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1. Crystallography of the litharge to massicot phase transformation from neutron powder diffraction data NSTL国家科技图书文献中心

Roderick J. Hill | Lachlan M. D. Cransw... - 《Acta Crystallographica,Section B..Structural science, crystal engineering and materials》 - 2025,81(1) - 146～160 - 共15页

摘要：The crystallographic phase change from tetragonal litharge (α‐PbO; P4/nmm) to orthorhombic massicot (β‐PbO; Pbcm) has been studied by full‐matrix Rietveld analysis of high‐temperature neutron powder d...

关键词： litharge | massicot | phase transformation | neutron powder diffraction

2. Magnetic properties of the geometrically frustrated S=1/2 antiferromagnets, La_2LiMoO_6 and Ba_2YMoO_6, with the B-site ordered double perovskite structure: Evidence for a collective spin-singlet ground state NSTL国家科技图书文献中心

Tomoko Aharen | John E. Greedan ... - 《Physical review, B. Condensed matter and materials physics》 - 2010,81(22) - 224409:1～224409:13 - 共13页 - 被引量：96

摘要：Two B-site ordered double perovskites, La_ 2LiMoO_6 and Ba_2YMoO_6, based on the S=1/2 ion, Mo~(5+), have been investigated in the context of geometric magnetic frustration. Powder neutron diffraction...

关键词： temperature | irreversibility | capacity

3. Structure and magnetic properties of the S=1 geometrically frustrated double perovskites La2LiReO6 and Ba2YReO6 NSTL国家科技图书文献中心

Tomoko Aharen | John E. Greedan ... - 《Physical review, B. Condensed matter and materials physics》 - 2010,81(6) - 064436:1～064436:9 - 共9页 - 被引量：62

摘要：Two B-site ordered double perovskites, La2LiReO6 and Ba2YReO6, with S=1 were investigated as geometrically frustrated antiferromagnets, using x-ray and neutron diffraction, superconducting quantum int...

关键词： antiferromagnets | neutron | diffraction

4. Magnetic properties of the S= 3/2 geometrically frustrated double perovskitesLa_2LiRuO_6 and Ba_2YRuO_6 NSTL国家科技图书文献中心

Tomoko Aharen | John E. Greedan ... - 《Physical review, B. Condensed matter and materials physics》 - 2009,80(13) - 134423:1～134423:7 - 共7页 - 被引量：77

摘要：Two B-site ordered double perovskites, Ba2YRuO6 and La2LiRuO6, have been reinvestigated as part of a systematic study of geometric magnetic frustration in this class of oxide materials. Both involve R...

关键词： Magnetic properties | perovskites | structural distortion

5. Long-range antiferromagnetic ordering in the S=1/2 ordered rocksalt oxide Li_5OsO_6: Comparison with the isoelectronic and isostructural spin glass Li_4MgReO_6 SCIE Web of Science核心 NSTL国家科技图书文献中心

Shahab Derakhshan | John E. Greedan ... - 《Physical review, B. Condensed matter and materials physics》 - 2008,77(1) - 014408.1～014408.8 - 共9页

摘要：Li_5OsO_6 and Li_5ReO_6 polycrystalline samples were synthesized by conventional solid state methods. Employing powder neutron diffraction data, the crystal structure of Li-5OsO_6 was reinvestigated. ...

关键词： antiferromagnetics

6. Effect of boron on the structural and electrochemical properties of nanocrystalline Ti{sub}2RuFeB{sub}x electrodes SCIE Web of Science核心 NSTL国家科技图书文献中心

Marco Blouin | Marie-Lise Tremblay ... - 《Electrochimica Acta》 - 2007,52(13) - 4497～4505 - 共9页

摘要：The effect of the boron content on the structural and electrochemical properties of nanocrystalline Ti{sub}2RuFeB{sub}x (with x varying from 0 to 12) was studied. The nanocrystalline materials were pr...

关键词： Ti{sub}2RuFeB{sub}x | Nanocrystalline alloy | Ball milling | Hydrogen evolution | H absorption | Chlorate electrolysis

7. The effect of the B-site cation and oxygen stoichiometry on the local and average crystal and magnetic structures of Sr2Fe_(1.9)M_(0.1)O_(5+y) (M = Mn, Cr, Co; y = 0, 0.5) SCIE Web of Science核心 NSTL国家科技图书文献中心

Farshid Ramezanipour | John E. Greedan ... - 《Journal of Materials Chemistry: An Interdisciplinary Journal dealing with Synthesis, Structures, Properties and Applications of Materials, Particulary Those Associated with Advanced Technology》 - 2012,22(19) - 9522～9538 - 共17页 - 被引量：19

摘要：Six compounds with formula Sr2Fe_(1.9)M_(0.1)O_(5+y) (M = Mn, Cr, Co; y = 0, 0.5) were synthesized in air and argon, exhibiting surprisingly different properties depending on the B-cation type in spit...

8. Phase Stability, Structural Evolution and Magnetic Properties of Sc_((1-x))Lu_xVO_3 (0.0 ≤ x ≤ 1.0) SCIE Web of Science核心 NSTL国家科技图书文献中心

Rylan J. Lundgren | Lachlan M. D. Cransw...... - 《Chemistry of Materials: A Publication of the American Chemistry Society》 - 2007,19(16) - 3945～3955 - 共11页

摘要：We report the synthesis and formation mechanism of Sc_((1-x))Lu_xVO_3 (0.0 x 1.0) using in situ powder X-ray diffraction and bulk solid-state preparation methods. The reduction of the solid solution...

9. Crystal and Magnetic Structures of High pressure Perovskite-Type Oxyfluorides, PbFeO{sub}2F and 0.5PbFeO{sub}2F-0.5Pb TiO{sub}3 [Pb(Fe{sub}0.5Ti{sub}0.5)O{sub}2.5F{sub}0.5] NSTL国家科技图书文献中心

Tetsuhiro Katsumata | Akihiro Takase ... - 《2006 MRS Fall Meeting: Solid-State Chemistry of Inorganic Materials》 - 2006 MRS Fall Meeting: Solid-State Chemistry of Inorganic Materials - 2006, - 124～129 - 共6页

摘要：The perovskites PbFeO{sub}2F and 0.5PbFeO{sub}2F-0.5PbTiO{sub}3 were synthesized at high temperatures (1000℃) and high pressures (4-6GPa). The crystal and magnetic structures were determined using pow...

10. Halite-sylvite thermoelasticity SCIE Web of Science核心 NSTL国家科技图书文献中心

David Walker | Pramod K. Verma ... - 《The American mineralogist》 - 2004,89(1) - 204～210 - 共7页

摘要：Unit-cell volumes of four single-phase intermediate halite-sylvite solid solutions have been measured to pressures and temperatures of ～ 28 kbar and ～ 700 ℃. Equation-of-state fitting of the data yiel...

摘要：The crystallographic phase change from tetragonal litharge (α‐PbO; P4/nmm) to orthorhombic massicot (β‐PbO; Pbcm) has been studied by full‐matrix Rietveld analysis of high‐temperature neutron powder d...

关键词： litharge | massicot | phase transformation | neutron powder diffraction

摘要：Two B-site ordered double perovskites, La_ 2LiMoO_6 and Ba_2YMoO_6, based on the S=1/2 ion, Mo~(5+), have been investigated in the context of geometric magnetic frustration. Powder neutron diffraction...

关键词： temperature | irreversibility | capacity

摘要：Two B-site ordered double perovskites, La2LiReO6 and Ba2YReO6, with S=1 were investigated as geometrically frustrated antiferromagnets, using x-ray and neutron diffraction, superconducting quantum int...

关键词： antiferromagnets | neutron | diffraction

摘要：Two B-site ordered double perovskites, Ba2YRuO6 and La2LiRuO6, have been reinvestigated as part of a systematic study of geometric magnetic frustration in this class of oxide materials. Both involve R...

关键词： Magnetic properties | perovskites | structural distortion

摘要：Li_5OsO_6 and Li_5ReO_6 polycrystalline samples were synthesized by conventional solid state methods. Employing powder neutron diffraction data, the crystal structure of Li-5OsO_6 was reinvestigated. ...

关键词： antiferromagnetics

摘要：The effect of the boron content on the structural and electrochemical properties of nanocrystalline Ti{sub}2RuFeB{sub}x (with x varying from 0 to 12) was studied. The nanocrystalline materials were pr...

关键词： Ti{sub}2RuFeB{sub}x | Nanocrystalline alloy | Ball milling | Hydrogen evolution | H absorption | Chlorate electrolysis

摘要：Six compounds with formula Sr2Fe_(1.9)M_(0.1)O_(5+y) (M = Mn, Cr, Co; y = 0, 0.5) were synthesized in air and argon, exhibiting surprisingly different properties depending on the B-cation type in spit...

摘要：We report the synthesis and formation mechanism of Sc_((1-x))Lu_xVO_3 (0.0 x 1.0) using in situ powder X-ray diffraction and bulk solid-state preparation methods. The reduction of the solid solution...

摘要：The perovskites PbFeO{sub}2F and 0.5PbFeO{sub}2F-0.5PbTiO{sub}3 were synthesized at high temperatures (1000℃) and high pressures (4-6GPa). The crystal and magnetic structures were determined using pow...

摘要：Unit-cell volumes of four single-phase intermediate halite-sylvite solid solutions have been measured to pressures and temperatures of ～ 28 kbar and ～ 700 ℃. Equation-of-state fitting of the data yiel...

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