Results 21 to 30 of about 32,911 (288)

A carbamazepine-indomethacin (1:1) cocrystal produced by milling [PDF]

open access: yes, 2011
An X-ray amorphous mixture of carbamazepine and indomethacin transforms upon annealing to produce a novel 1:1 cocrystal, whose structure has been determined from laboratory powder X-ray diffraction (PXRD ...
Buckton, Graham   +6 more
core   +1 more source

Synthesis and characterization of a novel Y-Fe phase via kinetic neutron diffraction [PDF]

open access: yes, 2001
Kinetic in situ neutron diffraction has been used to study the crystallization of amorphous Y67Fe33. The results show that partial crystallization first occurs close to 300 ◦C where the Y phase is formed.
Kilcoyne, SH, Manuel, P, Ritter, C
core   +1 more source

CrVMoO7: MICROWAVE SYNTHESIS AND STRUCTURAL CHARACTERIZATION

open access: yesJournal of the Turkish Chemical Society, Section A: Chemistry, 2018
In this study, microwave synthesis method was operated to obtain CrVMoO7. Structural characterization of the compound was realized by powder X-ray diffraction (XRD) and fourier transform infrared spectrum (FTIR).
Gülşah Çelik Gül
doaj   +1 more source

A Cu2+ (S = 1/2) Kagom\'e Antiferromagnet: MgxCu4-x(OH)6Cl2 [PDF]

open access: yes, 2010
Spin-frustrated systems are one avenue for inducing macroscopic quantum states in materials. However, experimental realization of this goal has been difficult because of the lack of simple materials and, if available, the separation of the unusual ...
Anderson P. W.   +19 more
core   +1 more source

On the role of intrinsic disorder in the structural phase transition of magnetoelectric EuTiO3 [PDF]

open access: yes, 2011
Up to now the crystallographic structure of the magnetoelectric perovskite EuTiO3 was considered to remain cubic down to low temperature. Here we present high resolution synchrotron X-ray powder diffraction data showing the existence of a structural ...
Christos Panagopoulos   +9 more
core   +2 more sources

Trimerization of NaC2N3 to Na3C6N9 in the Solid [PDF]

open access: yes, 2000
Sodium dicyanamide NaC2N3 was found to undergo two phase transitions. According to thermal analysis and temperature-dependent X-ray powder diffractometry, the transition of α-NaC2N3 (1a) to β-NaC2N3 (1b) occurs at 33°C and is displacive.
Irran, Elisabeth   +3 more
core   +1 more source

RIETVELD TEXTURE REFINEMENT ANALYSIS OF LINDE TYPE A ZEOLITE FROM X-RAY DIFFRACTION DATA [PDF]

open access: yesJournal of Engineering Science and Technology, 2018
Rietveld method was used to conduct a texture refinement analysis for Linde type A zeolite prepared by hydrothermal conditions of 100 ºC for 4 h. Material Analysis Using Diffraction software, which is an open access/user-friendly software, was used to ...
SAMA M. AL-JUBOURI   +2 more
doaj  

Investigating phase transition and morphology of Bi-Te thermoelectric system

open access: yesMaterials Today Advances, 2020
The optimization of secondary phase in thermoelectric (TE) materials can help to improve the efficiency of the material. Being a potential candidate for lower temperature TE application, bismuth telluride (Bi2Te3) nanoparticles were synthesized via ...
V. Thakur   +4 more
doaj   +1 more source

Crystallite Size Effect on Lattice Strain and Crystal Structure of Ba1/4Sr3/4MnO3 Layered Perovskite Manganite

open access: yes, 2018
The single phase polycrystalline Ba1/4Sr3/4MnO3 layered perovskite manganite has been synthesized by combustion method having various crystallite sizes.
Kumar, Dinesh   +2 more
core   +1 more source

Structure Refinements of Organic Crystal Using Rietveld Method

open access: yesNihon Kessho Gakkaishi, 2011
Rietveld method has been widely used for structure refinements as a part of SDPD studies. In this account, practical tips on structure refinements of organic crystal are presented.
openaire   +2 more sources

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