搜索结果: 1-7 共查到“理学 neutron diffraction”相关记录7条 . 查询时间(0.078 秒)
Phase stability and structural temperature dependence in sodium niobate: A high resolution powder neutron diffraction study
Phase stability structural temperature dependence high resolution powder neutron diffraction
2010/11/24
We report investigation of structural phase transitions in technologically important material sodium niobate as a function of temperature on heating over 300-1075 K. Our high resolution powder neutron...
In situ neutron diffraction study of non-convergent cation ordering in the (Fe3O4)1-x(MgAl2O4)x spinel solid solution
non-convergent cation ordering (Fe3O4)1-x(MgAl2O4)x spinel solid solution
2012/3/31
Non-convergent cation ordering in the (Fe O ) (MgAl O ) solid solution was investigated us-
ing in-situ time-of-flight neutron powder diffraction. The approach to equilibrium in a sample with
x = 0...
Thermodynamics and kinetics of cation ordering in MgAl2O4 spinel up to 1600 °C from in situ neutron diffraction
MgAl2O4 temperature to 1600C situ neutron diffraction
2012/3/30
Thetemperaturedependenceofthecationdistributioninsyntheticspinel(MgAl O )was2 4
determinedusingin-situtime-of-?ightneutronpowderdiffraction.Neutrondiffractionpat-
ternsofstoichiometricMgAl
O andsli...
Hydrogen positions and thermal expansion in lizardite-1T from Elba: A low-temperature study using Rietveld refinement of neutron diffraction data
Hydrogen positions thermal expansion lizardite-1T Elba low-temperature study neutron diffraction data
2012/4/6
Thestructure oflizardite-l Tfrom MonteFico,Elba,wasrefined in spacegroupP31m usingneutron diffractiondata, measuredat 8, 150,and 294K,and full-profile Rietveld
refinement techniques. Thelattice param...
Neutron Diffraction Study of a One-Layer Monoclinic Chlorite
Cation ordering Chlorite Crystal structure Hydrogen bonding Neutron diffraction
2012/1/6
A monoclinic IIb-2 clinochlore from the Achmatov mine, Ural Mountains, U.S.S.R., was investigated by neutron diffraction. The formula, based on electron microprobe and wet chemical analyses, is (Mg4.5...
Interfacial Water Structure in Montmorillonite from Neutron Diffraction Experiments
Clay-water system Hydroxyl orientation Interlayer water Montmorillonite Neutron diffraction
2011/11/22
Abstract: Neutron diffraction measurements for a preferentially oriented aggregate slab sample of deuterated Na-montmorillonite from Upton, Wyoming, are described for a series of clay-water contents r...
Neutron Diffraction from Clay-Water Systems
Humidity Montmorillonite Neutron Quasielastic
2011/11/18
Abstract: The use of neutron diffraction to determine some of the structural properties of montmorillonite-water systems at low water concentrations is described. The samples were prepared by compress...