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Your search keyword '"Amolegbe Saliu Alao"' showing total 3 results
Start Over Author "Amolegbe Saliu Alao" Topic spin crossover
3 results on '"Amolegbe Saliu Alao"'

1. Spin-crossover behaviors in solvated cobalt(<scp>ii</scp>) compounds

Author

Ryotaro Yamaguchi, Manabu Nakaya, Shinya Hayami, Ryo Ohtani, Jack K. Clegg, Masaaki Nakamura, Hitomi Ohmagari, Takayoshi Kuroda-Sowa, and Amolegbe Saliu Alao

Subjects
Inorganic Chemistry, chemistry.chemical_compound, Phase change, Crystallography, chemistry, Annealing (metallurgy), Spin crossover, Spin transition, chemistry.chemical_element, Terpyridine, Cobalt
Abstract

Two solvated cobalt(II) terpyridine complexes, [Co(MeO-terpy)2](BF4)2·H2O (1·H2O) and [Co(MeO-terpy)2](BF4)2·acetone (1·acetone) were prepared. Annealing each of these complexes resulted in the formation of two desolvated species, 1 and 1′, respectively. 1·H2O and 1 exhibited two-step and gradual SCO. The compound 1·acetone has high-spin at all temperatures and 1′ undergoes a reverse spin transition due to a phase change.

Published
2015
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2. Spin-crossover and LIESST Effect for Iron(III) Complex Based on π–π Stacking by Coordination Programming

Author

Masaaki Nakamura, Manabu Nakaya, Amolegbe Saliu Alao, Shinya Hayami, Kodai Shimayama, Kazuya Hirata, Leonard F. Lindoy, and Kohei Takami

Subjects
Crystallography, Chemistry, Spin crossover, Stacking, General Chemistry, Char, LIESST
Abstract

Spin-crossover (SCO) iron(III) compounds, [Fe(qnal-OMe)2]PF6·acetone (1) and [Fe(qnal-OMe)2]BPh4·2MeOH (2) (qnal-OMe: 7-methoxy-1-[(8-quinolinylimino)methyl]-2-naphthalenol), were prepared and char...

Published
2014
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3. Structures and Magnetic Properties of Iron(III) Complexes with Long Alkyl Chains.

Author

Manabu Nakaya, Kodai Shimayama, Kohei Takami, Kazuya Hirata, Amolegbe, Saliu Alao, Masaaki Nakamura, Lindoy, Leonald F., and Shinya Hayami

Subjects
FERRIC oxide, IRON oxides, SPIN crossover, TRANSITION metal complexes, ALKYL compounds, MAGNETIC properties
Abstract

Iron(III) compounds with long alkyl chains, [Fe(Cn-pap)2]ClO4 (Cn-pap: alkoxy-2-(2-pyridylmethyleneamino)phenol, n = 8 (1), 10 (2), 12 (3), 14 (4), 16 (5)) have been synthesized. The compounds were characterized by single crystal X-ray structure analysis and temperature dependent magnetic susceptibility in order to research the relationship between magnetic properties and the presence of long alkyl chains in soft molecules of the present type. The compounds 1, 2, 3 and 4 are in the high-spin (HS) state over the temperature range of 5 to 400 K. On the other hand, compound 5 is low-spin (LS) showing that the difference in magnetic properties depends on the length of the alkyl chain in the respective compounds. [ABSTRACT FROM AUTHOR]

Published
2014
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