spin crossover transition
Complexities in the Molecular Spin Crossover Transition
... the spin crossover transition, 13 is possible and might be associated with a change in the dielectric ...electronic transition would ...
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Locking and Unlocking the Molecular Spin Crossover Transition
... low spin state (as is evident in magnetometry and as discussed ...a spin crossover transition, leading to an increase in the HS state population by 5 to 10%, but remaining far from the nearly ...
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Surface-induced spin state locking of the [Fe(H2B(pz)2)2(bipy)] spin crossover complex
... SCO transition temperature? As noted above, it is already known [16, 18] that a conducting substrate, like Au(111), tends to pin more than 50% of several SCO complexes in the high spin state even well below ...
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Drastic lattice softening in mixed triazole ligand iron( ii ) spin crossover nanoparticles
... hysteresis width and the abruptness of the transition decrease. These phenomena become more pronounced in sample 4. Figure S3 shows representative Mössbauer spectra of sample 4 at 340 and 80 K, while the ...
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Mechano-electric coupling in P(VDF–TrFE)/spin crossover composites
... Overall, these results provide clear proof for the possibility of combining the pyroelectric response of the polymer with the piezoelectric effect arising due to the SCO. Nevertheless, to exploit this combined effect for ...
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Fragmentation and Distortion of Terpyridine-Based Spin-Crossover Complexes on Au(111)
... adsorbed spin-crossover complexes, we re- frain from doing so in the present case for two ...different spin states relative to the bulk com- pound may be ...
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Micromachining-compatible, facile fabrication of polymer nanocomposite spin crossover actuators
... [Fe II (Htrz)2(trz)](BF4) spin crossover particles of 85 nm mean size are dispersed in an SU-8 polymer matrix and spray-coated onto silicon microcantilevers. The subsequent photothermal treatment of the ...
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Micromachining-Compatible, Facile Fabrication of Polymer Nanocomposite Spin Crossover Actuators
... arising from the strain ε SCO is described by the well-known Timoshenko formula, [20] from which the Young’s modulus E of the nanocomposite film was extracted by taking into account the cantilever geometry. The strain is ...
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Lattice dynamics in spin-crossover nanoparticles through nuclear inelastic scattering
... of spin transition [ 2 ] and its spatiotemporal dynamics [ 3 , 4 ...their spin-state dependence is of significant ...one spin state), using AFM [ 9 ], x-ray diffraction [ 10 , 11 ], and ...
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Crossover from Spin Accumulation into Interface States to Spin Injection in the Germanium Conduction Band
... the spin signal [ 34 ...ing spin signal variation at 300 K is reported in ...significant spin signal increase whereas almost no variation is observed at 10 K (not ...clear transition occurs ...
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Micromachining-compatible, facile fabrication of polymer nanocomposite spin crossover actuators
... we succeeded in elaborating smooth, homogeneous films of nanoparticles of the molecule-based spin crossover complex [Fe(Htrz) 2 (trz)](BF 4 ) in an SU-8 polymer matrix with thick- nesses in the micrometer ...
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Coupling Mechanical and Electrical Properties in Spin Crossover Polymer Composites
... states (< 10 –6 S cm –1 ), which is a useful property as it allows to keep small the leakage currents in the composite material. In fact, the observation of such important discharge peaks would be impossible with a ...
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Nano-electromanipulation of Spin Crossover Nanorods: Towards Switchable Nanoelectronic Devices
... of Spin Crossover Nanorods: Towards Switchable Nanoelectronic Devices Switching the electronic or magnetic states of molecules or assemblies of molecules is one of the foremost paradigms in molecular ...
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Piezoresistive effect in the [Fe(Htrz)2(trz)](BF4) spin crossover complex
... molecular spin crossover (SCO) compounds present a special interest due to their response to various external stimuli that might lead to a wide range of potential ...This spin state switching leads ...
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Calculs DFT et propriétés électriques de complexes à transition de spin
... la transition de spin thermique y est ...une transition de spin indirecte, par exemple l’effet ...de spin à un autre sous l’effet d’une perturbation extérieure, soit une conversion ...
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High spatial resolution investigation of spin crossover phenomena using scanning probe microscopies
... molecular spin-state changes in very small amounts of matter, ideally in a single, isolated ...the spin state changes in a single nanometric ob- ...the spin transition in individ- ual ...
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Piezoresistive Effect in the [Fe(Htrz)2(trz)](BF4) Spin Crossover Complex
... isostructural and that no lattice solvent is involved makes 1 a benchmark compound for different investigations. Magnetic measurements were used to confirm the thermal SCO in a polycrystalline sample at around 365 K as ...
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Impact of the spin state switching on the dielectric constant of iron (II) spin crossover nanoparticles
... a spin state transition can be easily monitored, very little is known about the evolution of their index of refraction [20] ...with spin transition of SCO NPs in the UV, visible and near IR ...
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Mechano-electric coupling in P(VDF–TrFE)/spin crossover composites
... Spin crossover particles dispersed in a piezo/ferroelectric poly(vinylidene fluoride-co-trifluoro-ethylene), P(VDF TrFE), rnatrix give rise to inspiring rnechano-electric phenomena, with possible ...
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Role of surface vibrational properties on cooperative phenomena in spin-crossover nanomaterials
... the transition temperature and the existence of a residual HS fraction at low temperatures and are interpreted as a “negative pressure,” which acts on the nanoparticle ...the transition temperature has been ...
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