>4f^7{(}^8{S}^{\circ <\#comment/>})6s6p{(}^1{P}^{\circ <\#comment/>}){}^8{P}_{9/2}$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$\mathrm{A}(151)=-<\#comment/>228.84(2)\mathrm{M}\mathrm{H}\mathrm{z}$,$\mathrm{B}(151)=226.9(5)\mathrm{M}\mathrm{H}\mathrm{z}$and$\mathrm{A}(153)=-<\#comment/>101.87(6)\mathrm{M}\mathrm{H}\mathrm{z}$,$\mathrm{B}(153)=575.4(1.5)\mathrm{M}\mathrm{H}\mathrm{z}$, 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.
4. The benefit of Ca in improving pinning of BaZrO ₃ -Y ₂ O ₃ doubly-doped YBa ₂ Cu ₃ O _7-x /Ca _0.3 Y _0.7 Ba ₂ Cu ₃ O _7-x multilayer nanocomposite films

   https://doi.org/10.1088/2053-1591/acc7e3  

   Panth, Mohan ; Ogunjimi, Victor ; Sebastian, Mary Ann ; Gautam, Bibek ; Haugan, Timothy ; Wu, Judy ( April 2023 , Materials Research Express)

   Abstract This work examines the pinning enhancement in BaZrO 3 (BZO) +Y 2 O 3 doubly-doped (DD) YBa 2 Cu 3 O 7 (YBCO) nanocomposite multilayer (DD-ML) films. The film consists of two 10 nm thin Ca 0.3 Y 0.7 Ba 2 Cu 3 O 7-x (CaY-123) spacers stacking alternatively with three BZO + Y 2 O 3 /YBCO layers of 50 nm each in thickness that contain 3 vol% of Y 2 O 3 and BZO doping in the range of 2–6 vol%. Enhanced magnetic vortex pinning and improved pinning isotropy with respect to the orientation of magnetic field (B) have been achieved in the DD-ML samples at lower BZO doping as compared to that in the single-layer counterparts (DD-SL) without the CaY-123 spacers. For example, the pinning force density ( F p ) of ∼58 GNm −3 in 2 vol.% of DD-ML film is ∼110% higher than in 2 vol% of DD-SL at 65 K and B // c -axis, which is attributed to the improved pinning efficiency by c -axis aligned BZO nanorods through diffusion of Calcium (Ca) along the tensile-strained channels at BZO nanorods/YBCO interface for improvement of the interface microstructure and hence pinning efficiency ofmore »BZO nanorods. An additional benefit is in the considerably improved J c ( θ ) and reduced J c anisotropy in the former over the entire range of the B orientations. However, at higher BZO doping, the BZO nanorods become segmented and misoriented, which may change the Ca diffusion pathways and reduce the benefit of Ca in improving the pinning efficiency of BZO nanorods.« less
5. Long-range magnetic order in the Heisenberg pyrochlore antiferromagnets $\mathrm{G}{\mathrm{d}}_2\mathrm{G}{\mathrm{e}}_2{\mathrm{O}}_7$ and $\mathrm{G}{\mathrm{d}}_2\mathrm{P}{\mathrm{t}}_2{\mathrm{O}}_7$ synthesized under high pressure

   https://doi.org/10.1103/PhysRevB.94.214429  

   Li, X. ; Cai, Y. Q. ; Cui, Q. ; Lin, C. J. ; Dun, Z. L. ; Matsubayashi, K. ; Uwatoko, Y. ; Sato, Y. ; Kawae, T. ; Lv, S. J. ; et al ( December 2016 , Physical Review B)