Spin frustration and metamagnetic behavior in a molecular-based quasi-1D ferrimagnetic chain : (MnTTP)(TCNE)

We report an experimental observation of spin frustration and metamagnetic behavior in a quasi-1D ferrimagnetic chain, (MnTPP)+(TCNE)−. Metastability, hysteresis effects, and irreversibility of thermal and magnetic histories are observed in magnetization measurements. The ‘‘memory’’ phenomenon is se...

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Veröffentlicht in:	Journal of applied physics 1993-05, Vol.73 (10), p.6569-6571
Hauptverfasser:	ZHOU, P, MORIN, B. G, EPSTEIN, A. J, MCLEAN, R. S, MILLER, J. S
Format:	Artikel
Sprache:	eng
Schlagworte:	Condensed matter: electronic structure, electrical, magnetic, and optical properties ELECTRON TRANSFER Exact sciences and technology FERRIMAGNETISM Magnetic phase boundaries (including magnetic transitions, metamagnetism, etc.) MAGNETIC PROPERTIES Magnetic properties and materials Magnetically ordered materials: other intrinsic properties MAGNETISM MATERIALS SCIENCE ORGANIC COMPOUNDS ORGANOMETALLIC COMPOUNDS PHYSICAL PROPERTIES Physics SPIN FLIP TEMPERATURE DEPENDENCE TEMPERATURE RANGE 0000-0013 K TEMPERATURE RANGE 360606 > Other Materials-- Physical Properties-- (1992-)
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Zusammenfassung:	We report an experimental observation of spin frustration and metamagnetic behavior in a quasi-1D ferrimagnetic chain, (MnTPP)+(TCNE)−. Metastability, hysteresis effects, and irreversibility of thermal and magnetic histories are observed in magnetization measurements. The ‘‘memory’’ phenomenon is seen in the temperature dependence of the thermoremanent and isothermal remanent magnetization. This system may be relevant to the magnetic behavior of the quantum/classical spin chains. The isothermal M(H) at T=2.25 K supports a first order transition which may be related to effects of local anisotropy.
ISSN:	0021-8979 1089-7550
DOI:	10.1063/1.352566