采用脉冲激光沉积法在倾斜SrTO3(100)衬底上制备出高质量的Sr2FeMoO6薄膜,观察到薄膜在可见、红外波段的脉冲激光照射下具有很大的激光感生热电势效应(LITV).研究表明,用1064 nm和532 nm波长的脉冲激光从薄膜表面垂直照射时,薄膜表面产生的最大峰值电压分别为0.9 V和0.8 V,并且LITV信号与激光能量成良好的线性关系,可用以制造高灵敏度的激光功率计/能量计.当激光从SrTO3衬底方向照射时,LITV极性发生变化.上述现象用各项异性Seebeck效应给予了解释.
参考文献
| [1] | Chang C L,Kleinhammes A,et al.Symmetry-forbidden laser-induced voltages in YBa2Cu3O7[J].Phys.Rev.B,1990,41:11564-11567. |
| [2] | Habermeier H U,Li X H,Zhang P X,et al.Anisotropy of thermoelectric properties in La2/3Ca1/3MnO3 thin films studied by laser-induced transient voltages[J].Solid State Communications,1999,110:473-478. |
| [3] | Li X H,Habermeier H U,Zhang P X.Laser-induced off-diagonal thermoelectric voltage in La1-xCaxMnO3 thin films[J].Journal of Magnetism and Magnetic Materials,2000,211:232-237. |
| [4] | Zhao S Q,Zhou Y L,Zhao K,et al.Laser-induced thermoelectric voltage in normal state MgB2 thin films[J].Applied Surface Science,2006,253:2671-2673. |
| [5] | Zhang P X,Habermeier H U.Atomic layer thermopile materials:physics and application[J].Journal of Nanomaterials,2008,329601. |
| [6] | Liu X,Zhang H,Hu J T,et al.Data acquísition of laser induced voltage for rare earth oxide thin films[J].Chinese Journal of Lasers(中国激光),2008,35(10):1585-1590(in Chinese). |
| [7] | Kobayashi K I,Kimura T,Sawada H,et al.Room-temperature magnetoresistance in an oxide material with an ordered double-perovskite structure[J].Nature,1998,395:667-680. |
| [8] | He G X,Jing L H,Li G,et al.A detailed study on the preparation and electric properties of the double perovskites Sr2FeMnO6(SFMO)film[J].Chemical Industry Times(化工时刊),2006,55(11):6113-6117(in Chinese).· |
| [9] | Manako T,Izumi M,Konishi Y,et al.Epitaxial thin film of ordered double perovskite Sr2FeMoO6[J].Appl.Phys.Lett.,1999,74:2215-2217. |
| [10] | Martinez B,Balcells L,Respaud M,et al.Surface and interracial effects in ceramic manganites[J].Journal of Magnetism and Magnetic Materials,1999,196-197:479-480. |
| [11] | Tezuka K,Henmi K,Hinatsu Y.Magnetic susceptibilities and mossbauer spectra of perovskites A2FeNbO6(A=Sr,Ba)[J].Journal of Solid State Chemistry,2000,154:591-597. |
| [12] | Jin Y J,Yu Q X,Liu S J,et al.Effect of the structures on the enhancement of ultra-violet photo-luminescence intensity in Ag doped ZnO film[J].Chinese Journal of Quantum Electronics(量子电子学报),2008,25:43-48(in Chinese). |
| [13] | Dong W W,Tao R H,Fang X D.Recent advances on ZnO-based films synthesized by pulsed laser deposition[J].Chinese Journal of Quantum Electronics(量子电子学报),2006,23:1-9(in Chinese). |
| [14] | Zhao K,Jin K J,Huang Y H,et al.Laser-induced ultrafast photovoltaic effect in La0.67Ca0.33MnO3 films at room temperature[J].Physica B,2006,373:72-75. |
| [15] | Lengfellner H,Kremb G,Schnellbb(o)gl A,et al.Giant voltage upon surface heating in normal YBa2Cu3O7-δ films suggesting an atomic layer thermopile[J].Appl.Phys.Lett.,1992,60:501-503. |
| [16] | Zhang P X,Li W K,Zhang G Y.Time dependence of laser-induced thermoelectric voltages in La1-xCaxMnO3and YBa2Cu3O7-δ thin films[J].Appl.Phys.Lett.,2002,81:4026-4028. |
| [17] | Yutoh Y,Yamamoto M,Kuboya H,et al.First-principles simulation of electric and magnetic properties of Sr2FeMoO6 and analysis of its thermoelectric properties[J].Electronics and Communications in Japan Part II-Ekectronics,2005,88:11-18. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%