Results 31 to 40 of about 11,223 (150)

Determination of La1-xSrxMnO3 crystal lattice parameters by Rietveld refinement

open access: yes, 2021
Cilj ovog rada bio je odrediti parametre kristalne rešetke stroncijem dopiranih lantanovih manganita (La1-xSrxMnO3) Rietveldovom metodom utočnjavanja te usporediti uspješnost utočnjavanja korištenjem tri različita modela. Uzorci La1-xSrxMnO3 (x = 0, 0,1,
Raspor, Marija
core   +2 more sources

Rietveld refinement with wavelet compressed data sets

open access: yes, 1999
Crystal structures of highly ordered triclinic kaolinite, cubic hexamethylentetramine and a part of the structure of monoclinic rare sugar were refined by Rietveld method using wavelet compressed sets of intensities.

core   +1 more source

Rietveld Refinement Analysis of Lampung Natural Zeolite Catalyst Impregnated Fe with Diffraction Method Using MAUD Software [PDF]

open access: yes
This research characterizes the space group and R-phase crystal structure using the XRD method and Rietveld refinement. Rietveld improvements using the Material Analysis Using Diffraction (MAUD) software are acceptable if the Rwp < 15% and Sig < 2 ...
Adhani, Lisa
core  

Some aspects of the determination of retained austenite using the Rietveld refinement

open access: yes, 2017
Purpose: The aim of the paper is to show the advantage of the application of the Rietveldrefinement for determination of retained austenite amount in multiphase microstructure steels.Design/methodology/approach: The steels used for the investigation were
M. Morawiec, A. Grajcar
core   +1 more source

XRD study of phase transformations in lithiated graphite anodes by Rietveld method

open access: yes, 2017
Commercial anodes with different state of charge are investigated by X-ray diffraction technique using Rietveld method for data collected with standard laboratory equipment.
Roman Shpanchenko   +2 more
core   +1 more source

SYXRD analysis on the deformation behavior of Fe-22Mn-0.6C TWIP steel by Rietveld refinement method

open access: yes, 2015
In this work, the mechanical properties and the microstructure evolution of Fe-22Mn-0.6C high-Mn TWIP steel are characterized by in situ synchrotron X-ray diffraction, and further the synchrotron X-ray diffraction patterns are analyzed by Rietveld ...
Bleck, Wolfgang   +2 more
core  

Rietveld refinement with time-of-flight powder diffraction data from pulsed neutron sources [PDF]

open access: yes, 1990
The recent development of accelerator-based pulsed neutron sources has led to the widespread use of the time-of-flight technique for neutron powder diffraction. The properties of the pulsed source make possible unusually high resolution over a wide range
David, W.I.F. (Rutherford Appleton Lab., Chilton (UK))   +1 more
core  

STRUCTURAL REFINEMENT OF SAMARIUM BISMUTH TITANATE USING RIETVELD METHOD [PDF]

open access: yes, 2009
The crystal structure of Bismuth titanate (BT) and Samarium Bismuth titanate (SBT) was analyzed using Rietveld method. Through the analysis, we found that the orthorhombic structure of BT was gradually changed to be a ...
Al-Amani, Umar
core  

Rietveld refinement for minerals : a tirilite synchrotron powder diffraction study

open access: yes, 2020
Rietveld refinement and synchrotron powder diffraction are both rather unknown for the common geologist, although very powerful methods in academic and industry applications.
Stenman, Jarkko
core  

Applications of Rietveld Method in Inorganic Materials [PDF]

open access: yes, 2007
利用X射线多晶衍射进行全谱拟合的Rietveld方法是材料科学中一种有效的研究方法。本文利用基于该原理设计的计算机程序GSAS和X’pertplus,结合自己的工作探索Rietveld方法在无机材料结构研究领域的一些应用,包括晶体结构精修、相变以及定量相分析。1.晶体结构精修。利用GSAS软件精修了未知结构化合物Li9Ga3(P2O7)3(PO4)2的晶体结构参数。该化合物为三方晶系,空间群为P3c1(158),晶体学参数为:a=9.72879(13)Å,c=13.5827(3)Å
刘晓轩
core  

Home - About - Disclaimer - Privacy