scholarly journals Switchable slow relaxation of magnetization in the native low temperature phase of a cooperative spin-crossover compound

2017 ◽  
Vol 8 (3) ◽  
pp. 2290-2295 ◽  
Author(s):  
A. Urtizberea ◽  
O. Roubeau
Keyword(s):  
Low Temperature ◽  
High Spin ◽  
Single Molecule ◽  
Spin Crossover ◽  
Slow Relaxation ◽  
Light Irradiation ◽  
Temperature Phase ◽  
Single Molecule Magnet ◽  
Trigonal Distortion ◽  
Low Temperature Phase

Field-induced slow relaxation of magnetization arising from local trigonal distortion at high-spin Fe(II) sites in [Fe(mtz)6](CF3SO3)2 is reversibly switched through light irradiation, the first example of native and switchable Single-Molecule-Magnet properties in a spin-crossover material.

SYMMETRY LOWERING IN THE PHOTOINDUCED PHASE IN SPIN-CROSSOVER COMPLEXES

2001 ◽  
Vol 15 (28n30) ◽  
pp. 3709-3713 ◽  
Author(s):  
TAKESHI TAYAGAKI ◽  
KOICHIRO TANAKA ◽  
NAOKI YONEMURA ◽  
MASANOBU SHIRAI ◽  
KEN-ICHI KAN'NO
Keyword(s):  
Low Temperature ◽  
Spin Crossover ◽  
Temperature Phase ◽  
Thermally Induced ◽  
Jahn Teller ◽  
Jahn Teller Effect ◽  
Resonant Raman ◽  
Resonant Raman Scattering ◽  
First Time ◽  
Low Temperature Phase

We investigated the resonant Raman scattering of the spin-crossover complex, [ Fe(2-pic)3]Cl3EtOH , with varying the temperature and calarified for the first time that the photoinduced phase is completely different state from the thermally-induced phase. In the photoinduced phase we observed splits of Raman lines and a number of additional lines which are not observed in the high- and te low-temperature phase. These splits and appearances strongly indicate that a symmetry lowering should take place in the photoinduced phase. We imagined that the symmetry lowering is induced by the Jahn-Teller effect in the photo-excited state of the low-temperature phase.

Electronic vs. structural ordering in a manganese(iii) spin crossover complex

2015 ◽  
Vol 51 (99) ◽  
pp. 17540-17543 ◽  
Author(s):  
Anthony J. Fitzpatrick ◽  
Eliza Trzop ◽  
Helge Müller-Bunz ◽  
Marinela M. Dîrtu ◽  
Yann Garcia ◽  
...  
Keyword(s):  
High Temperature ◽  
Low Temperature ◽  
Symmetry Breaking ◽  
Spin Crossover ◽  
Spin Transition ◽  
Temperature Phase ◽  
High Symmetry ◽  
Structural Ordering ◽  
Low Temperature Phase

A symmetry breaking spin transition in a Mn(iii) complex is reported with three structural phases, a high symmetry high temperature S = 2 phase, an intermediate S = 1/S = 2 ordered phase and an aperiodic low temperature phase with S = 1 cations.

Low‐temperature phase formation in the SrF 2 ‐ LaF 3 system

2020 ◽  
Author(s):  
Pavel P. Fedorov ◽  
Alexander A. Alexandrov ◽  
Valery V. Voronov ◽  
Maria N. Mayakova ◽  
Alexander E. Baranchikov ◽  
...  
Keyword(s):  
Low Temperature ◽  
Phase Formation ◽  
Temperature Phase ◽  
Low Temperature Phase

Unusual electronic properties of a low-temperature phase of Ag4SSe

2018 ◽  
Vol 2 (11) ◽  
Author(s):  
Shidaling Matteppanavar ◽  
Nguyen Hai An Bui ◽  
Srinivasan Ramakrishnan ◽  
Megha Vagadia ◽  
Arumugam Thamizhavel ◽  
...  
Keyword(s):  
Low Temperature ◽  
Electronic Properties ◽  
Temperature Phase ◽  
Low Temperature Phase
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