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Articles by A. Ariando
High-field-stabilized reentrant superconductivity in infinite-layer nickelate thin films
Abstract Magnetic fields typically suppress superconductivity through Pauli and orbital limiting effects. However, there are rare instances of magnetic-field-induced superconductivity, as observed in Chevrel-phase compounds, organic conductors, uranium-based heavy-fermion systems, and moiré graphene—although these materials possess inherently low superconducting transition temperatures (Tc).
Persistent paramagnons in high-temperature infinite-layer nickelate superconductors
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Abstract The recent discovery of high-temperature superconductivity in hole-doped SmNiO2, exhibiting the record-high transition temperature Tc among infinite-layer (IL) nickelates, has opened a new avenue for exploring design principles of superconductivity. Experimentally determining the electronic structure and magnetic interactions in this new system is crucial to elucidating the mechanism behind the enhanced superconductivity.
By Yujie Yan, Ying Chan, Zhaoyang Luo, Yuehong Li, Tianren Wang, Yuetong Wu, Izabela Biało, Nurul Ainun Fitriyah, Saurav Prakash, Xing Gao, Yau Yip, Qiang Gao, Xiaolin Ren, Jaewon Choi, Jun Okamoto, Xingjiang Zhou, Zhihai Zhu, Mirian García-Fernández, Ke-Jin Zhou, Hsiao-Yu Huang, Di-Jing Huang, Johan Chang, A. Ariando, Qisi Wang, Xunyang Hong, Ganesha Channagowdra
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Nature
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Bulk superconductivity near 40 K in hole-doped SmNiO2 at ambient pressure - Nature
Abstract The discovery of superconductivity in the Ba-La-Cu-O system (the cuprate) in the 30 K range marked a significant breakthrough, which inspired extensive explorations of oxide based layered superconductors to identify electron pairing with higher critical temperatures (Tc)1.
Nickel Age of High‐Temperature Superconductivity
1 Introduction Superconductivity is a phenomenon where electrons form a bound state (Cooper pairs) under a negative potential, overcoming their natural Coulomb repulsion.[1-3] Since its discovery in 1911 in elemental metal mercury, a key question has been whether there is a maximum energy limit for this bound state, known as the superconducting energy gap.[4] A large superconducting gap energy is essential for the applications of superconducting dissipationless electronics under ambient...
Spatially reconfigurable antiferromagnetic states in topologically rich free-standing nanomembranes - Nature Materials
Abstract Antiferromagnets hosting real-space topological textures are promising platforms to model fundamental ultrafast phenomena and explore spintronics. However, they have only been epitaxially fabricated on specific symmetry-matched substrates, thereby preserving their intrinsic magneto-crystalline order. This curtails their integration with dissimilar supports, restricting the scope of fundamental and applied investigations.
High‐Quality NiFe Thin Films on Oxide/Non‐Oxide Platforms via Pulsed Laser Deposition at Room Temperature
1 Introduction Since Arnold and Elmen originally discovered permalloy (NiFe) in 1923, it has attracted tremendous research interest because of its highly desirable properties, such as high permeability, low coercivity, and near-zero magnetostriction.[1] After decades, thin films of permalloy were reported in the 1950s.[2-4] The essential features of thin permalloy films that anisotropy fields of a few Oe and significant saturation magnetization were obtained.[4] Due to the attractive...
Two-dimensional ferroelectricity in a single-element bismuth monolayer - Nature
Abstract Ferroelectric materials are fascinating for their non-volatile switchable electric polarizations induced by the spontaneous inversion-symmetry breaking. However, in all of the conventional ferroelectric compounds, at least two constituent ions are required to support the polarization switching1,2.
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