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15 papers
Ultrahigh Magnetic Field Phases in Frustrated Triangular-lattice Magnet CuCrO
Atsuhiko Miyata, Oliver Portugall, Daisuke Nakamura +2
The magnetic phases of a triangular-lattice antiferromagnet, CuCrO, were investigated in magnetic fields along to the axis, // [001], up to 120 T. Faraday rotation and…
The impact of the halide cage on the electronic properties of fully inorganic caesium lead halide perovskites
Z. Yang, A. Surrente, K. Galkowski +8
Perovskite solar cells with record power conversion efficiency are fabricated by alloying both hybrid and fully inorganic compounds. While the basic electronic properties of the hy…
Ultrahigh magnetic field spectroscopy reveals the band structure of the 3D topological insulator BiSe
A. Miyata, Z. Yang, A. Surrente +7
We have investigated the band structure at the point of the three-dimensional (3D) topological insulator BiSe using magneto-spectroscopy over a wide range of energies (…
Determination of the exciton binding energy and effective masses for the methylammonium and formamidinium lead tri-halide perovskite family
Krzysztof Galkowski, Anatolie Mitioglu, Atsuhiko Miyata +8
The family of organic-inorganic halide perovskite materials has generated tremendous interest in the field of photovoltaics due to their high power conversion efficiencies. There h…
Direct Measurement of the Exciton Binding Energy and Effective Masses for Charge carriers in an Organic-Inorganic Tri-halide Perovskite
Atsuhiko Miyata, Anatolie Mitioglu, Paulina Plochocka +5
Solar cells based on the organic-inorganic tri-halide perovskite family of materials have shown remarkable progress recently, offering the prospect of low-cost solar energy from de…
High Field magnetospectroscopy to probe the 1.4eV Ni color center in diamond
P. Plochocka, O. Portugall, P. Y. Solane +8
A magneto-optical study of the 1.4 eV Ni color center in boron-free synthetic diamond, grown at high pressure and high temperature, has been performed in magnetic fields up to 56 T…