Thomas Johnson

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cond-mat.str-el2026

Charge order-driven nematicity in the nickel-pnictide superconductor Ba $_{1 - x}$ Sr $_{x}$ Ni $_{2}$ As $_{2}$

Thomas Johnson, Camille Bernal-Choban, Sangjun Lee +8

Nematic order refers to the spontaneous breaking of rotational symmetry while preserving translational symmetry. First identified in classical liquid crystals, nematic order arises…

cond-mat.str-el2025

Growth of ultra-clean single crystals of RuO2

Shubhankar Paul, Giordano Mattoni, Hisakazu Matsuki +4

We report the details of the growth of ultra-clean single crystals for RuO2, a candidate material for altermagnetism. By using a crystal-growth tube with a necking structure and pr…

Charge order-driven nematicity in the nickel-pnictide superconductor Ba1−x​Srx​Ni2​As2​

Growth of ultra-clean single crystals of RuO2

Charge order-driven nematicity in the nickel-pnictide superconductor Ba $_{1 - x}$ Sr $_{x}$ Ni $_{2}$ As $_{2}$