Hiroshi Kamimura, Yasumitsu Matsuo, Seiichiro Ikehata, T. Ito, M. Komukae, Toshio Ôsaka,
... of alkali‐hydrosulfates or hydroselenates, M 3 H(XO 4 ) 2 [M = K, Rb, Cs and X = S, ... 1) Two kinds of ionic states, H 2 XO 4 (+e) and XO 4 (−e) are formed by breaking a hydrogen‐bond thermally; (2) H 2 XO 4 (+e) and XO 4 (−e) ionic states move coherently from an XO 4 tetrahedron to a distant XO 4 as the result of successive proton tunneling among ... like states obtained from itinerancy of H 2 XO 4 (+e) and XO 4 (−e) ionic states is that of the Bethe ...
Tópico(s): Perovskite Materials and Applications
2003 - Wiley | physica status solidi (b)
... high temperature paraelastic phase of M 3 H(XO 4 ) 2 [M=Rb, Cs, X=S, Se] type ... 1) two kinds of defect states, H 2 XO 4 (+e) and XO 4 (-e) , are formed thermally by breaking of a hydrogen-bond, (2) the H 2 XO 4 (+e) defect state and the XO 4 (-e) defect state move coherently from an XO 4 tetrahedron to a distant XO 4 as the result of successive proton tunneling among ...
Tópico(s): High-pressure geophysics and materials
1998 - Physical Society of Japan | Journal of the Physical Society of Japan
M. Ichikawa, Daisuke Amasaki, Torbjörn Gustafsson, I. Olovsson,
... 4}$ (KDP)-type crystals ${\mathrm{MH}}_{2}{\mathrm{XO}}_{4}$ has been performed by searching the correlation between ... earlier, but also by the distortion of ${\mathrm{XO}}_{4}$ (via O-X-O angle ${\ensuremath{\alpha}}_{1})$ and the packing of M and ${\mathrm{XO}}_{4}$ along the c axis (via the rotation angle $\ ... alpha}}_{1}$ reflects the dipole moment of ${\mathrm{XO}}_{4}$ and $\ensuremath{\theta}$ may influence the amplitude of optical vibration of M and ${\mathrm{XO}}_{4}.$ The contribution of each structural part to the ...
Tópico(s): Crystal Structures and Properties
2001 - American Physical Society | Physical review. B, Condensed matter
Yusong Yang, Abha Sharma, Rajendra Sharma, Brad Patrick, Sharad S. Singhal, Piotr Zimniak, Sanjay Awasthi, Sanjay Awasthi,
... IgG. Upon treatment with xanthine/xanthine oxidase (XA/XO), 4-HNE, or prolonged UVA exposure, the control cells ... inhibited. This resistance of preconditioned cells to XA/XO-, 4-HNE-, or UVA-induced apoptosis could be abrogated ... IgG. Upon treatment with xanthine/xanthine oxidase (XA/XO), 4-HNE, or prolonged UVA exposure, the control cells ... inhibited. This resistance of preconditioned cells to XA/XO-, 4-HNE-, or UVA-induced apoptosis could be abrogated ...
Tópico(s): Vitamin C and Antioxidants Research
2003 - Elsevier BV | Journal of Biological Chemistry
... bzw. NaBr scheiden sich entsprechende Halogenapatite Me 5 (XO 4 ) 3 Y ab, mit Ausnahme von Ba 3 ( ... keine Jodapatite , sondern Apatite der Formel NaMe 4 (XO 4 ) 3 mit Ausnahme von Strontium‐ und Bariumarsenat und ‐ ... Chlorapatite, in BaJ 2 „Wagnerite”︁ Ba 2 (XO 4 )J und keine Jodapatite erhalten, während in BaBr ...
Tópico(s): Inorganic Fluorides and Related Compounds
1961 - Wiley | Chemische Berichte
... der Isotypie des Kaliumsulfates mit derartigen A 2 XO 4 ‐Verbindungen werden deren Gitterkonstanten für die rhombischen Niedertemperatur( ... tritt beim Erhitzen Zersetzung zu tertiären Salzen Me XO 4 und Me (XO 4 ) 2 ein. Der Grund für die Zersetzung kann ...
Tópico(s): Solid-state spectroscopy and crystallography
1961 - Wiley | Zeitschrift für anorganische und allgemeine Chemie
... Dagegen wurden die neuen isotypen Verbindungen Cd 2 XO 4 F (X = P, As, V) auf thermischem und ... Im Zusammenhang mit der Synthese von Cd 2 XO 4 F wird die relative Stabilität verschiedener Apatite diskutiert.
Tópico(s): Radioactive element chemistry and processing
1970 - Wiley | Zeitschrift für anorganische und allgemeine Chemie
Nicolas Maubec, Abdeltif Lahfid, Cathérine Lerouge, Guillaume Wille, Karine Michel,
... natural minerals of the alunite supergroup (AB(3)(XO(4))(2)(OH)(6)), with A=K(+), Na(+), Ca( ... in the chemical environment around the hydroxyl and XO(4) groups and changes in B-O bond lengths. ... elemental composition and a symmetry change of the XO(4) groups. This study has also made it possible ...
Tópico(s): Mineralogy and Gemology Studies
2012 - Elsevier BV | Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy
Long Shi, Dajiang Mei, Jingli Xu, Yuandong Wu,
... Three new bismuth-based compounds, Bi 2 O(XO 4 )(IO 3 ) 2 (X = S, Se, Cr) have ... 4 O 2 ] 8+ clusters, [IO 3 ] − and [XO 4 ] 2− (X = S, Se, Cr) groups. Bi atoms ...
Tópico(s): Organometallic Compounds Synthesis and Characterization
2016 - Elsevier BV | Solid State Sciences
G. Engel, Herbert Jäckle, L. Häbe‐Rapf,
Abstract Es wurden Halogenapatite M 4 La 6 (XO 4 ) 6 Z 2 sowie Oxyapatite M 2 La 8 (XO 4 ) 6 O 2 dargestellt; M = Sr, Pb, Ba; ... 1 (Germanate). Die Produkte „M 3 La 6 (XO 4 ) 6 ”︁ und „M 4 La 6 (XO 4 ) 6 O”︁ sind Gemische verschiedener Phasen. Ihre ... stellt einen Mischkristall zwischen M 2 La 8 (XO 4 ) 6 O 2 .
Tópico(s): Luminescence Properties of Advanced Materials
1978 - Wiley | Zeitschrift für anorganische und allgemeine Chemie
A. Weiss, Kurt Hartl, Ulrich Hofmann,
... 2+ -Ionen reagieren nach: 2 H{UO 2 XO 4 } + UO 2 2+ ⇄ UO 2 {UO 2 XO 4 } 2 +2 H + .
Tópico(s): Nuclear Materials and Properties
1957 - De Gruyter | Zeitschrift für Naturforschung B
... Cd leichter Verbindungen vom Apatit‐Typ Me 10 (XO 4 ) 6 Y 2 oder vom Wagnerit‐Typ Me 4 (XO 4 ) 2 Y 2 (X = P, As, Y = F, ...
Tópico(s): Radioactive element chemistry and processing
1965 - Wiley | Zeitschrift für anorganische und allgemeine Chemie
A. Magistris, Gaetano Chiodelli, Giuseppina Viganò Campari,
... phase diagrams of the systems AgI-Ag 2 XO 4 (X = Cr, Mo, W). A more detailed investigation ...
Tópico(s): Glass properties and applications
1976 - De Gruyter | Zeitschrift für Naturforschung A
... to liquid nitrogen temperature. In Rb 3 H(XO 4 ) 2 (X=S, Se) system a corresponding relation ... recognized in contrast to (NH 4 ) 3 H(XO 4 ) 2 system.
Tópico(s): Nonlinear Optical Materials Research
1979 - Physical Society of Japan | Journal of the Physical Society of Japan
R.D. Fischer, G. Werner, Thomas Lehmann, Günter Hoffmann, Fritz Weigel,
Abstract The compounds MPuO 2 XO 4 · yH 2 O and M ′( PuO 2 XO 4 ) 2 · zH 2 O ( X ≡ P , As ; M ≡ H + , K + , Rb + , NH ...
Tópico(s): Nuclear materials and radiation effects
1981 - Elsevier BV | Journal of the Less Common Metals
В. П. Тарасов, Viktor I. Privalov, Yu. A. Buslaev, U. Eichhoff,
... of the X nuclei in [XH 4 ] and [XO 4 ] depend on the atomic number of the X ...
Tópico(s): Magnetism in coordination complexes
1984 - De Gruyter | Zeitschrift für Naturforschung B
Jum-Suk Jang, Pramod H. Borse, Jae‐Sung Lee, Kwon-Taek Lim, Ok‐Sang Jung, Euh-Duck Jeong, Jong‐Seong Bae, Mi‐Sook Won, Hyun-Gyu Kim,
$Zn_2Ti_{1-x}Fe_xO_4\;(0\;{\leq}\;x\;{\leq}\;0.7)$ photocatalysts were synthesized by polymerized complex (PC) method and investigated for its physico-chemical as ... as optical properties. $Zn_2Ti_{1-x}Fe_xO_4$ can absorb not only UV light but also ...
Tópico(s): Microwave Dielectric Ceramics Synthesis
2009 - Wiley | Bulletin of the Korean Chemical Society
Li-Hsun Huang, Hsien‐Ming Kao, Kwang‐Hwa Lii,
... 4,4'-bpy)(0.5)(4,4'-Hbpy)(XO(4))].H(2)O (X = P, As; bpy = bipyridine), ...
Tópico(s): Chemical Synthesis and Characterization
2002 - American Chemical Society | Inorganic Chemistry
Andrea Sartorel, Mauro Carraro, Alessandro Bagno, Gianfranco Scorrano, Marcella Bonchio,
... protonated, site‐defective, polyoxotungstates with general formula γ ‐[(XO 4 )W 10 O 32 ] n− (X = Si, Ge, ...
Tópico(s): Advanced Nanomaterials in Catalysis
2008 - Wiley | Journal of Physical Organic Chemistry
... series of compounds with general formula AM(2)(XO(4))(2), where A = alkaline earth metal, M = Mg ... AsO(4))(2) is isotypic with BaNi(2)(XO(4))(2) (X = P, V or As) and is ...
Tópico(s): Metal-Organic Frameworks: Synthesis and Applications
2008 - International Union of Crystallography | Acta Crystallographica Section E Structure Reports Online
Prangya Parimita Sahoo, Tayur N. Guru Row,
Eulytite compounds, A(3)Bi(XO(4))(3) (X = P, A = Ca, Cd, Sr, Pb), belong to the noncentrosymmetric space group I4̅3d (No. 220) as determined by single- ...
Tópico(s): Luminescence Properties of Advanced Materials
2010 - American Chemical Society | Inorganic Chemistry
Ray L. Frost, Sara J. Palmer, Yunfei Xi,
... vanadates of the general formula A(2)B(XO(4))(OH,H(2)O), where A may be ... Fe(3+), Mn(2+), Mn(3+), Zn and XO(4) may be AsO(4), PO(4), SO(4), ...
Tópico(s): Clay minerals and soil interactions
2011 - Elsevier BV | Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy
Yan Wang, Guishan Zheng, Keiji Morokuma, Yurii V. Geletii, Craig L. Hill, Djamaladdin G. Musaev,
... from Mn to Fe slightly increases the M-(XO(4)) interaction, J-coupling constant, and energy gap between ... of redox-active centers (Fe) with the central XO(4)-unit slightly stronger, and (c) the J-coupling ...
Tópico(s): Magnetism in coordination complexes
2006 - American Chemical Society | The Journal of Physical Chemistry B
Olivier Mentré, El Mostafa Ketatni, Marie Colmont, Marielle Huvé, F. Abraham, V. Petřı́ček,
... BiCu(2)O(2)](3+) ribbons while three XO(4) configurations compete along the x(4) fourth dimension. ... and surrounding tetrahedral groups, depending on the average XO(4) size. Furthermore, between two ribbons the Cu(2+) ...
Tópico(s): Physics of Superconductivity and Magnetism
2006 - American Chemical Society | Journal of the American Chemical Society
... von Lanthanoid‐haltigen Verbindungen Ca 3 Ln 2 (XO 4 ) 3 mit X = Si, Ge, welche die Struktur ... La Nd liegen Gemische “Ca 3 Ln 2 (XO 4 ) 3 ” unter Beteiligung von Apatitphasen vor. Die Germanate ...
Tópico(s): Crystal Structures and Properties
1995 - Wiley | Zeitschrift für anorganische und allgemeine Chemie
M. F. A. DOVE, Jeremy C. P. Sanders, Evan H. Appelman,
... and 17 O) of the tetrahedral perhalate anions XO 4 − (X Cl, Br and I) were compared for ...
Tópico(s): Molecular spectroscopy and chirality
1995 - Wiley | Magnetic Resonance in Chemistry
Marc Sigrist, Philip L. W. Tregenna‐Piggott, Kasper S. Pedersen, Mikkel A. Sørensen, Anne‐Laure Barra, Jürg Hauser, Shi‐Xia Liu, Silvio Decurtins, H. Mutka, Jesper Bendix,
... of three, ferromagnetically coupled, μ 3 ‐κ 3 ‐[XO 4 ] – (X = Cl, Re) capped, manganese(III) oximate single‐ ... O(R‐sao) 3 (2,4′‐bipyridine) 3 XO 4 ] [X = Cl, R = Me, Et; X = Re, R = ...
Tópico(s): Lanthanide and Transition Metal Complexes
2015 - Wiley | European Journal of Inorganic Chemistry
Viktor Stefov, V. Koleva, Metodija Najdoski, Zuldjevat Abdija, A. Cahil, Bojan Šoptrajanov,
Infrared and Raman spectra of Mg2KH(PO4)2·15H2O and Mg2KH(AsO4)2·15H2O and a series of their partially deuterated analogues were recorded and analyzed. Compounds of the type Mg2KH(XO4)2·15H2O (X=P, As) are little-known and a rare case of phosphate and arsenate salts containing dimer units [H(XO4)2] in the crystal structure. The analysis of their IR spectra (recorded at room and liquid nitrogen temperature) and Raman spectra showed that the spectral characteristics of the XO4 groups connected in a dimer ...
Tópico(s): Radioactive element chemistry and processing
2017 - Elsevier BV | Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy
Muhammad Iqbal Hussain, R.M. Arif Khalil, Fayyaz Hussain,
Herein, the layered perovskites Bi 2 XO 4 (X = Be, Mg) have been taken into account to probe into their structural and optoelectronic behavior using an ab initio technique which ...
Tópico(s): Advanced Condensed Matter Physics
2021 - Wiley | Energy Technology
Alberto Schiraldi, Elisabetta Pezzati,
... range of the molten systems AgI-Ag 2 XO 4 (X = Mo, W). For the composition X AgI = ...
Tópico(s): Material Science and Thermodynamics
1976 - De Gruyter | Zeitschrift für Naturforschung A