Single Crystal Growth and Physical Properties of Pyroxene CoGeO3

We report on the synthesis and physical properties of cm-sized CoGeO3 single crystals grown in a high pressure mirror furnace at pressures of 80 bar. Direction dependent magnetic susceptibility measurements on our single crystals reveal highly anisotropic magnetic properties that we attribute to the...

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Veröffentlicht in:	Crystals (Basel) 2021-04, Vol.11 (4), p.378
Hauptverfasser:	Zhao, Li, Hu, Zhiwei, Guo, Hanjie, Geibel, Christoph, Lin, Hong-Ji, Chen, Chien-Te, Khomskii, Daniel, Tjeng, Liu Hao, Komarek, Alexander C.
Format:	Artikel
Sprache:	eng
Schlagworte:	Anisotropy Conflicts of interest Crystal growth Crystal structure floating zone method Magnetic moments Magnetic permeability Magnetic properties magnetic susceptibility Physical properties pyroxene Radiation single crystal growth Single crystals Spectrum analysis X-ray absorption spectroscopy X-ray diffraction
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Beschreibung
Zusammenfassung:	We report on the synthesis and physical properties of cm-sized CoGeO3 single crystals grown in a high pressure mirror furnace at pressures of 80 bar. Direction dependent magnetic susceptibility measurements on our single crystals reveal highly anisotropic magnetic properties that we attribute to the impact of strong single ion anisotropy appearing in this system with TN∼33.5 K. Furthermore, we observe effective magnetic moments that are exceeding the spin only values of the Co ions, which reveals the presence of sizable orbital moments in CoGeO3.
ISSN:	2073-4352 2073-4352
DOI:	10.3390/cryst11040378