CuO nanoparticles as a room temperature dilute magnetic giant dielectric material

IEEE Transactions on Magnetics

Volumn 47, Issue 10, 2011, Pages 3772-3775

  Chen, J W ^a   Rao, G Narsinga ^a  

^a NATIONAL TAIWAN UNIVERSITY   (Taiwan)

Author keywords

Coercivity; CuO nanoparticles; ferromagnetic; giant dielectric permittivity

Indexed keywords

COERCIVE FORCE; COPPER OXIDES; DIELECTRIC MATERIALS; FERROMAGNETIC MATERIALS; FERROMAGNETISM; FREQUENCY MODULATION; INTERFACE STATES; METAL IONS; NANOPARTICLES; PERMITTIVITY; PRECIPITATION (CHEMICAL); SATURATION MAGNETIZATION; SYNTHESIS (CHEMICAL); TEMPERATURE DISTRIBUTION; TRANSITION METALS;

COPRECIPITATION METHOD; CUO NANOPARTICLES; FERROMAGNETIC; GIANT DIELECTRIC PERMITTIVITY; HIGH DIELECTRICS; MAGNETIC AND DIELECTRIC PROPERTIES; TEMPERATURE DEPENDENCE; VALENCE STATE;

NANOMAGNETICS;

EID: 80053559379     PISSN: 00189464     EISSN: None     Source Type: Journal    
DOI: 10.1109/TMAG.2011.2149505     Document Type: Article

References (19)

1. T. Dietl, H. Ohno, F. Matsukura, J. Cibert, and D. Ferrand, "Zener model description of ferromagnetism in Zinc-Blende magnetic semiconductors, " Science, vol. 287, p. 1019, 2000.
2. S. A. Wolf, D. D. Awschalom, R. A. Buhrman, J. M. Daughton, S. von Molnar, M. L. Roukes, A. Y. Chtchelkanova, and D. M. Treger, "Spintronics: A spin-based electronics vision for the future," Science, vol. 294, p. 1488, 2001.
3. A. Sundaresan, R. Bhargavi, N. Rangarajan, U. Siddesh, and C. N. R. Rao, "Ferromagnetism as a universal feature of nanoparticles of the otherwise nonmagnetic oxides," Phys. Rev. B. Condens. Matter, vol. 74, p. R161306, 2007.
4. 12 phases," J. Solid State Chem., vol. 151, p. 323, 2000.
5. C. C. Homes, T. Vogt, S. M. Shapiro, S.Wakimoto, and A. P. Ramirez, "Optical response of high-dielectric-constant Perovskite-related oxide," Science, vol. 293, p. 673, 2001.
6. 3 nonferroelectric perovskite ceramics (A = Ba, Sr, Ca; B = Nb, Ta, Sb,)," J. Appl. Phys., vol. 93, p. 4130, 2006.
7. 3 ceramics over broad temperature and frequency range," Appl. Phys. Lett., vol. 90, p. 022904, 2007.
8. J. Wu, C. W. Nan, Y. Lin, and Y. Deng, "Giant dielectric permittivity observed in Li and Ti doped NiO," Phys. Rev. Lett., vol. 89, p. 217601, 2002.
9. Y.-H. Lin, L. Jiang, R. Zhao, and C.-W. Nan, "High-permittivity core/shell structured NiO-based ceramics and their dielectric response mechanism," Phys. Rev. B, vol. 72, p. 014103, 2005.
10. S. Sarkar, P. K. Jana, B. K. Chaudhuri, and H. Sakata, "Copper (II) oxide as a giant dielectric material," Appl. Phys. Lett., vol. 89, p. 212905, 2006.
11. S. Sarkar, P. K. Jana, and B. K. Chaudhuri, "Colossal internal barrier layer capacitance effect in polycrystalline copper (II) oxide," Appl. Phys. Lett., vol. 92, p. 022905, 2008.
12. 12 : One-step internal barrier layer capacitor," Appl. Phys. Lett., vol. 80, p. 2153, 2002.
13. S.-Y. Chung, I.-D. Kim, and S.-J. L. Kang, "Strong nonlinear currentvoltage behaviour in perovskite-derivative calcium copper titanate," Nat. Mater., vol. 3, p. 774, 2004.
14. X. G. Zheng, Y. Sakurai, Y. Okayama, T. Q.Yang, L. Y. Zhang, X.Yao, K. Nonaka, and C. N. Xu, "Dielectric measurement to probe electron ordering and electron-spin interaction," J. Appl. Phys., vol. 92, p. 2703, 2002.
15. T. Kimura, Y. Sekio, H. Nakamura, T. Siegrist, and A. P. Ramirez, "Cupric oxide as an induced-multiferroic with high," Nat. Mater., vol. 7, p. 291, 2008.
16. S. Asbrink and L. J. Norrby, "A refinement of the crystal structure of copper(II) oxide with a discussion of some exceptional E.s.d.'s," Act. Cryst. B, vol. 26, p. 8, 1970.
17. X. G. Zheng, N. Tsutsumi, S. Tanaka, M. Suzuki, S. Nishioka, and C. N. Xu, "Multiple phase transitions in CuO," Philos. Mag. Lett., vol. 79, p. 819, 1999.
18. W. DeSisto, B. T. Collins, R. Kershaw, K. Dwight, and A. Wold, "Preparation and characterization of Copper (II) oxide single crystals by chemical vapor transport," Mater. Res. Bull., vol. 24, p. 1005, 1989.
19. A. K. Jonscher, Dielectric Relaxation in Solids. London: Chelsea Dielectrics, 1983.