In this paper,we investigated the influence of rare earth(RE=La and Gd)doped Ba_(0.9575)RE_(0.04)Ca_(0.0025)Ti_(0.80685)Mn_(0.002475)Nb_(0.002475)Zr_(0.1782)O_(3)(BCTMNZ)ceramics were fabricated by using a conventiona...In this paper,we investigated the influence of rare earth(RE=La and Gd)doped Ba_(0.9575)RE_(0.04)Ca_(0.0025)Ti_(0.80685)Mn_(0.002475)Nb_(0.002475)Zr_(0.1782)O_(3)(BCTMNZ)ceramics were fabricated by using a conventional solid state reaction method.The doping effects of La and Gd on the structural and magnetic properties were studied.The structural pattern of the ceramic samples were investigated by X-ray diffraction and the results indicated that both samples shows an orthorhombic structure with pure phase.Strain and crystalline size values for Gd and La doped were 0.31-0.33%and 0.154-0.181μm,respectively.The room temperature hysteresis loops were obtained by using a vibrating sample magnetometer.La doped ceramic showed the higher value of mag-netization i.e.,0.369μB/f.u.as compared to Gd doped BLTMNZ ceramics.展开更多
Concepts of the lattice Boltzmann method are discussed in detail for the one-dimensional kinetic model.Various techniques of constructing lattice Boltzmann models are discussed,and novel collision integrals are derive...Concepts of the lattice Boltzmann method are discussed in detail for the one-dimensional kinetic model.Various techniques of constructing lattice Boltzmann models are discussed,and novel collision integrals are derived.Geometry of the ki-netic space and the role of the thermodynamic projector is elucidated.展开更多
基金Authors are grateful to the Defense Research and Development Organization(DRDO),Govt.of India,for financial support under the research project ERIP/ER/1303129/M/01/1564.
文摘In this paper,we investigated the influence of rare earth(RE=La and Gd)doped Ba_(0.9575)RE_(0.04)Ca_(0.0025)Ti_(0.80685)Mn_(0.002475)Nb_(0.002475)Zr_(0.1782)O_(3)(BCTMNZ)ceramics were fabricated by using a conventional solid state reaction method.The doping effects of La and Gd on the structural and magnetic properties were studied.The structural pattern of the ceramic samples were investigated by X-ray diffraction and the results indicated that both samples shows an orthorhombic structure with pure phase.Strain and crystalline size values for Gd and La doped were 0.31-0.33%and 0.154-0.181μm,respectively.The room temperature hysteresis loops were obtained by using a vibrating sample magnetometer.La doped ceramic showed the higher value of mag-netization i.e.,0.369μB/f.u.as compared to Gd doped BLTMNZ ceramics.
基金support by the BFE Project 100862.S.S.C.was supported by the ETH Project 0-20280-05.
文摘Concepts of the lattice Boltzmann method are discussed in detail for the one-dimensional kinetic model.Various techniques of constructing lattice Boltzmann models are discussed,and novel collision integrals are derived.Geometry of the ki-netic space and the role of the thermodynamic projector is elucidated.
