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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Chan Hyuk Rhee Sam Jin Kim Chul Sung Kim |
| Copyright Year | 1965 |
| Abstract | The polycrystalline LiCo0.9957Fe0.01PO4 was synthesized by solid-state reaction method. The crystal structure was determined to be orthorhombic with a space group of Pnma by x-ray diffractometer (XRD). The temperature dependence of the magnetization was investigated by superconducting quantum interference device (SQUID) magnetometer. Although LiCo0.9957Fe0.01PO4 showed a typical anti-ferromagnetic behavior at temperatures below TN = 23 K, a rapid increase in magnetization was observed at temperatures below 9 K. The microscopic magnetic properties of LiCo 0.9957Fe0.01PO4 were characterized by 57Fe external field Mössbauer spectroscopy. At temperatures below 9 K, the magnetic hyperfine field (Hhf) showed a rapid increase, while the electric quadrupole splitting (ΔEQ) decreased rapidly. The Hhf and ΔEQ under external field of 4.8 T changed significantly compared to the value without external magnetic field. These are originated from orbital angular moment contribution by spin-orbit coupling at temperatures below 9 K, while orbital angular moment is quenched by the crystalline field due to distorted CoO6(FeO6) asymmetric structure at temperatures above 9 K. |
| Sponsorship | IEEE Magnetics Society |
| Starting Page | 2697 |
| Ending Page | 2700 |
| Page Count | 4 |
| File Size | 508339 |
| File Format | |
| ISSN | 00189464 |
| Volume Number | 47 |
| Issue Number | 10 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2011-10-01 |
| Publisher Place | U.S.A. |
| Access Restriction | One Nation One Subscription (ONOS) |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Iron Temperature measurement Temperature Temperature dependence Couplings SQUIDs Magnetic properties olivine LiCoPO $_{4}$ Mössbauer spectroscopy spin-orbit coupling |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering |
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