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Temperature and field dependence of the spin magnetization density in SmMn2Ge2
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UNSPECIFIED (2005) Temperature and field dependence of the spin magnetization density in SmMn2Ge2. PHYSICAL REVIEW B, 71 (2). -. doi:10.1103/PhysRevB.71.024407 ISSN 1098-0121.
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Official URL: http://dx.doi.org/10.1103/PhysRevB.71.024407
Abstract
The site specific spin moments in the layered intermetallic compound SmMn2Ge2 have been measured directly as a function of field, between 0.02 and 1 T, using the spin-polarized Compton scattering technique at 13, 40, and 230 K. The field dependence of the orbital moment has been determined by comparison at each temperature with magnetometry data. A small finite Sm spin moment is observed at a low applied field of 0.02 T. These data indicate that in the high-temperature ordered phase the rare-earth sites exhibit a small net moment and exhibit paramagnetic behavior with little coupling to the Mn spin sublattice. Our low-temperature, low-field data indicate a change in magnetic order of the Sm site at approximate to35 K that is metamagnetic in nature. However, we find no evidence for a zero-field transition in the Sm sublattice as previously suggested.
Item Type: | Journal Article | ||||
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Subjects: | Q Science > QC Physics | ||||
Journal or Publication Title: | PHYSICAL REVIEW B | ||||
Publisher: | AMERICAN PHYSICAL SOC | ||||
ISSN: | 1098-0121 | ||||
Official Date: | January 2005 | ||||
Dates: |
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Volume: | 71 | ||||
Number: | 2 | ||||
Number of Pages: | 5 | ||||
Page Range: | - | ||||
DOI: | 10.1103/PhysRevB.71.024407 | ||||
Publication Status: | Published |
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