Báo cáo hóa học: " First-Principles Study of Magnetic Properties of 3d Transition Metals Doped in ZnO Nanowires" potx

... IDEAS First-Principles Study of Magnetic Properties of 3d Transition Metals Doped in ZnO Nanowires Hongliang Shi Æ Yifeng Duan Received: 1 October 2008 / Accepted: 22 January 2009 / Published online: ... the ferromagnetic properties of transition metals (TMs) doped in ZnO based DMSs using first principles calculations, and suggested that the Cr -doped Zn...

Ngày tải lên: 22/06/2014, 01:20

... magnetism of the nanorods can be explained in terms of a superposition of bulk magnetic properties of spatially segregated b-MnO 2 and a-Mn 2 O 3 constituent phases and the soft ferromagnetism of the thin ... magne- tism of the thin interface between them. This result prompts for further investigations of the magnetism of nano-sized materials in order to prove/disprove...

Ngày tải lên: 22/06/2014, 22:20

... Amritsar, 143005, India 2 Department of Environmental Engineering, College of Engineering, Sangmyung University, Cheonan, Chungnam Province, 330-720, Republic of Korea Full list of author information ... (no. 2010T100100838). Author details 1 Department of Physics, Guru Nanak Dev University, Amritsar, 143005, India 2 Department of Environmental Engineering, College of Engineerin...

Ngày tải lên: 20/06/2014, 22:20

... preferred in case of high Packet Loss Rates. 3 Quality evaluation of transmitted video The measurement of the video quality degradations occurred in the transmission chain is fundamental for maintaining, ... con- tributions concern the gain on QoE. In particular, in [3], the authors analyze the reduction of the wireless packet loss by the integration of different techniques...

Ngày tải lên: 20/06/2014, 22:20

... wavelength side with increasing Mn -doped concentration in ZnO. This indicates that the bandgap of the ZnO material increases with the doping concentration of the Mn 2+ ion. The increase in the bandgap ... in spintronic devices and spin-based electronic technologies. Keywords: Mn -doped ZnO; hierarchical microspheres; optical properties; magnetic properties. In...

Ngày tải lên: 21/06/2014, 17:20

... viscosity properties of magnetic colloids were introduced in ref. [7, 10]. In this paper, various low concentrations of e-Fe 3 N magnetic fluid samples were synthesized with the method introduced in ... Substituting F m , magnetic diameter (d m ) and M d into Eq. (3) we get the Langevin initial susceptibility. The Langevin initial susceptibility of the samples was obtained...

Ngày tải lên: 22/06/2014, 22:20

... nanoscale electrical properties of graphene studied by conductive scanning probe microscopy Shihua Zhao, Yi Lv and Xinju Yang * Abstract The nanoscale electrical properties of single-layer graphene ... graphene, scanning capacitance microscopy, electrostatic force microscopy, layer dependence, quan- tum capacitance Graphene is drawing an increasing interest nowadays since its debut i...

Ngày tải lên: 21/06/2014, 00:20

... lowering of the melting point of these solid solutions. The ε r and tan δ · of Bi 0.5 Na 0.5 Ti 1-x Zr x O 3 ceramics, at the frequency of 100 kHz, are tabulated in Table 1. In general, increasing ... splitting of the (104) and (300) peaks in the original rhombohedral structure. Based on refinement results, the structure was orthorhombic having the lattice parameters shown in...

Ngày tải lên: 21/06/2014, 17:20

... Physics, Institute of Physics, Chinese Academy of Sciences, Beijing, 100190, China 3 Engineering Research Center of Solid-State Lighting, School of Electrical Engineering and Automation, Tianjin Polytechnic ... lczhao@hit.edu.cn 1 School of Materials Science and Engineering, Harbin Institute of Technology, Harbin, 150001, China 2 National Laboratory for Condensed Matter Physics, I...

Ngày tải lên: 21/06/2014, 17:20

... lczhao@hit.edu.cn 1 School of Materials Science and Engineering, Harbin Institute of Technology, Harbin, 150001, China 2 National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, ... Institute of Physics, Chinese Academy of Sciences, Beijing, 100190, China 3 Engineering Research Center of Solid-State Lighting, School of Electrical Eng...

Ngày tải lên: 22/06/2014, 00:20