Field-induced single-ion magnet behaviour of a hexacoordinated Co(ii) complex with easy-axis-type magnetic anisotropy

Tupolova Yulia P.; Shcherbakov Igor N.; Popov Leonid D.; Lebedev Vladimir E.; Tkachev Valery V.; Zakharov Konstantin V; Vasiliev Alexander N.; Korchagin Denis V; Palii Andrei V; Aldoshin Sergey M.

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Field-induced single-ion magnet behaviour of a hexacoordinated Co(ii) complex with easy-axis-type magnetic anisotropy

机译：具有易轴型磁各向异性的六酰戊二丙戊二醇化CO（II）复合物的现场诱导的单离子磁体行为

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A coordination compound with the composition [CoLCl2]H2O (L = bis-condensation product of diacetyl and 2-hydrazinyl-4,6-dimethylpyrimidine) was synthesized, in which the Co(ii) ion was hexacoordinated. Under applied DC fields, this compound exhibited single-ion magnet behavior. Two relaxation processes were observed when increasing the applied magnetic field from 1000 to 3200 Oe. The first relaxation (high-frequency) was observed both at 1000 Oe and 3200 Oe, while the second relaxation was only registered under a field of 3200 Oe at low frequencies (<1 Hz) and low temperatures (<5 K). Modeling of the magnetic DC properties using the Griffith Hamiltonian accompanied by quantum chemical calculations revealed easy-axis-type magnetic anisotropy with weak rhombic contributions.

机译：合成了与组合物[Colcl2] H 2 O的配位化合物（二乙酰基和2-肼基-4,6-二甲基嘧啶的戊酰基-4,6-二甲基二甲基嘧啶），其中CO（II）离子是六己醛。在应用的DC场下，该化合物表现出单离子磁体行为。当将施加的磁场从1000到3200 OE增加时，观察到两个弛豫过程。在1000 OE和3200 OE下观察到第一弛豫（高频），而第二个松弛仅在低频（<1Hz）和低温（<5 k）下在3200 OE的场下注册。磁性直流特性使用GRIFFITH HAMILTONIAN伴随着量子化学计算的磁性直流性能揭示了弱轴型磁性各向异性，具有弱菱形贡献。

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《Dalton transactions: An international journal of inorganic chemistry》 |2019年第20期|共11页
作者
Tupolova Yulia P.; Shcherbakov Igor N.; Popov Leonid D.; Lebedev Vladimir E.; Tkachev Valery V.; Zakharov Konstantin V; Vasiliev Alexander N.; Korchagin Denis V; Palii Andrei V; Aldoshin Sergey M.;
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Southern Fed Univ Dept Chem 7 Zorge Str Rostov Na Donu 344090 Russia;

Southern Fed Univ Dept Chem 7 Zorge Str Rostov Na Donu 344090 Russia;

Southern Fed Univ Dept Chem 7 Zorge Str Rostov Na Donu 344090 Russia;

Southern Fed Univ Dept Chem 7 Zorge Str Rostov Na Donu 344090 Russia;

Russian Acad Sci Inst Problems Chem Phys Chernogolovka Moscow Region Russia;

Moscow MV Lomonosov State Univ Phys Fac Moscow 119991 Russia;

Moscow MV Lomonosov State Univ Phys Fac Moscow 119991 Russia;

Russian Acad Sci Inst Problems Chem Phys Chernogolovka Moscow Region Russia;

Russian Acad Sci Inst Problems Chem Phys Chernogolovka Moscow Region Russia;

Russian Acad Sci Inst Problems Chem Phys Chernogolovka Moscow Region Russia;

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中图分类化学;无机化学;
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1. Field-induced single-ion magnet behaviour of a hexacoordinated Co(ii) complex with easy-axis-type magnetic anisotropy [J] . Tupolova Yulia P., Shcherbakov Igor N., Popov Leonid D., Dalton transactions: An international journal of inorganic chemistry . 2019,第20期

机译：具有易轴型磁各向异性的六酰戊二丙戊二醇化CO（II）复合物的现场诱导的单离子磁体行为
2. Slow magnetic relaxation in penta-coordinate cobalt(II) field-induced single-ion magnets (SIMs) with easy-axis magnetic anisotropy [J] . Massoud Salah S., Perez Zoe E., Courson Jessica R., Dalton transactions: An international journal of inorganic chemistry . 2020,第33期

机译：Penta坐标钴（II）场诱导的单离子磁铁（SIMS）慢磁性弛豫，具有易轴磁各向异性
3. Coligand Effects on the Field-Induced Double Slow Magnetic Relaxation in Six-Coordinate Cobalt(II) Single-Ion Magnets (SIMs) with Positive Magnetic Anisotropy [J] . Vallejo Julia, Viciano-Chumillas Marta, Lloret Francisco, Inorganic Chemistry: A Research Journal that Includes Bioinorganic, Catalytic, Organometallic, Solid-State, and Synthetic Chemistry and Reaction Dynamics . 2019,第23期

机译：COLIGAND对具有正磁各向异性的六坐标钴（II）单离子磁铁（SIMS）中的场诱导的双慢磁性弛豫的影响
4. Luminescent Single-Ion Magnets from Lanthanoid(III) Complexes with Monodentate Ketone Ligands [C] . Takuya Kanetomo, Takayuki Ishida Irago Conference . 2016

机译：来自镧（III）配合物的发光单离子磁铁与单齿酮配体
5. The interplay of long-range magnetic order and single-ion anisotropy in rare earth nickel germanides. [D] . Islam, Zahirul. 1999

机译：稀土镍锗化物中长距离磁阶与单离子各向异性的相互作用。
6. Pentacoordinate and Hexacoordinate Mn(III) Complexes of Tetradentate Schiff-Base Ligands Containing Tetracyanidoplatinate(II) Bridges and Revealing Uniaxial Magnetic Anisotropy [O] . Ivan Nemec, Radovan Herchel, Zdeněk Trávníček 2016

机译：含四氰基铂盐（II）桥的四齿席夫碱配体的五配位和六配位Mn（III）配合物揭示了单轴磁各向异性
7. Field-Induced Single-Ion Magnet Behaviour in Two New Cobalt(II) Coordination Polymers with 2,4,6-Tris(4-pyridyl)-1,3,5-triazine [O] . Dong Shao, Le Shi, Hai-Yan Wei, 2017

机译：两种新的钴（II）配位聚合物与2,4,6-三（4-吡啶基）-1,3,5-三嗪的场诱导单离子磁体行为

Field-induced single-ion magnet behaviour of a hexacoordinated Co(ii) complex with easy-axis-type magnetic anisotropy

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