| Autor: |
B. H. Chen, Y.-Y. Wang, Chi-Hung Lee, Chung-Kai Chang, Z. H. Yang, Ajay Tiwari, T. W. Kuo, D. Chandrasekhar Kakarla, Jiunn-Yuan Lin, Chin-Wei Wang, Mitch M.C. Chou, Han-Chung Wu, H. D. Yang, Wen-Hsien Li, Chun-Yu Lee |
| Rok vydání: |
2021 |
| Předmět: |
|
| Zdroj: |
Materials Advances. 2:7939-7948 |
| ISSN: |
2633-5409 |
| DOI: |
10.1039/d1ma00526j |
| Popis: |
Single crystals of α-Cu5O2(SeO3)2Cl2 are successfully prepared by the chemical vapor transport method, and their structural, magnetic, thermal, and dielectric properties are investigated as a function of temperature and magnetic field. Magnetization and specific heat measurements indicate a long-range antiferromagnetic transition at TN = 32 K. The spin ordering with a propagation vector q = (1/2 0 0) below TN is determined from the neutron diffraction patterns. The dielectric data reveal an anomaly near TN. Magnetic field-dependent dielectric measurements below TN = 32 K suggest a notable magnetodielectric effect with the scaling of magnetodielectric ∝ M2. Additionally, two more dielectric and associated specific heat anomalies are noticed above TN, collaborating with the synchrotron x-ray diffraction studies. These studies provide evidence that the bow-tie lattice of α-Cu5O2(SeO3)2Cl2 is a new magnetoelectric material. |
| Databáze: |
OpenAIRE |
| Externí odkaz: |
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