Superconductivity in high-pressure MnB4 is induced by altermagnetic spin fluctuations, yielding extended-s pairing symmetry.
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- method The results provide direct insight into how adsorbates can quench polaron conductivity, thereby establishing a clear link between atomistic charge transport and macroscopic sensing response. 2. Methods and Model The calculations were performed using density functional theory (DFT) employing the VASP software [15,16] using the PBE exchange correlation functional [17] as well as the PBE+U approach. The valence electrons were described using a plane wave basis with a 500 eV cutoff while the effect
- method contact the sample in the chamber. No pressure medium was used for these measurements. Pressure was determined using the ruby scale. 6 Density Functional Calculations First-principles calculations based on density functional theory (DFT) [ 16] were carried out with the PBEsol exchange-correlation energy functional [17] as it is implemented in the V ASP software [ 18]. The projector -augmented wave method (PAW) [ 19] was employed to represent the ionic cores by considering the following electroni
- method involved in this study are isolated Cu defects, Cu-B, Cu-P, and Cu-H complexes. We also re-examine the possible configurations for CuPL. Our calculated transition levels, obtained with finite-size corrections, show good consistency with experimental observations. 2. Methods Ourcalculationswerecarriedoutusingthe VASPcode[37], based on the generalized Kohn-Sham theory and the HSE06 hybrid functional [38]. The interactions between valence electrons and ionic cores were treated with the projected- a
- method control that does not rely on SOC [59]. We believe our findings will facilitate the exper- imental exploration of the identified candidates, paving the way for the development of next-generation spintronic devices. 4 Materials and Methods First-principles Calculations All first-principles calculations are performed using the Vienna Ab initio Simulation Pack- age [60] based on DFT. The projector augmented-wave method is employed to describe 12 the interaction between core and valence electrons [6
- method control the band gap, optical absorption, lattice stiffness, thermal transport, and Se ebeck response under ambient condition. . 2. COMPUTATIONAL DETAILS The optoelectronic and thermoelectric properties of cubic (F -43m) and hexagonal (P63mc) aluminum antimonide (AlSb ) were investigated using density functional theory as implemented in the Vienna ab initio simulation package (VASP) [31]. The interaction between electrons and ions was described using the projector augmented -wave (PAW) method, w
- method , Furthm¨ uller, J.: Efficiency of ab-initio total energy calculations for metals and semiconductors using a plane-wave basis set. Computational Materials Science6(1), 15-50 (1996) https://doi.org/10.1016/0927-0256(96)00008-0 [27] Bl¨ ochl, P.E.: Projector augmented-wave method. Physical Review B50(24), 17953 (1994) https://doi.org/10.1103/physrevb.50.17953 [28] Kresse, G., Furthm¨ uller, J.: Efficient iterative schemes for ab initio total-energy calculations using a plane-wave basis set. Physic
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Accelerating Locality-Driven Integration in Quantum Chemistry with Block-Structured Matrix Multiplication
KerneLDI accelerates exchange-correlation integration in Kohn-Sham DFT by up to 10x through block-structured matrix multiplication that exploits spatial locality on GPUs while preserving accuracy.