Takahiro V

Negative thermal expansion in electron doped PbVO 3−xF x Takahiro Ogata1, Kengo Oka2*, and Masaki Azuma1* 1Laboratory for Materials and Structures, Tokyo Institute of Technology, 4259 Nagatsuta, Midoriku, Yokohama , Japan 2Department of Applied Chemistry, Faculty of Science and Engineering, Chuo University, Bunkyo, Tokyo , Japan *Email.

Takahiro v. The metathetical reaction of 2(dimethylamino)benzyllithium (BzNLi) with GaCl3 afforded the salt BzN2GaGaCl4 (4), the Xray crystal structure of which revealed a fourcoordinate cationic gallium center featuring two Ga−C σbonds and two N→Ga dative bonds (Crystal data for 4 monoclinic, space group P21/n, a = (2) Å, b = 154(4) Å, c = (3) Å, β = (3)°,. Takahiro Kuribayashi's 64 research works with 556 citations and 3,174 reads, including Field Reaction Experiments of Carbonate Minerals in Spring Waters Natural Analogue of Geologic CO 2. Feb 09, 17 · An ethylsubstituted diamidine, 1,8bis(N,N'diethylamidino)anthracene (1), for the recognition of dicarboxylic acids has been designed and synthesizedThe complexation of diamidine 1 with dicarboxylic acids 3, 4 and α,ω−dicarboxylic acids 6 (C 6C 11), showed the formation of 11 complexes in CH 3 CN On the other hand, for the complexation with a monocarboxylic acid and.

Jun 01, 02 · Two new highpressure phases of binary boron–sulfur compounds, B 2 S 3II and B 2 S 3III, were synthesized at 3–62 GPaA single crystal of B 2 S 3III was grown and the structure was determined (tetragonal, space group I4 1 /a, a=(2) Å, c=304(4) Å;. Oct 01, 04 · Comparative exploration of the nanometerscale atomic structure of K x Fe 2y Ch 2 (Ch = S, Se) was performed using neutron total scatteringbased atomic pair distribution function (PDF) analysis of 5 K powder diffraction data in relation to physical properties Whereas K x Fe 2y Se 2 is a superconductor with a transition temperature of about 32 K, the isostructural sulphide. S1 Supplementary Figures Figure S1 Observed (red point), calculated (upper green line) and difference (lower blue line) patterns from Rietveld analyses of the SXRD datafor BiNi 07Fe 03O 3 obtained at 300 K assuming a cubic Pm3m structure Figure S2.

!ª2 6 6 G# $å v Applied Quantum Optics Professor N W Hiroshi Yasaka 5%5 b W _ ,1b > Û # $å v Advanced Wireless Information Technology. May 01, 1997 · The unit cell parameters obtained through the refinement of 23 reflections are Trigonal, a=4790 (3) Å, c=4344 (3) Å, V=863 (2) ų The result of structure analysis in space group P 1m (No 162) indicates that the structure of phase G has close structural similarity to that of stishovite,SiO 2 The calculated density of phase G is 343 g. Bosoite has the space group P 6/ mmm, with the unitcell parameters a = 1390(3) Å, c = (2) Å, V = 1799(6) Å 3 and Z = 34 The crystal structure of bosoite was refined by singlecrystal Xray diffraction and converged to R 1 = 426% for the average model and R 1 = 296% for the model where all oxygen sites are split.

Jan 25, 19 · PbVO 3 with a large polar tetragonal distortion is a candidate for a negative thermal expansion (NTE) material because it shows a transition to cubic phase accompanied by 106% volume shrinkage under pressure Here, we demonstrate a giant NTE in fluorine substituted PbVO 3−x F xTetragonaltocubic transition was observed at x ~ 0Temperature induced transition. A 'read' is counted each time someone views a publication summary (such as the title, abstract, and list of authors), clicks on a figure, or views or downloads the fulltext. Abstract Two new highpressure phases of binary boronsulfur compounds, B 2 S 3II and B 2 S 3III, were synthesized at 362 GPaA single crystal of B 2 S 3III was grown and the structure was determined (tetragonal, space group I4 1 /a, a=(2) Å, c=304(4) Å;.

Oct 23,  · Bosoite has the space group P 6/ mmm, with the unitcell parameters a = 1390(3) Å, c = (2) Å, V = 1799(6) Å 3 and Z = 34 The crystal structure of bosoite was refined by singlecrystal Xray diffraction and converged to R 1 = 426% for the average model and R 1 = 296% for the model where all oxygen sites are split. To isolate stable chalcogenenyl halides, it is necessary to introduce sterically demanding substituents on the Ch atom 8,9,10We have decided to use the 9triptycyl (Trp) group as a steric protection group, as the simple synthesis of the corresponding dichalcogenides (1a,b) has already been reported 11,12,13The treatment of an ether solution of TrpSeSeTrp (1a) with SO 2 Cl 2. Jan 25, 18 · The fluorescence detection of diphosphonic acid and monophosphonic acid derivatives using the anthracenebased diamidine 1 has been investigated The diamidine 1 forms 11 and 12 complexes with the diphosphonic acid and monophosphonic acid derivatives, respectively, and showed a blue fluorescence (λ em = 432–442 nm) in a DMSO solution The.

(2) Å, V = 1799(6) Å3 and Z = 34 The crystal structure of bosoite was refined by singlecrystal Xray diffraction and converged to R1 = 426% for the average model, and R1 = 296% for the model where all oxygen sites are split. Cleavage of the C–H Bond in Bu 3 MeP by Zinc Porphyrin Dianions Formation of {Zn II (CH 2 PBu 3)(TPyPH)} − Containing Zn–C(ylide) Bond and the (TPyPH) 3– Macrocycle Showing Strong NIR Absorption Dmitri V Konarev*;. Takahiro Asai and Tadashi Matsumoto Introduction Adaptive estimation of parameters related to communica tion channels such as tap coefficients in adaptive equalizers as well as weights on elements of adaptive array antennas is considered as a key to achieving robustness of signal detec tors against variations in communication environments In.

FULL LENGTH ARTICLE Hydrothermal synthesis of KTi2(PO4)3, αTi(HPO4)2·H2OandγTi(PO4) (H2PO4)·2H2O from a lepidocrocitetype titanate Nobuhiro Kumada a, Akihito Imase , Sayaka Yanagidaa, Takahiro Takei , Akira Miura b, Nobuki Itoib and Toshiki Gotoc aCenter for Crystal Science and Technology, University of Yamanashi, Kofu, Japan;. Takahiro Sasamori Takahiro Sasamori received PhD degree from Kyushu University in 02 He got a position as Assistant Professor in 03 and as Associate Professor in 09 at Institute for Chemical Research, Kyoto University His main research fields are organometallic and maingroup element chemistry. The pulsed CO 2 laser induced SF 6 sensitized photodissociation of bromocyclobutane (BCB) and cyclohexene (CHN) is investigated BCB has two dissociation channels from its ground electronic state, HBr elimination yielding 1,3butadiene is the major channel (>90%) whereas, the ring cleavage producing vinyl bromide and ethylene is the minor one.

The new nitridoalumosilicate phosphor SrAlSi4N7Eu2 has been synthesized under nitrogen atmosphere at temperatures up to 1630 °C in a radiofrequency furnace starting from Sr metal, αSi3N4, AlN, and additional Eu metal The crystal structure of the host compound SrAlSi4N7 has been solved and refined on the basis of singlecrystal and powder Xray diffraction data In the. Oct 29, 13 · Takahiro Iwamoto 1, Hikaru Takaya 1, Toshiyasu Suzuki 2,3, Mamoru Fujitsuka 2,4, c=(8) Å, V=4(3) Å 3, Z=2, R all =, wR 2 =016, GOF=1068 (b) Crystal packing of 3 View. C = (3) Å V = (6) Å3 For Z = 2 and FW = , the calculated 3density is 1275 g/cm Based on the reflection conditions of 0k0 k = 2n packing considerations, a statistical analysis of intensity distribution, and the successful solution and refinement of the structure, the space group was determined to be.

V=78(1) Å 3, Z=100, R=30% and R w =28% for 3047 observed data I>300σ(I)The structure of B 2 S 3III. Mar 22, 21 · Bosoite has the space group P 6/ mmm, with the unitcell parameters a = 1390(3) Å, c = (2) Å, V = 1799(6) Å 3 and Z = 34 The crystal structure of bosoite was refined by singlecrystal Xray diffraction and converged to R 1 = 426% for the average model and R 1 = 296% for the model where all oxygen sites are split. Oct 01, 08 · BaCo 2 Sn 4 O 11 is isotypic with Rferrite, BaTi 2 Fe 4 O 11The Co atoms fully occupy trigonal–bipyramidal sites and are disordered with Sn atoms in octa­hedral sites (2/m symmetry), as represented in the formula BaCoSn 2 (Co 034 Sn 066) 4 O 11Ba atoms are situated in a 12fold coordinated site (symmetry).

Data are a = (9), c = 5850(4) Å, V = 945(1) Å3, and Z = 2 DISCUSSION Zálesíite from the Fuka mine contains Bi and is free of REE, similar to that obtained from the Dolores prospect (de Baranda et al, 03) The chemical compositions at large cation sites in zálesíite and Cabearing mixite group minerals are plotted on a CaBi. Osaka University Takahiro Ohgiku, Terutake Hayashi, Masaki Michihata, Yasuhiro Takaya Femtosecond pulse processing enables fine processing without the thermal diffusion In this paper we generate femtosecond pulse train beam, which has several femtosecond pulse in a few picosecond, and investigate the processing. The compound, belonging to a new structure type crystallizes in a rhombohedral system with space group R3̅m (a = (1) Å, c = (5) Å, V = 4448(1) Å 3, Z = 1) The overall crystal structure consists of alternatively packed unique Bi 2 O 2 and BiS 2 layers along 001 which are combined with each other by van der Waals.

Alexey V Kuzmin, Salavat S Khasanov, Alexander F Shestakov, Alexey L Litvinov, Pavel A Sobov. å V h ´a, § V $ Óa Maorong Chaib, Yunosuke Nakaharab, Takahiro Sato b, Takahiro Kusuyama b, Masato Machidaa ab U ­5 5 aKumamoto University, bMitsui Mining & Smelting Co, Ltd Rh/AlPO 4 c U 0 y ² ó K SNOCOC 3H 6O 2 o  _ P K Z S q ö &g K. As a series of structural chemistry of early transition metalphenoxides, the molecular structures of WCl 5 2,6(CH 3) 2 C 6 H 3 O (1) and WCl 4 2,6(CH 3) 2 C 6 H 3 O 2 (2) have been determined by an Xray diffraction methodCrystal data 1;.

Takahiro Kanda Hideharu Ishihara Treatment of Otrimethylsilyl selenocarboxylates with rubidium and caesium fluorides affords rubidium and caesium selenocarboxylates in good yields. Orthorhombic, space group Cmcm, a = 7979 (3), b = (4), c = (2) Å, V = (8) Å 3, Z = 4, D c = 2412 g cm −3, 2;. Sep 30, 18 · Verneite, Na 2 Ca 3 Al 2 F 14, is a new mineral first discovered in fumarolic samples from both Hekla, Iceland and Vesuvius, ItalyAdditional occurrences are so far from Eldfell and Fimmvörduhals, both on Iceland Verneite is cubic, I2 1 3, a = (1) Å, V = (3) Å 3, Z = 4, and corresponds to the known synthetic compoundThe empirical formula is Na 1 Ca 2 Al.

Fig 1c and see Supplementary Fig 1), with extended molecular lengths of up to. Takahiro Kanda Toshiaki Murai Rubidium and cesium selenocarboxylates (2 and 3) were found to be synthesized in good to high yields from the reaction of O. The crystal of 2 is orthorhombic, space group P2 1 2 1 2 1, a = 7451(1), b = (2), c = (2) Å, V = 116(3) Å 3, Z = 4, and R = 0053 Complexes 1 and 2 adopt a hexacoordinate structure in contrast to the heptacoordinate one of the closely related ethylenediamineN,N,N′,N′tetraacetate and nitrilotriacetate complexes.

Bosoite has the space group P6/mmm, with the unitcell parameters a = 1390(3) Å, c = (2) Å, V = 1799(6) Å 3 and Z = 34 The crystal structure of bosoite was refined by singlecrystal Xray diffraction and converged to R 1 = 426% for the average model and R 1 = 296% for the model where all oxygen sites are split. Crowningshieldite is the natural analog of the synthetic compound αNiS It has a NiAstype structure and is the hightemperature polymorph relative to millerite (βNiS), with an inversion temperature of 379 °C Crowningshieldite is hexagonal, space group P 6 3 / mmc , with a = 344(1) Å, c = 536(1) Å, V = 550(2) Å 3 , and Z = 2. The kinetics of the thermal cistotrans isomerization of N,N′diacylindigos(DAI) in various solvents and under high pressures has been studiedN,N′Dibenzoylindigos(DBI) isomerize about 10 times slower than molecules not having a benzene ring in the acyl groupsThe values of the activation volumes were about 80 cm 3 mol −1 for the former and about 30 cm 3 mol −1 for the latter.

Using powder XRD data obtained by the combined use of a Gandolfi camera and monochromatic synchrotron radiation, the following values are obtained a = (2), c = (4) Å, V = (4) Å 3, and D calc = 425 g/cm 3. Dissymmetric 1,3diphenylallene derivative 3 connected with 4,5bis(methylthio)tetrathiafulvalenyl and 1pyrenyl substituents was prepared and characterized The molecular structure was determined by Xray crystallographic analysis Optical resolution was accomplished using a recycling chiral HPLC, and its chiroptical properties were examined with optical rotation and. Oct 23, 1998 · Recently, we have carried out extensive development of new methods for the synthesis of αsubstituted serines, which should be remarkably interesting from the standpoint of pharmaceutical and bioorganic chemistry1, 2In earlier papers, we reported the diastereoselective aldoltype reaction and alkylation of the newly designed bislactim ether, ethyl (5R) or (5S)3,6.

Jun 03,  · Cédric Bourgès, a Naoki Sato, a Takahiro Baba, a Tetsuya Baba, a Isao Ohkubo, a Naohito Tsujii a and Takao Mori * a Author affiliations * Corresponding authors (Å) V Å 3) χ 2 R F R Bragg;. Mar 03, 21 · Bosoite has the space group P 6/ mmm, with the unitcell parameters a = 1390(3) Å, c = (2) Å, V = 1799(6) Å 3 and Z = 34 The crystal structure of bosoite was refined by singlecrystal Xray diffraction and converged to R 1 = 426% for the average model and R 1 = 296% for the model where all oxygen sites are split. Oct 12, 18 · Cramming of short amphiphilic oligomers First, we found out that one molecule of methylcapped OEOs nEO (n = 4–8;.

*Takahiro Kitajima1,Toshiki Kawashima1, Ryutaro Shiraishi1, Kazuhiro Sugimoto2, Shogo Nishikawa3 Abstract Although energy required in Syowa Station is provided with the fossil fuel now, it is possible that the 2s7Á Ô¹Ýb1 j"ác5 s7Á å\NiMHs7Á å \v_5% è. The SPE of annealledPMPC05 had the conductivity value of 714 × 10 − 5 S cm − 1 at 25°C, and the cell showed a stable discharge capacity of 1367 mAh g −1 under a current rate of 01 C. V=78(1) Å 3, Z=100, R=30% and R w =28% for 3047 observed data I>300σ(I) The structure of B 2 S 3III consists.