From Positive to Negative Zero-Field Splitting in a Series of Strongly Magnetically Anisotropic Mononuclear Metal Complexes.
Sign Up to like & getrecommendations! Published in 2017 at "Inorganic chemistry"
DOI: 10.1021/acs.inorgchem.7b01861
Abstract: A series of mononuclear [M(hfa)2(pic)2] (Hhfa = 1,1,1,5,5,5-hexafluoro-2,4-pentanedione; pic = 4-methylpyridine; M = FeII, CoII, NiII, ZnII) compounds were obtained and characterized. The structures of the complexes have been resolved by single-crystal X-ray diffraction, indicating… read more here.
Keywords: positive negative; field; field splitting; zero field ... See more keywords
Integration of negative, zero and positive linear thermal expansion makes borate optical crystals light transmission temperature-independent.
Sign Up to like & getrecommendations! Published in 2022 at "Materials horizons"
DOI: 10.1039/d2mh00273f
Abstract: Negative and zero thermal expansion (NTE and ZTE) materials are widely adopted to eliminate the harmful effect from the "heat expansion and cool contraction" effect and frequently embrace novel fundamental physicochemical mechanisms. To date, the… read more here.
Keywords: borate optical; negative zero; thermal expansion; optical crystals ... See more keywords
Particles of Negative and Zero Energy in Black Holes and Cosmological Models
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DOI: 10.3390/universe9050217
Abstract: Particles with negative energies are considered for three different cases: inside the horizon of a Schwarzschild black hole, Milne’s coordinates in flat Minkowski space–time (Milne’s universe using nonsynchronous coordinates) and in the cosmological Gödel model… read more here.
Keywords: energy black; negative zero; zero energy; particles negative ... See more keywords