Single-crystal NaAlSi Shows Unconventional Superconductivity

The Mysterious Superconductivity of Sr₂RuO₄

Superconductivity

Researchers review the recent advancements made towards solving the mysteries of the unconventional superconductivity of Sr₂RuO₄, analyzing recent experiments and theoretical models and proposing approaches to resolve current challenges.

Discovery of Unconventional Pressure-Induced Superconductivity in CrAs

Superconductivity

Electronic transport in condensed matter

A new study has discovered pressure-induced superconductivity in the helimagnet CrAs, originating in the vicinity of the helimagnetic ordering, representing the first example of superconductivity in Cr-based magnetic systems.

Microscopic Exploration of Electronic States in Nickelate Superconductors

Magnetic properties in condensed matter

Superconductivity

The multilayered nickelates, La₃Ni₂O₇ and La₄Ni₃O₁₀ , were investigated using nuclear magnetic resonance (NMR) at ambient pressure. Metallic electronic states under the density wave order were observed microscopically for both compounds.

Single-Crystal Growth of a Cuprate Superconductor with the Highest Critical Temperature

Superconductivity

Millimeter-sized single crystals of a trilayer cuprate superconductor (Hg,Re)Ba₂Ca₂Cu₃O_8+δ that exhibits the highest superconducting transition temperature under ambient pressure, were grown reproducibly and safely.

Cooking in Salt for Ultra-Clean Superconductor UTe₂

Superconductivity

A new crystal growth technique, the molten salt flux liquid transport method, was developed to produce high-quality single crystals of spin-triplet superconductor UTe₂. This method is promising for exploring the exotic superconductivity of other materials.