Integrating machine learning with advanced processing and characterization for polycrystalline materials: a methodology review and application to iron-based superconductors by Akiyasu Yamamoto, Akinori Yamanaka, Kazumasa Iida, Yusuke Shimada, Satoshi Hata

“…Finally, future challenges and prospects for data-driven material development and iron-based superconductors are discussed.…”
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Single Charge Current in a Normal Mesoscopic Region Attached to Superconductor Leads via a Coupled Poisson Nonequilibrium Green Function Formalism by David Verrilli, F. P. Marin, Rafael Rangel

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Sensitive dependence of pairing symmetry on Ni-e g crystal field splitting in the nickelate superconductor La3Ni2O7 by Chengliang Xia, Hongquan Liu, Shengjie Zhou, Hanghui Chen

“…Our work highlights the sensitive dependence of pairing symmetry on low-energy electronic structures in multi-orbital superconductors, which calls for care in the downfolding procedure when one calculates their pairing symmetry.…”
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Theoretical Investigation of the Interplay of Superconductivity and Magnetism in Ba1−xKxFe2As2 Superconductor in a Two-Band Model by Using the Bogoliubov Transformation Formalism by Gedefaw Mebratie, Tigabu Bekele

“…The main focus of this article is to investigate the theoretical interplay of magnetism and superconductivity in a two-band model for the iron-based superconductor Ba1−xKxFe2As2. On the basis of experimental results, the two-band model Hamiltonian was considered. …”
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Gap Structure of the Overdoped Iron-Pnictide Superconductor Ba(Fe0.942Ni0.058)2As2: A Low-Temperature Specific-Heat Study by Gang Mu, Bo Gao, Xiaoming Xie, Yoichi Tanabe, Jingtao Xu, Jiazhen Wu, Katsumi Tanigaki

“…Our observation is similar to that observed in the Co-doped system in our previous work and is consistent with the theoretical prediction for a superconductor with line nodes in the energy gap.…”
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A CaAl2Si2-Type Magnetic Semiconductor (Sr, Na)(Zn, Mn)2Sb2 Isostructural to 122-Type Iron-Based Superconductors by Yilun Gu, Rufei Zhang, Haojie Zhang, Licheng Fu, Guoxiang Zhi, Jinou Dong, Xueqin Zhao, Lingfeng Xie, Fanlong Ning

“…A new diluted magnetic semiconductor (Sr, Na)(Zn, Mn)2Sb2 has been successfully synthesized by doping Na and Mn into the parent compound SrZn2Sb2, which has a CaAl2Si2-type crystal structure (space group P3¯m1, No. 164, hP5) isostructural to the 122-type iron-based superconductor CaFe2As2. No magnetic ordering has been observed when only spins are doped by (Zn, Mn) substitution. …”
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Transport Critical Current Density of (Bi1.6Pb0.4)Sr2Ca2Cu3O10 Ceramic Superconductor with Different Nanosized Co3O4 Addition by Nur Jannah Azman, Huda Abdullah, Roslan Abd-Shukor

“…The effect of different nanosized Co3O4 (10, 30, and 50 nm) addition on the Bi1.6Pb0.4Sr2Ca2Cu3O10(Co3O4)x superconductor with x=0–0.05 wt.% has been investigated using X-ray diffraction method, scanning electron microscopy, transition temperature, and critical current density Jc measurements. …”
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Effects of Homogeneous Doping on Electron–Phonon Coupling in SrTiO₃ by Minwoo Park, Suk Bum Chung

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Flux pinning in superconducting multilayer 2H-NbSe2 nano-step junction by Minseong Kwon, Mingi Kim, Yoonji Gong, Heeyeon Lee, Young Duck Kim

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Quasi one-dimensional organic conductors: from Fröhlich conductivity and Peierls insulating state to magnetically-mediated superconductivity, a retrospective by Jerome, Denis, Bourbonnais, Claude

Subjects: “…Organic conductors and superconductors…”
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Discovery of new topological insulators and semimetals using deep generative models by Tao Hong, Taikang Chen, Dalong Jin, Yu Zhu, Heng Gao, Kun Zhao, Tongyi Zhang, Wei Ren, Guixin Cao

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Electrostatic Potential in High-Temperature Superconducting Cuprates: Extended Ginzburg-Landau Theory by Madhuparna Karmakar

“…The electrostatic potential and the associated charge distribution in the vortices of high-𝑇𝑐 superconductors involving mixed symmetry state of the order parameters have been studied. …”
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Induced Representation Method in the Theory of Electron Structure and Superconductivity by V. G. Yarzhemsky

“…It is proved that the nodal structure of topological superconductors in the case of multidimensional irreducible representations is defined by additional quantum numbers. …”
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A Schematic Two Overlapping-Band Model for Superconducting Sulfur Hydrides: The Isotope Mass Exponent by R. M. Méndez-Moreno

“…A multicomponent model within the BCS framework is proposed in this work for sulfur hydride superconductors. This model is used to evaluate some properties of the H3S superconductor. …”
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Misfit Strain in Superlattices Controlling the Electron-Lattice Interaction via Microstrain in Active Layers by Nicola Poccia, Alessandro Ricci, Antonio Bianconi

“…The shape resonances in these multigap superconductors is associated with the maximum 𝑇𝑐.…”
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Vortex confinement through an unquantized magnetic flux by Geunyong Kim, Jinyoung Yun, Jinho Yang, Ilkyu Yang, Dirk Wulferding, Roman Movshovich, Gil Young Cho, Ki-Seok Kim, Garam Hahn, Jeehoon Kim

“…Abstract Geometrically confined superconductors often experience a breakdown in the quantization of magnetic flux owing to the incomplete screening of the supercurrent against field penetration. …”
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High tolerance of the superconducting current to large grain boundary angles in potassium-doped BaFe2As2 by Takafumi Hatano, Dongyi Qin, Kazumasa Iida, Hongye Gao, Zimeng Guo, Hikaru Saito, Satoshi Hata, Yusuke Shimada, Michio Naito, Akiyasu Yamamoto

“…The θ c of several iron-based superconductors (IBSs) is larger than that of cuprates. …”
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Superconducting Properties of 3D Low-Density Translation-Invariant Bipolaron Gas by V. D. Lakhno

“…The results obtained are used to explain experiments on high-temperature superconductors.…”
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Charge doping into spin minority states mediates doubling of T C in ferromagnetic CrGeTe3 by Liam Trzaska, Lei Qiao, Matthew D. Watson, Monica Ciomaga Hatnean, Igor Marković, Edgar Abarca Morales, Tommaso Antonelli, Cephise Cacho, Geetha Balakrishnan, Wei Ren, Silvia Picozzi, Phil D. C. King

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Operator dimension parity fractionalization by Christopher W. Murphy

“…If the ℤ 4 is anomaly-free, such QFTs can be related to 3D topological superconductors. Additionally, imposing the ℤ 4 symmetry on the Standard Model effective field theory severely restricts the allowed processes that violate baryon and lepton numbers.…”
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