We have successfully fabricated SrTiO3/(Sr1-x,Lax)TiO3 (STO/SLTO) superlattices on step-terrace structured SrTiO3, in which La defect is distributed in a regular manner of one dimension. The superlattices contain one unit cell thick SLTO layer with various stacking sequences. The charge ...
La(x)Sr(1-x)TiO(3)thin filmsSol-gel methodOptical and electrical propertiesHigh transparent LaxSr1-xTiO3thin film is fabricated by sol–gel process.Conductivity of LaxSr1-xTiO3thin films is improved after La doping.LaxSr1-xTiO3thin film is a promising candidate in the field of thin film...
We have successfully fabricated SrTiO3/(Sr1−x,Lax)TiO3 (STO/SLTO) superlattices on step-terrace structured SrTiO3, in which La defect is distributed in a regular manner of one dimension. The superlattices contain one unit cell thick SLTO layer with various stacking sequences. The charge ...
Effect of doping electrons on the electronic structure of single-crystalline La x Sr 1x TiO 3 samplex (x=0.001, 0.01, 0.05) has been studied for the fractured surface by ultraviolet photoemission spectroscopy (UPS). Two peaks in the band gap region of SrTiO 3 (in-gap peaks) are induced ...
采用凝胶-浇注法合成钙钛矿复合系的阳极材料Lax Sr1-1.5xTiO3(x=0.1 ~0.4),探究La掺杂量对相组成,烧结性能,力学性能及高温电导率等的影响.LaxSr1-1.5xTiO3粉体在1 100℃下预烧可得到典型的钙钛矿结构.在1400℃下煅烧得到的烧结体的电导率数据显示:当x=0.3时电导率最高,在测试温度为800℃时高达18...
We report the transport and magnetic properties of LaxSr1-xTiO3. Antiferromagnetic ordering of LaTiO3 with the Neel temperature TN ≈ 110 K disappears in the presence of less than one percent of Sr. For a wide range of x, the resistivity exhibits a strong decrease for temperatures below ...
The electronic structures of LaxSr1−xTiO3 (x=0.05, 0.10) and SrTiO3−δ have been investigated by soft-X-ray emission spectroscopy. The Raman shift at the t2g-resonance, is a d–d transition between the incoherent and coherent bands and has an energy value of about 2.2 eV, ...
LaSrTiOGdCeOElectrospinningLaxSr1−xTiO3 (LST) nanofibers with pure perovskite structure, smooth surface, uniform diameter and length are prepared by electrospinning technique, a…[ Qianjun HuLiquan FanYuwei WangZhuang WangYueping Xiong]Ceramics International...
A study of electron correlation effects on the properties of LaxSr1xTiO3 is presented using a single band repulsive Hubbard model and employing Gutzwiller approximation. A possibility of inducing superconductivity in this material is suggested.