Magnetic properties of lamellar tetrataenite in Toluca iron meteorite
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概要
- 論文の詳細を見る
Magnetic studies were conducted using lamellar tetrataenite extracted from the Toluca octahedrite by a diluted HCl etching technique. Natural remanent magnetization (NRM) in the lamellae is very stable against AF demagnetization and is quite intense, ranging from 2.58 to 37.42×(10)^<-2> Am^2/kg. This NRM is completely demagnetized at about 550℃ of temperature. The most characteristic change in magnetic properties on heating up to about 550℃ is a significant decrease in magnetic coercivity. This observation is consistent with the results obtained from chondrites. The paramagnetic component in lamellar tetrataenite, which is estimated by Mossbauer spectrum analyses, was not detected by conventional magnetic studies.
- 国立極地研究所の論文
著者
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Funaki Minoru
National Institute of Polar Research
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Nagata Takesi
National Institute of Polar Research
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Danon Jacques
Observatorio Nacional
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Danon Jacques
Centro Brasileiro de Pesquisas Fisicas
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Funaki Minoru
National Inst. Of Polar Res. 9-10 Kaga 1 Itabashi Tokyo 173-8515 Jpn
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