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Riddle of strangely behaving magnetic material solved

Image Ames Laboratory researchers Bruce Harmon and Yongbin Lee  have found an accurate way to explain the magnetic properties of lanthanum, cobalt and oxygen (LaCoO3) that has mystified the scientific community for decades.  While most materials tend to lose magnetism at higher temperatures, pure LaCoO3 is a non-magnetic semiconductor at low temperatures, but as the temperature is raised, it becomes magnetic.

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