Temperature dependent electronic structure of Pr0.67Sr0.33MnO3 film probed by X-ray absorption near edge structure

2014 ◽  
Vol 115 (17) ◽  
pp. 17E116 ◽  
Author(s):  
Bangmin Zhang ◽  
Cheng-Jun Sun ◽  
Jing-Sheng Chen ◽  
T. Venkatesan ◽  
Steve M. Heald ◽  
...  
Keyword(s):  
Electronic Structure ◽  
Temperature Dependent ◽  
Edge Structure ◽  
X Ray ◽  
X Ray Absorption

Electronic structure of TiO2 nanotube arrays from X-ray absorption near edge structure studies

2009 ◽  
Vol 19 (37) ◽  
pp. 6804 ◽  
Author(s):  
J. G. Zhou ◽  
H. T. Fang ◽  
J. M. Maley ◽  
M. W. Murphy ◽  
J. Y. Peter Ko ◽  
...  
Keyword(s):  
Electronic Structure ◽  
Tio2 Nanotube Arrays ◽  
Tio2 Nanotube ◽  
Nanotube Arrays ◽  
Edge Structure ◽  
X Ray ◽  
X Ray Absorption

Electronic structure study of liquid germanium based on x-ray-absorption near-edge structure spectroscopy

1999 ◽  
Vol 59 (3) ◽  
pp. 1571-1574 ◽  
Author(s):  
Chenxi Li ◽  
Kunquan Lu ◽  
Yuren Wang ◽  
Kozaburo Tamura ◽  
Shinya Hosokawa ◽  
...  
Keyword(s):  
Electronic Structure ◽  
Structure Study ◽  
Edge Structure ◽  
X Ray ◽  
X Ray Absorption

Local electronic structure of ZnS and ZnSe doped by Mn, Fe, Co, and Ni from x-ray-absorption near-edge structure studies

1996 ◽  
Vol 53 (3) ◽  
pp. 1119-1128 ◽  
Author(s):  
K. L/awniczak-Jabl/onska ◽  
R. J. Iwanowski ◽  
Z. Gol/acki ◽  
A. Traverse ◽  
S. Pizzini ◽  
...  
Keyword(s):  
Electronic Structure ◽  
Edge Structure ◽  
X Ray ◽  
Local Electronic Structure ◽  
X Ray Absorption

Electronic Structure of P-Doped ZnO Films with p-Type Conductivity

2006 ◽  
Vol 6 (11) ◽  
pp. 3422-3425
Author(s):  
Veeramuthu Vaithianathan ◽  
Jong Ha Moon ◽  
Chang-Hwan Chang ◽  
Kandasami Asokan ◽  
Sang Sub Kim
Keyword(s):  
Electronic Structure ◽  
Xanes Spectrum ◽  
Sharp Decrease ◽  
Zno Films ◽  
Charge Neutrality ◽  
Edge Structure ◽  
X Ray ◽  
Doped Zno ◽  
P Type ◽  
X Ray Absorption

The electronic structure of laser-deposited P-doped ZnO films was investigated by X-ray absorption near-edge structure spectroscopy (XANES) at the O K-, Zn K-, and Zn L3-edges. While the O K-edge XANES spectrum of the n-type P-doped ZnO demonstrates that the density of unoccupied states, primarily O 2p–P 3sp hybridized states, is significantly high, the O K-edge XANES spectrum of the p-type P-doped ZnO shows a sharp decrease in intensity of the corresponding feature indicating that P replaces O sites in the ZnO lattice, and thereby generating PO. This produces holes to maintain charge neutrality that are responsible for the p-type behavior of P-doped ZnO. Both the Zn K-, and Zn L3-edge XANES spectra of the P-doped ZnO reveal that Zn plays no significant role in the p-type behavior of ZnO:P.

scholarly journals X-ray Absorption Spectroscopic studies of Single Crystal SrFeO3-δ

2014 ◽  
Vol 70 (a1) ◽  
pp. C1527-C1527
Author(s):  
Shang Hsien Hsieh ◽  
Mukta Vinayak Limaye ◽  
Shashi Bhushan Singh ◽  
Yu Cheng Shao ◽  
Yu Fu Wang ◽  
...  
Keyword(s):  
Transition Temperature ◽  
Single Crystal ◽  
Thermal Hysteresis ◽  
Spectroscopic Studies ◽  
Temperature Dependent ◽  
Zone Method ◽  
Edge Structure ◽  
X Ray ◽  
Length Changes ◽  
X Ray Absorption

We have prepared a high quality single crystal of SrFeO3-δ (δ ~ 0.14) by the floating-zone method to study the electronic and atomic structures using temperature-dependent x-ray absorption near-edge structure (XANES), x-ray linear dichroism (XLD), and extended x-ray absorption fine structure (EXAFS) at the O K-edge, Fe L3,2- and K-edge. Resistivity measurements indicate that the SrFeO2.86 shows an anisotropic behavior, and thermal hysteresis behavior between 70 K and 40 K. The temperature dependent Fe K-edge EXAFS studies shows that the Fe-O bond length changes in ab-plane below transition temperature. The XLD results illustrate that as temperature is reduced from room temperature to below the transition temperature, the preferential occupancy of Fe majority-spin eg orbitals changes from the 3d3z2-r2 to 3dx2-y2, but restore to 3dx2-y2 after thermal hysteresis. Experimental findings suggest that the charge transfer during thermal hysteresis is induced by lattice distortions of the FeO6 octahedra in SrFeO2.86.

The use of XANES and ELNES for the Characterisation of Stabilised Zirconia

2001 ◽  
Vol 699 ◽  
Author(s):  
David W. McComb ◽  
Sergei Ostanin ◽  
Dimitris Vlachos ◽  
Alan J. Craven ◽  
Michael W. Finnis ◽  
...  
Keyword(s):  
Electronic Structure ◽  
Full Potential ◽  
Data Simulation ◽  
Edge Structure ◽  
Materials Analysis ◽  
X Ray ◽  
Lmto Method ◽  
Electron Energy Loss ◽  
X Ray Absorption ◽  
Atomic Coordinates

AbstractThe electron energy-loss near-edge structure (ELNES) and x-ray absorption near-edge structure (XANES) at the oxygen K-edge has been investigated in a range of yttria-stabilised zirconia (YSZ) materials. Analysis of near-edge structure reveals that both the crystallographic phase and the metal fraction of yttrium present can be determined directly from the oxygen K-edge data. Simulation of the ELNES/XANES was achieved using a pseudopotential based method to obtain the relaxed atomic coordinates combined with full-potential LMTO method to calculate the electronic structure.

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