Ferromagnetic Dy-Ni and antiferromagnetic Dy-Cu couplings in single-molecule magnets [Dy2Ni] and [Dy2Cu]

Atsushi Okazawa; Takashi Nogami; Hiroyuki Nojiri; Takayuki Ishida

doi:10.1021/ic801686z

Ferromagnetic Dy-Ni and antiferromagnetic Dy-Cu couplings in single-molecule magnets [Dy₂Ni] and [Dy₂Cu]

Atsushi Okazawa, Takashi Nogami, Hiroyuki Nojiri, Takayuki Ishida

Institute for Materials Research (IMR) (institute affiliation only)

Research output: Contribution to journal › Article › peer-review

52 Citations (Scopus)

Abstract

The exchange couplings in [{Dy(hfac)₃}₂Cu(dpk) ₂] and [{Dy(hfac)₃}₂-Ni(dpk) ₂(py)₂] (Hdpk = di-2-pyridyl ketoxime) were precisely evaluated by high-frequency electron paramagnetic resonance and pulsed-field magnetization studies, giving J_Dy-Cu/k_B = -0.126 K and J_Dy-Ni/k_B = +0.031 K.

Original language	English
Pages (from-to)	9763-9765
Number of pages	3
Journal	Inorganic chemistry
Volume	47
Issue number	21
DOIs	https://doi.org/10.1021/ic801686z
Publication status	Published - 2008 Nov 3

ASJC Scopus subject areas

Physical and Theoretical Chemistry
Inorganic Chemistry

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title = "Ferromagnetic Dy-Ni and antiferromagnetic Dy-Cu couplings in single-molecule magnets [Dy2Ni] and [Dy2Cu]",

abstract = "The exchange couplings in [{Dy(hfac)3}2Cu(dpk) 2] and [{Dy(hfac)3}2-Ni(dpk) 2(py)2] (Hdpk = di-2-pyridyl ketoxime) were precisely evaluated by high-frequency electron paramagnetic resonance and pulsed-field magnetization studies, giving JDy-Cu/kB = -0.126 K and JDy-Ni/kB = +0.031 K.",

author = "Atsushi Okazawa and Takashi Nogami and Hiroyuki Nojiri and Takayuki Ishida",

year = "2008",

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T1 - Ferromagnetic Dy-Ni and antiferromagnetic Dy-Cu couplings in single-molecule magnets [Dy2Ni] and [Dy2Cu]

AU - Okazawa, Atsushi

AU - Nogami, Takashi

AU - Nojiri, Hiroyuki

AU - Ishida, Takayuki

PY - 2008/11/3

Y1 - 2008/11/3

N2 - The exchange couplings in [{Dy(hfac)3}2Cu(dpk) 2] and [{Dy(hfac)3}2-Ni(dpk) 2(py)2] (Hdpk = di-2-pyridyl ketoxime) were precisely evaluated by high-frequency electron paramagnetic resonance and pulsed-field magnetization studies, giving JDy-Cu/kB = -0.126 K and JDy-Ni/kB = +0.031 K.

AB - The exchange couplings in [{Dy(hfac)3}2Cu(dpk) 2] and [{Dy(hfac)3}2-Ni(dpk) 2(py)2] (Hdpk = di-2-pyridyl ketoxime) were precisely evaluated by high-frequency electron paramagnetic resonance and pulsed-field magnetization studies, giving JDy-Cu/kB = -0.126 K and JDy-Ni/kB = +0.031 K.

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JF - Inorganic Chemistry

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Ferromagnetic Dy-Ni and antiferromagnetic Dy-Cu couplings in single-molecule magnets [Dy₂Ni] and [Dy₂Cu]

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