Structural Transformations and Magnetic Effects Induced by Solvent Exchange in the Spin Crossover Complex [Fe(bpp)2][Cr(bpy)(ox)2]2

2005 ◽  
Vol 2005 (14) ◽  
pp. 2783-2787 ◽  
Author(s):  
Mari Carmen Giménez-López ◽  
Miguel Clemente-León ◽  
Eugenio Coronado ◽  
Francisco M. Romero ◽  
Sergiu Shova ◽  
...  
Keyword(s):  
Spin Crossover ◽  
Structural Transformations ◽  
Solvent Exchange ◽  
Magnetic Effects

scholarly journals Wavelength selective light-induced magnetic effects in the binuclear spin crossover compound{[Fe(bt)(NCS)2]2(bpym)}

2007 ◽  
Vol 75 (5) ◽  
Author(s):  
N. Ould Moussa ◽  
E. Trzop ◽  
S. Mouri ◽  
S. Zein ◽  
G. Molnár ◽  
...  
Keyword(s):  
Spin Crossover ◽  
Magnetic Effects

The ON–OFF switching of thermal spin crossover by interstitial solvent exchange in a layered ReV–CN–FeII coordination framework

2021 ◽  
Vol 129 (14) ◽  
pp. 143902
Author(s):  
Tomasz Charytanowicz ◽  
Jakub J. Zakrzewski ◽  
Katarzyna Dziedzic-Kocurek ◽  
Szymon Chorazy ◽  
Barbara Sieklucka
Keyword(s):  
Spin Crossover ◽  
Solvent Exchange ◽  
Coordination Framework

Phase Transitions in Multiferroic BiFeO3

2006 ◽  
Vol 987 ◽  
Author(s):  
Alexander G. Gavriliuk ◽  
Viktor Struzhkin ◽  
Igor S. Lyubutin ◽  
Ivan A. Trojan ◽  
Michael Y. Hu ◽  
...  
Keyword(s):  
High Pressure ◽  
Phase Transitions ◽  
Theoretical Consideration ◽  
Spin Crossover ◽  
High Pressures ◽  
Structural Transformations ◽  
Multiferroic Bifeo ◽  
Multiferroic Bifeo3 ◽  
Optical And Electronic Properties ◽  
Diamond Anvil

AbstractThe multiferroic BiFeO3 crystals were studied under high pressures up to 70 GPa created in diamond anvil cells. Electronic, magnetic and structural transformations were found in the region 40-55 GPa. Electronic transition with high-to-low spin crossover of Fe3+ ion, suppression of magnetism and metallization were carefully investigated and documented. All transitions are completely reversible. The proposed theoretical consideration explains some details of the high-pressure magnetic, optical and electronic properties.

Guest‐Dependent Pressure‐Induced Spin Crossover in Fe II 4 [M IV (CN) 8 ] 2 (M=Mo, W) Cluster‐Based Material Showing Persistent Solvent‐Driven Structural Transformations

2020 ◽  
Vol 26 (49) ◽  
pp. 11187-11198 ◽  
Author(s):  
Robert Jankowski ◽  
Mateusz Reczyński ◽  
Szymon Chorazy ◽  
Mikołaj Zychowicz ◽  
Mirosław Arczyński ◽  
...  
Keyword(s):  
Spin Crossover ◽  
Structural Transformations

Electron Microscope Observations of Magnetic and Electric Effects

1970 ◽  
Vol 28 ◽  
pp. 430-431
Author(s):  
John Silcox
Keyword(s):  
Electron Microscope ◽  
Electric Fields ◽  
Magnetic Image ◽  
Magnetic Effects ◽  
Ferromagnetic Films ◽  
Diffraction Contrast ◽  
Microscope Images ◽  
Electric Effects ◽  
Image Detail

Several aspects of magnetic and electric effects in electron microscope images are of interest and will be discussed here. Clearly electrons are deflected by magnetic and electric fields and can give rise to image detail. We will review situations in ferromagnetic films in which magnetic image effects are the predominant ones, others in which the magnetic effects give rise to rather subtle changes in diffraction contrast, cases of contrast at specimen edges due to leakage fields in both ferromagnets and superconductors and some effects due to electric fields in insulators.

Structural Transformation of a Germanium Σ=13 (510) [001] Tilt Grain Boundary under the Electron Beam

1990 ◽  
Vol 48 (1) ◽  
pp. 52-53 ◽  
Author(s):  
Jean-Luc Rouvière ◽  
Alain Bourret
Keyword(s):  
Electron Microscopy ◽  
High Resolution ◽  
Grain Boundary ◽  
Structural Transformation ◽  
Mirror Symmetry ◽  
High Resolution Electron Microscopy ◽  
Structural Transformations ◽  
Covalent Bonds ◽  
Resolution Electron ◽  
Tilt Grain Boundary

The possible structural transformations during the sample preparations and the sample observations are important issues in electron microscopy. Several publications of High Resolution Electron Microscopy (HREM) have reported that structural transformations and evaporation of the thin parts of a specimen could happen in the microscope. Diffusion and preferential etchings could also occur during the sample preparation.Here we report a structural transformation of a germanium Σ=13 (510) [001] tilt grain boundary that occurred in a medium-voltage electron microscopy (JEOL 400KV).Among the different (001) tilt grain boundaries whose atomic structures were entirely determined by High Resolution Electron Microscopy (Σ = 5(310), Σ = 13 (320), Σ = 13 (510), Σ = 65 (1130), Σ = 25 (710) and Σ = 41 (910), the Σ = 13 (510) interface is the most interesting. It exhibits two kinds of structures. One of them, the M-structure, has tetracoordinated covalent bonds and is periodic (fig. 1). The other, the U-structure, is also tetracoordinated but is not strictly periodic (fig. 2). It is composed of a periodically repeated constant part that separates variable cores where some atoms can have several stable positions. The M-structure has a mirror glide symmetry. At Scherzer defocus, its HREM images have characteristic groups of three big white dots that are distributed on alternatively facing right and left arcs (fig. 1). The (001) projection of the U-structure has an apparent mirror symmetry, the portions of good coincidence zones (“perfect crystal structure”) regularly separate the variable cores regions (fig. 2).

Spin-crossover in an iron(iii) complex showing a broad thermal hysteresis

2021 ◽  
Author(s):  
Cyril Rajnák ◽  
Romana Mičová ◽  
Ján Moncoľ ◽  
Ľubor Dlháň ◽  
Christoph Krüger ◽  
...  
Keyword(s):  
Schiff Base ◽  
Schiff Base Ligand ◽  
Spin Crossover ◽  
Thermal Hysteresis ◽  
Mononuclear Complex ◽  
Hysteresis Width ◽  
Thermally Induced

A pentadentate Schiff-base ligand 3,5Cl-L2− and NCSe− form a iron(iii) mononuclear complex [Fe(3,5Cl-L)(NCSe)], which shows a thermally induced spin crossover with a broad hysteresis width of 24 K between 123 K (warming) and 99 K (cooling).

Dynamic and static muon-spin relaxation observed above and below the spin-crossover in Fe(II) complexes

2004 ◽  
Vol 114 ◽  
pp. 601-605 ◽  
Author(s):  
S. J. Blundell ◽  
T. Lancaster ◽  
F. L. Pratt ◽  
C. A. Steer ◽  
M. L. Brooks ◽  
...  
Keyword(s):  
Spin Relaxation ◽  
Spin Crossover ◽  
Muon Spin ◽  
Muon Spin Relaxation
Sign in / Sign up

Export Citation Format

Share Document