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10.1038/ncomms8469 http://scihub22266oqcxt.onion/10.1038/ncomms8469 C4490386!4490386!26076656     free     free     free Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534       Nat+Commun 2015 ; 6 (ä): ä Nephropedia Template TP {{tp|p=26076656|t=2015. Quantum ferroelectricity in charge-transfer complex crystals |pdf=|usr=}}{{26076656}} gab.com Text Quantum ferroelectricity in charge-transfer complex crystals JO: Nat Commun http://www.kidney.de/pget.php?&tw=1&pmid=26076656 #FOAvip Quantum phase transition achieved by fine tuning the continuous phase transition down to zero kelvin is a challenge for solid state science. Critical phenomena distinct from the effects of thermal fluctuations can materialize when the electronic, structural or magnetic long-range order is perturbed by quantum fluctuations between degenerate ground states. Here we have developed chemically pure tetrahalo-p-benzoquinones of n iodine and 4?n bromine substituents (QBr4?nIn, n=0?4) to search for ferroelectric charge-transfer complexes with tetrathiafulvalene (TTF). Among them, TTF?QBr2I2 exhibits a ferroelectric neutral?ionic phase transition, which is continuously controlled over a wide temperature range from near-zero kelvin to room temperature under hydrostatic pressure. Quantum critical behaviour is accompanied by a much larger permittivity than those of other neutral?ionic transition compounds, such as well-known ferroelectric complex of TTF?QCl4 and quantum antiferroelectric of dimethyl?TTF?QBr4. By contrast, TTF?QBr3I complex, another member of this compound family, shows complete suppression of the ferroelectric spin-Peierls-type phase transition. Twit Text FOAVip Quantum ferroelectricity in charge-transfer complex crystals ????Nat Commun http://www.kidney.de/pget.php?&tw=1&pmid=26076656 #FOAvip Twit Text # Free Paper on # # # # # LINK http://www.kidney.de/pget.php?&tw=1&pmid=26076656 #FOAvip English Wikipedia <ref>{{Cite pmid|26076656}}</ref> Quantum ferroelectricity in charge-transfer complex crystals #MMPMID26076656 Horiuchi S; Kobayashi K; Kumai R; Minami N; Kagawa F; Tokura Y Nat Commun 2015[]; 6 (ä): ä PMID26076656show ga Quantum phase transition achieved by fine tuning the continuous phase transition down to zero kelvin is a challenge for solid state science. Critical phenomena distinct from the effects of thermal fluctuations can materialize when the electronic, structural or magnetic long-range order is perturbed by quantum fluctuations between degenerate ground states. Here we have developed chemically pure tetrahalo-p-benzoquinones of n iodine and 4?n bromine substituents (QBr4?nIn, n=0?4) to search for ferroelectric charge-transfer complexes with tetrathiafulvalene (TTF). Among them, TTF?QBr2I2 exhibits a ferroelectric neutral?ionic phase transition, which is continuously controlled over a wide temperature range from near-zero kelvin to room temperature under hydrostatic pressure. Quantum critical behaviour is accompanied by a much larger permittivity than those of other neutral?ionic transition compounds, such as well-known ferroelectric complex of TTF?QCl4 and quantum antiferroelectric of dimethyl?TTF?QBr4. By contrast, TTF?QBr3I complex, another member of this compound family, shows complete suppression of the ferroelectric spin-Peierls-type phase transition. äQuantum ferroelectricity in charge-transfer complex crystals (epmc).pdf DeepDyve Pubget Overpricing