Figure1.(a) XRD patterns of La-Co3O4/CC and Co3O4/CC. (b) SEM image of La-Co3O4/CC. (c) SEM and corresponding EDX elemental mapping images of La-Co3O4/CC. (d) Low and (e) high magnification TEM images of La-Co3O4. (f) HRTEM image of La-Co3O4. XPS spectra of L...
Fig. 3: Identification of La(II) valence states and structural analysis in LaMg6Ga6S16. La 3dXPS spectrum with fitting curves for the La metal powder, LaMg6Ga6S16, and La2S3a; LaL-edge normalized XANES spectra of LaMg6Ga6S16(red line) and La2S3(blue line); Inset (from black dashed...
XPS analysis of LaH3 shows that the conduction band of the La metal disappears and that a new hydrogen induced band is formed 5.8 eV below EF. The La 3d core levels of LaH3 are split into two peaks with about 13 of the intensity being in the low binding energy peak. We propose to ...
用XPS对LaSrCoO的研究 来自 《物理化学学报》官网 喜欢 0 阅读量: 32 作者:胡刚,Hu Gang 摘要: La_(1-x)Sr_xCoO_3 has been studied by XPS. It is showed that the La 3d_(5/2) spectrum is a doublet. The peak of higher one of BE is assigned to a shake-up satellite, which results ...
Whereas, La 3d XPS spectra clearly show the chemical shifting towards higher binding energy after fuel cell testing. Moreover, the oxidation states of Fe 2p should have dominant impact on the charge transportation and ORR activity of LaFe2O4; while, the change in peak positions of Fe3+ and...
High-resolution XPS spectra of La3d, Ba3d, Co2p, and O1s were obtained, shedding light on the formal oxidation states of these elements. Specifically, the high-resolution La3d spectrum (Fig.2b) exhibited two strong peaks at 832.57 and 849.36 eV, corresponding to the spin–orbit splitting of...
for the La 3d emission profile. De Asha et al. [7,8] in their lanthanumoxide(La 2 O 3 ) filmsgrownonCu(111) substrates observedasplit of theLa3dXPSspectragivingtwomaxima. It has been already reported that the 3d lines of La ...
Figure 9 XPS spectra of La2O3-V2O5-WO3/TiO2and V2O5-WO3/TiO2catalysts Full size|PPT slide 图9(b)为La2O3-V2O5-WO3/TiO2催化剂的La 3d轨道谱图,由图可知,在La 3d5/2轨道上出现了2个谱峰,分别是在结合能856.5 eV和852.9 eV处,3d3/2轨道上在839.7 eV和836.4 eV处也出现了两个谱峰。这种情况...
The chemical bonding structures in the interfacial layers were revealed by Gaussian decompositions of Ce 3d, La 3d, Si 2s, and O 1s photoemission spectra at different depths. We found that La atoms can diffuse into the CeO2 layer and a cerium-lanthanum complex oxide was formed in between ...
XPS compositional analysis of La doped Y2O3 thin films with different powers. (a) XPS spectrum of La doped Y2O3 films with different powers; (b)-(d) Y3d, O1s, and La spectra of samples, respectively View Download Figure 2 Spectrum of La doped Y2O3 samples with different powers, Y3d:...