1) relaxor ferroelectrics
弛豫型铁电体
1.
The development survey and research state of relaxor ferroelectrics are reviewed, the importance of nanometer structure to macroscopic properties is discussed, and research outlook and development trends in this field are indicated.
评述了弛豫型铁电体的发展概况及研完现状,讨论了其纳米结构特征对宏观性能的重要作用,并对研究前景和发展方向作了展望。
2) antiferroelectric polar
弛豫型反铁电体
3) relaxor ferroelectric crystals
弛豫型铁电晶体
4) relaxor ferroelectrics
弛豫铁电体
1.
Structure and relaxation of relaxor ferroelectrics;
弛豫铁电体的弛豫性结构研究
2.
This paper outlines and reviews the theory and its progress in order disorder transformation for relaxor ferroelectrics , and also prospects the future of the theory briefl
简要介绍了弛豫铁电体的有序-无序转变理论的发展过程及新进展,并对该理论进行了评述。
3.
The activation energy \%Q \%of four typical relaxor ferroelectrics: disordered (\%S=0 35)\%Pb(Sc\-\{0 5\}Ta\-\{0 5\})O\-3 (PST) single crystal, disordered (\%S\%=0 40)PST ceramic, 0 85Pb(Zn\-\{1/3\}Nb\-\{2/3\})O\-3\|0 15BaTiO\-3(PZN\|BT) ceramic,and 0 93Pb(Mg.
从德拜弛豫理论出发 ,通过介电温度谱得到弛豫时间温度谱 ,由此计算弛豫铁电体的弛豫激活能Q和指数前因子τ0 。
5) relaxor ferroelectric
弛豫铁电体
1.
Based on the crystal structures of NBT and the theories of the B-site-complex relaxor ferroelectrics,this paper also probes into the relaxor mechanism of the A-site-complex relaxor ferroelectrics,especially Na_(0.
5))TiO_3,NBT)是一种典型的 A 位复合钙钛矿结构弛豫铁电体,具有复杂的相变序列,介电温度峰呈现明显的弛豫性。
2.
Novel relaxor ferroelectric crystal (1-x)PbZn_ 1/3 Nb_ 2/3 O_ 3-x PbTiO_ 3 (PZNT)is a solid solution which is formed between relaxor ferroelectric crystal PbZn_ 1/3 Nb_ 2/3 O_ 3 (PZN) and general ferroelectric crystal PbTiO_ 3 (PT) in the range 0≤x≤0.
(1-x)PbZn1/3Nb2/3O3-xPbTi O3(PZNT)晶体是弛豫铁电体PbZn1/3Nb2/3O3(PZN)与普通铁电体PbTi O3(PT)在0≤x≤0。
3.
The dielectric response of PMN-PZN-PT relaxor ferroelectric ceramics was measured under various external fields.
结果表明:直流偏压场与交流测试场对弛豫铁电体的作用相反,增大偏压场导致介电常数的降低,而增大测试场则使介电常数升高。
补充资料:一维型铁电体
分子式:
CAS号:
性质:铁电活性离子或原子的位移沿线性方向(一维)而产生自发极化的物质。其自发极化方向应和惟一的晶轴重合。其自发极化强度较大,一般大于25×10-2C/m2。钙钛矿型结构的钛酸钡(BaTiO3)、钛酸铅(PbTiO3)等,铌酸锂结构的铌酸锂(LiNbO3),钽酸锂(LiTaO3)等,四方钨青铜结构的铌酸锶钡(Ba1.3Sr3.7Nh10O30)等均为一维型铁电体。
CAS号:
性质:铁电活性离子或原子的位移沿线性方向(一维)而产生自发极化的物质。其自发极化方向应和惟一的晶轴重合。其自发极化强度较大,一般大于25×10-2C/m2。钙钛矿型结构的钛酸钡(BaTiO3)、钛酸铅(PbTiO3)等,铌酸锂结构的铌酸锂(LiNbO3),钽酸锂(LiTaO3)等,四方钨青铜结构的铌酸锶钡(Ba1.3Sr3.7Nh10O30)等均为一维型铁电体。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条