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Journal articles on the topic 'Cobalt crystals'

Author: Grafiati

Published: 4 June 2021

Last updated: 18 February 2022

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1

Trujillo Villanueva, Luis Eduardo, Felipe Legorreta García, Fidel Pérez Moreno, Marius Ramírez Cardona, and Edgar Arturo Chávez Urbiola. "Ultraviolet Light Effects on Cobalt–Thiourea Complexes Crystallization." Crystals 11, no. 5 (2021): 473. http://dx.doi.org/10.3390/cryst11050473.

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In this work, a cobalt–thiourea complexes crystal synthesis was carried out comparatively with and without ultraviolet light assistance (λ = 253 nm), and its effect was studied. Through the solvent evaporation technique, crystalline forms were obtained, which were analyzed and characterized by different techniques: Raman spectroscopy, X-ray diffraction (XRD), and digital optical microscopy. Crystal’s shape changes were observed when comparing those obtained from the solution with and without ultraviolet (UV) assistance. It was found that the UV light effect on the crystals causes a structural

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2

Basch, Angelika, Liliana de Campo, Jörg H. Albering, and John W. White. "Texture Effects in the Delithiation of Lithium Cobalt Oxide." Materials Science Forum 736 (December 2012): 301–6. http://dx.doi.org/10.4028/www.scientific.net/msf.736.301.

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The effects of aqueous delithiation of lithium cobalt oxide crystals on the crystal texture and etching patterns has been studied by electron microscopy, x-ray and neutron diffraction at high resolution. The delithiation proceeds to exfoliation and in the process textural patterns that appear have been associated with periodic strains in the crystals developed by the delithiation.

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3

Vithana, Champika, Hidehiro Uekusa, Akiko Sekine, and Yuji Ohashi. "Modified photoreactivity due to mixed crystal formation. II. Enhanced reactivity upon conformational mimicry and cavity enlargement." Acta Crystallographica Section B Structural Science 58, no. 6 (2002): 986–97. http://dx.doi.org/10.1107/s0108768102019663.

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The 2-cyanopropyl (β-cyanopropyl) group in the cobaloxime complex of (2-cyanopropyl)(3-methylpyridine)bis(dimethylglyoximato)cobalt(III) takes a trans conformation around the Co—C—C—CN bond in the crystal and undergoes isomerization to the 1-cyanopropyl (α-cyanopropyl) group with a low reaction rate when the powdered crystals are irradiated with a xenon lamp. When the complex was mixed with (2-cyanoethyl)(3-methylpyridine)bis(dimethylglyoximato)cobalt(III) or (2-cyanoethyl)(3-ethylpyridine)bis(dimethylglyoximato)cobalt(III), a mixed crystal, Mix-I or Mix-II, was obtained. The cell parameters o

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4

Ignatius, I. Cicili, S. Rajathi, K. Kirubavathi, and K. Selvaraju. "Enhancement of second harmonic generation efficiency, laser damage threshold and optical properties of cobalt chloride doped with L-alanine single crystal." Journal of Nonlinear Optical Physics & Materials 25, no. 02 (2016): 1650017. http://dx.doi.org/10.1142/s021886351650017x.

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In the present study, L-alanine crystal is grown with cobalt chloride as dopant by low temperature solution growth using slow evaporation technique at room temperature. The lattice parameters of the grown pure and cobalt chloride doped L-alanine crystals were determined by the single crystal X-ray diffraction technique. The presence of the elemental composition such as cobalt chloride present in the L-alanine lattice was confirmed by energy dispersive X-ray analysis. The optical transmittance, absorbance, reflectance was measured and used to study the optical properties of the pure and doped L

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5

JACOBY, MITCH. "Zeolite-type crystals incorporate cobalt." Chemical & Engineering News 75, no. 35 (1997): 11. http://dx.doi.org/10.1021/cen-v075n035.p011.

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6

Usman, Mohammad, Mark D. Smith, Vancho Kocevski, Theodore Besmann, and Hans-Conrad zur Loye. "Complex cobalt silicates and germanates crystallizing in a porous three-dimensional framework structure." CrystEngComm 22, no. 6 (2020): 1112–19. http://dx.doi.org/10.1039/c9ce01662g.

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Single crystals of new cesium cobalt silicates and germanates exhibiting three-dimensional, ion-exchangeable crystal structures were grown from a mixed CsCl–CsF flux, and their electronic and magnetic properties were studied using DFT calculations.

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7

Romero, E., M. E. Mendoza, and R. Escudero. "Weak ferromagnetism in cobalt oxalate crystals." physica status solidi (b) 248, no. 6 (2011): 1519–25. http://dx.doi.org/10.1002/pssb.201046402.

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8

Kochuparampil, A. P., J. H. Joshi, and M. J. Joshi. "Growth, structural, spectroscopic, thermal, dielectric and optical study of cobalt sulphide-doped ADP crystals." Modern Physics Letters B 31, no. 27 (2017): 1750246. http://dx.doi.org/10.1142/s0217984917502463.

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As ammonium dihydrogen phosphate (ADP) is a popular nonlinear optical crystal, to engineer its linear and nonlinear optical properties, the chalcogenide compound cobalt sulphide (CoS) was doped and the crystals were grown by the slow solvent evaporation method. To increase the solubility of CoS in water, its nanoparticles were synthesized by wet chemical technique using ethylene diamine as the capping agent followed by microwave irradiation. The nanoparticle sample exhibited finite solubility in water and was used to dope in ADP crystals. The powder XRD patterns showed the single phase nature

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9

Bai, Yun Shan, Song Chen, Lu De Lu, and Jian Chun Bao. "Study of Degradation of Photocatalytic Methyl Orange on Nano Nd_xCo_2-xZr₂O₇." Advanced Materials Research 602-604 (December 2012): 169–73. http://dx.doi.org/10.4028/www.scientific.net/amr.602-604.169.

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Cubic pyrochlore type NdxCo2-xZr2O7 nano-crystals were prepared by salt-assistant glycine solution combustion method (SGCM), with neodymium nitrate, cobalt nitrate and zirconium nitrate as raw materials, glycine as the incendiary agent, and KCl as a reaction inert salt. The NdxCo2-xZr2O7 nano-crystals were characterized by means of XRD (X-ray powder diffraction), FT-IR (Fourier trans-form-infrared spectroscopy), Raman spectroscopy, TEM (Transmission electron microscope) and HRTEM (High resolution transmission electron microscopy). The results showed that neodymium ions were partially substitut

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10

Lee, Seok-Joo, Jae-Eun Kim, and Hae Yong Park. "Optical absorption of Co2+ in MgIn2S4, CdIn2S4, and HgIn2S4 spinel crystals." Journal of Materials Research 18, no. 3 (2003): 733–36. http://dx.doi.org/10.1557/jmr.2003.0099.

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The optical absorption spectra of cobalt-doped MgIn2S4, CdIn2S4, and HgIn2S4 single crystals grown by a chemical transport reaction were investigated at 7 K. The values of Dq and B calculated from the observed spectra show that the d electrons are more delocalized in the order of MgIn2S4, CdIn2S4, and HgIn2S4. Because this order corresponds to the decreasing order of the electronegativity differences between the metal and sulfur atoms of the host crystals, we conclude that as the metal-sulfur bonds in the host crystals are more covalent, the d electrons of the cobalt impurities are more spread

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11

Richardson, C., S. G. Telfer, and R. M. Hartshorn. "2-Cyclopropylglycinatobis(2,2´-bipyridyl)cobalt(III) Diperchlorate and its Dihydrate." Australian Journal of Chemistry 55, no. 8 (2002): 539. http://dx.doi.org/10.1071/ch02038.

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The crystal structures of 2-cyclopropylglycinatobis(2,2�-bipyridyl)cobalt(III) diperchlorate, [Co(cpg)(2,2�- bpy)2](ClO4)2 (1), and its dihydrate [Co(cpg)(2,2�-bpy)2](ClO4)2�2H2O (2), are the first reported structures of a metal complex of 2-cyclopropylglycinate. Mixtures of the two kinds of crystals are formed from solutions that contain an excess of the Δ-R/Λ-S diastereoisomer. This diastereoisomer predominates in the solid state, but small amounts of the Δ-S/Λ-R diastereoisomer are also present, creating a disordered structure. Modelling the disorder to fit the diffraction data gives a dias

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12

Gerstein, Gregory, Marc Nowak, Marten Sebastian Bierbaum, Tatjana Zhuravina, Mirko Schaper, and Friedrich Wilhelm Bach. "Increase the Deformability of NiCo Single Crystals Using of Electrical Pulse-Like Currents." Key Engineering Materials 504-506 (February 2012): 143–48. http://dx.doi.org/10.4028/www.scientific.net/kem.504-506.143.

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The effect of short-term electrical pulses on metallic single crystals, with and without the application of external mechanical stresses, was investigated with the aid of deformation reliefs. The nickel-cobalt single crystals were subjected to electrical pulses and subsequently microscopically measured. In doing this, it was established that an electrical pulse without a simultaneously applied mechanical stress, has no influence on the deformation relief. It was possible to show that on loading the single crystal with a mechanical stress, the deformation relief significantly changes even when

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13

Ohhara, Takashi, Hidehiro Uekusa, Yuji Ohashi, Ichiro Tanaka, Shintaro Kumazawa, and Nobuo Niimura. "Direct observation of deuterium migration in crystalline-state reaction by single-crystal neutron diffraction. III. Photoracemization of 1-cyanoethyl cobaloxime complexes." Acta Crystallographica Section B Structural Science 57, no. 4 (2001): 551–59. http://dx.doi.org/10.1107/s0108768101006838.

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The H atoms bonded to the chiral C atoms (stereogenic center) of the 1-cyanoethyl groups in two cobalt complexes, [(R)-1-cyanoethyl]bis(dimethylglyoximato)(pyridine)cobalt(III) (2) and [(R,S)-1-cyanoethyl]bis(dimethylglyoximato)(piperidine)cobalt(III) (3), were replaced with D atoms, such as Co—C*D(CH3)CN. The crystals of the two cobalt complexes were irradiated with a xenon lamp for 72 h and 27 d, respectively. The unit-cell dimensions were gradually changed with retention of the single-crystal form. The crystal structures after irradiation were determined by neutron diffraction. In each crys

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14

Hambley, TW, TW Hambley, GH Searle, and GH Searle. "Cobalt(III) Complexes of the 10-Membered Macrocycle 1,4,7-Triazacyclodecane. The Structure of trans-Bis(1,4,7-triazacyclodecane)cobalt(III) Perchlorate." Australian Journal of Chemistry 46, no. 12 (1993): 1955. http://dx.doi.org/10.1071/ch9931955.

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The crystal structure of trans-[Co( tacd )2](ClO4)3 has been determined by X-ray diffraction methods and refined to a residual of 0.054 for 2477 independent observed reflections. The crystals are monoclinic, P 21/c, a 18.627(2), b 9.3438(5), c 16.057(2)Ǻ, β 119.45(2)°. Two complex cations are located at centres of symmetry and the ligands adopt λ,δ,chair conformations. Bond lengths from cobalt to nitrogen atoms in the six- membered ring (average 1.995 Ǻ) are significantly longer than those only associated with five- membered rings (average 1.961 Ǻ).

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15

Bai, Yun Shan, Jian Ping Zeng, Lu De Lu, and Jian Chun Bao. "Study of Preparation of Nano Nd_xCo_2-xZr₂O₇ and its Catalytic Properties on Ammonium Perchlorate Thermal Decomposition." Advanced Materials Research 602-604 (December 2012): 178–82. http://dx.doi.org/10.4028/www.scientific.net/amr.602-604.178.

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Cubic pyrochlore type NdxCo2-xZr2O7nano-crystals were prepared by salt-assistant glycine solution combustion method (SGCM), with neodymium nitrate, cobalt nitrate and zirconium nitrate as raw materials, glycine as the incendiary agent, and KCl as a reaction inert salt. The NdxCo2-xZr2O7nano-crystals were characterized by means of XRD (X-ray powder diffraction), FT-IR (Fourier trans- form-infrared spectroscopy), Raman spectroscopy, TEM (Transmission electron microscope) and HRTEM (High resolution transmission electron microscopy). The results showed that neodymium ions were partially substitute

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16

Yu, Shi Yong, Yun Ma, Zhen Cao, and Hai Quan Su. "Characterization of Cobalt-Based Catalyst Supported on TiO₂ Nanofibers for Fischer-Tropsch Synthesis." Advanced Materials Research 418-420 (December 2011): 46–49. http://dx.doi.org/10.4028/www.scientific.net/amr.418-420.46.

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The cobalt-based FT catalysts, in which Co crystals supported on TiO2nanofibers, were prepared by convenient method. The structure of the catalysts was examined and cobalt-based catalysts using TiO2nanofibers as a support for the application of FT were investigated. Based on CO hydrogenation, the cobalt species dispersed on the TiO2nanofibers have higher selectivity and activity.

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17

Ackermann, Hartmut, Roland Leo, Werner Massa та Kurt Dehnicke. "Kristallstruktur des Oxo-Acetatkomplexes [Co7(μ4- O)2(O2CCH3)10(OPEt3)2] / Crystal Structure of the Oxo-Acetate Complex [Co7(μ4 -O)2(O2CCH3)10(OPEt3)2]". Zeitschrift für Naturforschung B 53, № 10 (1998): 1241–43. http://dx.doi.org/10.1515/znb-1998-1023.

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AbstractCobalt(II)acetate reacts with the silylated phosphinimine Me3SiNPEt3 at 230 °C to form a reaction mixture from which dark blue single crystals have been isolated by recrystallization from dichloromethane/ acetonitrile. They were identified by a crystal structure determination to be [Co7(μ4- O)2(O2CCH3)10(OPEt3)2] · 4 CH3CN (1). Lattice dimensions at 190 K: a = 1048.9(1), b = 1217.5(1), c = 1280.6(1) pm, a = 87.75(1)°, β = 77.72(1)°, y = 73.90(1)°, space group P1, Z = 1, R1 = 0.0257. 1 has a centrosymmetric cluster-like structure in which the central cobalt atom is connected via two μ4-

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18

Yurkin, G. Y., G. S. Patrin, V. V. Beletsky, and D. A. Velikanov. "Transport Properties of FeSi with Cobalt Impurities." Solid State Phenomena 168-169 (December 2010): 493–96. http://dx.doi.org/10.4028/www.scientific.net/ssp.168-169.493.

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The results of experimental investigations of Fe1-xCoxSi crystals in the impurity limit are presented in this article. We made an attempt to study changes of magnetic properties and conductivity in mixed Fe1-xCoxSi crystals in the impurity limit. Magnetoresistance properties are well described in the framework of Kondo model. The presence of Co-subsystem leads to the occurrence of spin-dependent channel in electron scattering conduction.

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19

Kazak, N. V., N. B. Ivanova, V. V. Rudenko, S. G. Ovchinnikov, A. D. Vasil’ev, and Yu V. Knyazev. "Conductivity Study of Co₃O₂BO₃ and Co_3-xFe_xO₂BO₃ Oxyborates." Solid State Phenomena 152-153 (April 2009): 104–7. http://dx.doi.org/10.4028/www.scientific.net/ssp.152-153.104.

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Single crystals of cobalt oxyborates Co3O2BO3 and Co3-xFexO2BO3 were synthesized. The crystal structure and electric properties were investigated. The difference in the electrical resistivity behaviors was found. For parent Co3O2BO3 nor simple activation law, nor Mott variable range hopping (VRH) are acquirable to describe the experimental data in wide temperature region. In contrast for Co3-xFex O2BO3 Mott’s variable-range hopping conductivity clearly dominates.

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20

Hawkins, CJ, E. Horn, J. Martin, JAL Palmer, and MR Snow. "Synthesis and Characterization of Binuclear and Trinuclear Cobalt(III) Complexes With Imidazolate Bridges." Australian Journal of Chemistry 39, no. 8 (1986): 1213. http://dx.doi.org/10.1071/ch9861213.

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Two cobalt(III) ammine complexes are described which have an imidazolate ( Im ) ligand bridging cobalt(III) centres . Their electronic absorption spectra, 1H, 13C and 59Co n.m.r . spectra, and electrochemical data are presented. One complex is a bis [ pentaamminecobalt (III)] complex, [(H3N)5Co( Im )Co(NH3)5]5+, and the other has two pentaammineimidazolatocobalt (III) units coordinated in the cis arrangement to tetraamminecobalt (III). The crystal structure of cis - [(NH3)4Co{( Im )Co(NH3)5}2]Cl2(S2O6)2(OH).3.5H2O is reported. The crystals in the form of orange needles are monoclinic: Cc, a 20

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21

Ricci, Giovanni, Giuseppe Leone, Giorgia Zanchin, et al. "Some Novel Cobalt Diphenylphosphine Complexes: Synthesis, Characterization, and Behavior in the Polymerization of 1,3-Butadiene." Molecules 26, no. 13 (2021): 4067. http://dx.doi.org/10.3390/molecules26134067.

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Some novel cobalt diphenylphosphine complexes were synthesized by reacting cobalt(II) chloride with (2-methoxyethyl)diphenylphosphine, (2-methoxyphenyl)diphenylphosphine, and 2-(1,1-dimethylpropyl)-6-(diphenylphosphino)pyridine. Single crystals suitable for X-ray diffraction studies were obtained for the first two complexes, and their crystal structure was determined. The novel compounds were then used in association with methylaluminoxane (MAO) for the polymerization of 1,3-butadiene, and their behavior was compared with that exhibited in the polymerization of the same monomer by the systems

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22

Savoini, B., R. González, J. V. Pinto, R. C. da Silva, and E. Alves. "Copper and cobalt nanocolloids in implanted MgO crystals." Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms 257, no. 1-2 (2007): 563–67. http://dx.doi.org/10.1016/j.nimb.2007.01.133.

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23

Il’ichev, N. N., P. V. Shapkin, A. S. Nasibov, and S. E. Mosaleva. "Cobalt diffusion during doping of ZnSe single crystals." Inorganic Materials 43, no. 10 (2007): 1050–53. http://dx.doi.org/10.1134/s0020168507100044.

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24

Guillot, M., J. Ostoréro, A. Marchand, and A. Barlet. "MAGNETIC PROPERTIES OF CADMIUM-COBALT FERRITE SINGLE CRYSTALS." Le Journal de Physique Colloques 49, no. C8 (1988): C8–923—C8–924. http://dx.doi.org/10.1051/jphyscol:19888420.

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25

Lehtinen, O., L. Sun, T. Nikitin, et al. "Ion irradiation of carbon nanotubes encapsulating cobalt crystals." Physica E: Low-dimensional Systems and Nanostructures 40, no. 7 (2008): 2618–21. http://dx.doi.org/10.1016/j.physe.2007.07.011.

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26

Khunur, Mohammad Misbah, Dini Tri Wahyuni, Gigih Wahyu Kurniawan, and Yuniar Ponco Prananto. "Thiocyanate Doping in Gel-Growth Cobalt Oxalate Crystals." IOP Conference Series: Materials Science and Engineering 833 (July 1, 2020): 012017. http://dx.doi.org/10.1088/1757-899x/833/1/012017.

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27

Šimkienė, I., A. Rėza, A. Kindurys, et al. "Magnetooptics of opal crystals modified by cobalt nanoparticles." Lithuanian Journal of Physics 50, no. 1 (2010): 7–15. http://dx.doi.org/10.3952/lithjphys.50114.

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28

Klotsman, S. M., S. V. Osetrov, and A. N. Timofeev. "Volume diffusion of cobalt in tungsten single crystals." Physical Review B 46, no. 5 (1992): 2831–37. http://dx.doi.org/10.1103/physrevb.46.2831.

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29

Riad, A. S., A. E. El-Samahy, and S. M. Khalil. "Electrical measurements of ß-cobalt phthalocyanine single crystals." Physica B: Condensed Matter 215, no. 2-3 (1995): 217–21. http://dx.doi.org/10.1016/0921-4526(95)00400-4.

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30

Behal, S. K., R. R. Chianelli, and B. H. Kear. "Edge plane segregation in cobalt-doped MoS2 crystals." Materials Letters 3, no. 9-10 (1985): 381–84. http://dx.doi.org/10.1016/0167-577x(85)90082-5.

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31

Prasad, N. V., G. Prasad, T. Bhimasankaram, S. V. Suryanarayana, and G. S. Kumar. "Dielectric properties of cobalt doped cadmium oxalate crystals." Bulletin of Materials Science 19, no. 4 (1996): 639–43. http://dx.doi.org/10.1007/bf02745154.

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32

Rajendran, V., and S. Gnanam. "Growth and Characterization of Co-DopedL-Lysine Monohydrochloride Dihydrate (CLMHCl) Single Crystals by Slow Evaporation Method." E-Journal of Chemistry 9, no. 2 (2012): 563–68. http://dx.doi.org/10.1155/2012/583080.

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Single crystal of Cobalt doped L-Lysine monohydrochloride dihyrate (CLMHCl) was grown by slow evaporation technique from its aqueous solution. The effects of Co-doping on the growth, structural, and optical properties of CLMHCl crystal have been investigated. To grow good quality crystals pH value of growth solution has been optimized and solubility of CLMHCl values was determined. The cell parameters are verified by single crystal X-ray Diffraction. Fourier transform infrared spectum (FT-IR) is used to confirm the presence of various functional groups in the grown crystal. The presence of Co

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33

Hossain, Mostak, Shahan Ara Begum, and Jiban Podder. "Growth, structural, thermal and optical properties of Mg2+ -Co2+ doped potassium acid phthalate crystals." Journal of Bangladesh Academy of Sciences 37, no. 2 (2014): 165–72. http://dx.doi.org/10.3329/jbas.v37i2.17557.

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Single crystals of pure potassium acid phthalate (KAP) and magnesium-cobalt (Mg2+-Co2+) co-doped potassium acid phthalate crystals were grown by an isothermal evaporation method. Optically transparent and coloured KAP single crystals were grown by doping divalent bimetallic impurities. Enhancement of the metastable zonewidth was achieved by the addition of co-doped bimetallic impurities in KAP solution. It is anticipated that these larger cations play a vital role in the growth mechanism and it favours to reduce the formation of secondary nucleation by positioning the doped metal ions into the

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34

Gatehouse, BM, G. Mclachlan, LL Martin, RL Martin, and L. Spiccia. "Crystal and Molecular Structure of the Peroxo-Bridged Dimer [(trenen)CoO2Co(trenen)] (ClO4)4 Where trenen = N,N,N'-Tris(2-aminoethyl)-ethane-1,2-diamine." Australian Journal of Chemistry 44, no. 3 (1991): 351. http://dx.doi.org/10.1071/ch9910351.

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The preparation and crystal structure of the brown crystalline cobalt(III) dimer [( trenen )CoO2-Co( trenen )](ClO4)4 is described where the pentadentate ligand trenen is N,N,N′- tris (2-aminoethyl)ethane-1,2-diamine. The compound forms monoclinic crystals with a 13.132, b 14.214, c 8.906Ǻ and β 91.53°, and two formula units in the unit cell, in space group P21/n. The nitrogen atoms of the trenen ligand occupy five of the six slightly distorted octahedral sites about each cobalt atom with a peroxo bridge linking the two Co( trenen ) moieties through the sixth site. The Co-O-O-Co dihedral angle

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35

Rajagopal, B., M. V. Ramana, and A. V. Sarma. "Dielectric, Thermal and FTIR Studies of Cobalt Doped Magnesium Hydrogen Maleate Hexahydrate Single Crystals." Material Science Research India 8, no. 1 (2011): 91–96. http://dx.doi.org/10.13005/msri/080112.

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Present work reports the dielectric, thermal and FTIR studies of Co2+: MHMH single crystal for the first time. The influence of addition of transition metal ions on the dielectric properties, like dielectric constant, loss tangent,a.c. conductivity and activation energy of these crystals was discussed. FTIR studies confirm the presence of carboxylate ions. The melting point of the sample and final product after decomposition are studied using TG/DTA.

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36

Vasilyeva, Natalie, Marina Grigorieva, Alexander Antipin, Natalia Sorokina, and Alexey Voloshin. "Growth and structure of K2CoxNi(1-x)(SO4)2·6H2O mixed single crystals." Acta Crystallographica Section A Foundations and Advances 70, a1 (2014): C1029. http://dx.doi.org/10.1107/s2053273314089700.

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To date, crystals of Tutton salts with the general formula (M+)2M2+(SO4)2*6N2O (where M+- alkali metal or ammonium, M2+ - bivalent metal - Co2+, Ni2+) are used as a materials for ultraviolet (UV) filters. Only in recent year effort of ternary crystal growth has been taken. The main problem of mixed crystal growth from liquid solution is high level of the crystal inhomogeneity, which leads to generation of the elastic stress, inclusion trapping and micro- and macrocrack formation in the bulk crystal. For the first time the optically homogeneous mixed K2CoxNi(1 – x)(SO4)2 · 6H2O (KCNSH) large si

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37

Mohan, Midhun, Love Karan Rana, Thierry Maris, and Adam Duong. "Intercalated 2D+2D hydrogen-bonded sheets in co-crystals of cobalt salt with 1H,1′H-[3,3′]bipyridinyl-6,6′-dione." Canadian Journal of Chemistry 98, no. 7 (2020): 347–51. http://dx.doi.org/10.1139/cjc-2019-0415.

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Co-crystals of Co(II) salt and 1H,1′H-[3,3′]bipyridinyl-6,6′-dione 1 with the composition 1·Co(CHOO)2(H2O)4 were obtained by mixing both reactants. The single-crystal structure reveals that the metal salt and organic ratio is 1:1. The supramolecular organization of the two components in the co-crystal was mainly dictated by hydrogen bonds between 1 and Co(II) complex. Infrared and powder X-ray diffraction were used to confirm the homogeneity and the phase purity of the bulk crystalline sample of 1·Co(CHOO)2(H2O)4. TGA/DTA was recorded to evaluate the thermal stability of the co-crystals.

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38

Rocco, Dalila, Alessandro Prescimone, Y. Klein, Dariusz Gawryluk, Edwin Constable, and Catherine Housecroft. "Competition in Coordination Assemblies: 1D-Coordination Polymer or 2D-Nets Based on Co(NCS)2 and 4′-(4-methoxyphenyl)-3,2′:6′,3″-terpyridine." Polymers 11, no. 7 (2019): 1224. http://dx.doi.org/10.3390/polym11071224.

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The synthesis and characterization of 4′-(4-methoxyphenyl)-3,2′:6′,3″-terpyridine (2) (IUPAC PIN 24-(4-methoxyphenyl)-12,22:26,32-terpyridine) are described, and its coordination behaviour with cobalt(II) thiocyanate has been investigated. In a series of experiments, crystals were grown at room temperature by layering a MeOH solution of Co(NCS)2 over a CHCl3 solution of 2 using 1:1, 1:2 or 2:1 molar ratios of metal salt-to-ligand. Crystals harvested within 2–3 weeks proved to be the 1D-coordination polymer [Co(2)(NCS)2(MeOH)2]n and powder X-ray diffraction (PXRD) confirmed that the crystals se

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Ackermann, Hartmut, Frank Weller та Kurt Dehnicke. "[Co4(ν3-NPEt3)2(HNPEt3)2(O2C-CH3)2- (ν-OSiMe2OSiMe2O)2] - ein vierkerniger Cobalt(II)-Komplex mit Leiterstruktur / [Co4(ν3-NPEt3)2(HNPEt3)2(O2C-CH3)2-(ν-OSiMe2OSiMe2O)2] - a Tetranuclear Cobalt(II) Complex with Ladder Structure". Zeitschrift für Naturforschung B 55, № 5 (2000): 448–52. http://dx.doi.org/10.1515/znb-2000-0516.

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The title compound has been prepared from cobalt( II) acetate and Me3SiNPEt3 in boiling toluene in the presence of silicon grease and traces of water as blue single crystals which were characterized by IR spectroscopy and by a crystal structure determination. Space group Pbca, Z = 8, lattice dimensions at -50 °C: a = 1449.3(1), b = 1724.9(1), c = 2356.6(2) pm, R = 0.0548. [Co4(ν3-NPEt3)2(HNPEt3)2(O2C-CH3)2-(v-OSiMe2OSiMe2O)2] has a centrosymmetric structure. The four cobalt atoms which are coordinated tetrahedrally are v3-bridged via the N atoms of the two (NPEt3-) groups and v2-bridged by the

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Jain, V. K. "Electron Spin Resonance of Mn2+ in Eu2M”3(NO3)12 · 24H2O (M” = Zn, Co) Single Crystals." Zeitschrift für Naturforschung A 58, no. 12 (2003): 677–81. http://dx.doi.org/10.1515/zna-2003-1203.

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Electron spin resonance of Mn2+ doped in Eu2M”3 (NO3)12.24H2O (M” = Zn, Co) single crystals has been studied at 295 and 77 K using an X-band spectrometer. The observation of resolved Mn2+ spectra in Eu2Co3(NO3)12.24H2O at 295 K have been interpreted in terms of random modulation of interaction between Mn2+ and divalent cobalt ions by the rapid spin-lattice relaxation of cobalt ions. T1 of divalent cobalt has been estimated to be ∼ 5×10−12 s at 295 K. The superposition model is applied to the zero-field splitting parameter D.- PACS: 76.30 F

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Hua, Xiu-Ni, Chao-Ran Huang, Ji-Xing Gao, Yang Lu, Xiao-Gang Chen, and Wei-Qiang Liao. "High-temperature reversible phase transitions and exceptional dielectric anomalies in cobalt(ii) based ionic crystals: [Me3NCH2X]2[CoX4] (X = Cl and Br)." Dalton Transactions 47, no. 17 (2018): 6218–24. http://dx.doi.org/10.1039/c8dt00786a.

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Wolff, Annalena, Walid Hetaba, Marco Wißbrock, et al. "Oriented attachment explains cobalt ferrite nanoparticle growth in bioinspired syntheses." Beilstein Journal of Nanotechnology 5 (February 28, 2014): 210–18. http://dx.doi.org/10.3762/bjnano.5.23.

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Oriented attachment has created a great debate about the description of crystal growth throughout the last decade. This aggregation-based model has successfully described biomineralization processes as well as forms of inorganic crystal growth, which could not be explained by classical crystal growth theory. Understanding the nanoparticle growth is essential since physical properties, such as the magnetic behavior, are highly dependent on the microstructure, morphology and composition of the inorganic crystals. In this work, the underlying nanoparticle growth of cobalt ferrite nanoparticles in

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Takahashi, Yukihiro, Kenshiro Ishida, Sarasa Matsuno, et al. "Charge injection phenomena at the contact interface between (5,10,15,20-tetramethylporphyrinato)cobalt(ii) and 2,5-difluoro-7,7,8,8-tetracyanoquinodimethane single crystals." CrystEngComm 23, no. 22 (2021): 3975–80. http://dx.doi.org/10.1039/d1ce00299f.

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Charge transfer phenomena occurring at the contact interface of heterogeneous organic crystals are investigated. About 10% more charge was injected into the crystal interface by the contact, which largely increased the surface conductivity.

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Makhankova, Valeriya G., Olga Yu Vassilyeva, Volodymyr N. Kokozay, Brian W. Skelton, Gerard A. Van Albada, and Jan Reedijkc. "Spectroscopic and Magnetostructural Evidence for the Formation of [Cu0.5Co0.5(H2Tea)X] Mixed-Crystal Compounds from Zerovalent Cu and Co Salts in the Presence of Triethanolamine (H3Tea -Triethanolamine; X = SCN, Cl)." Zeitschrift für Naturforschung B 56, no. 9 (2001): 931–36. http://dx.doi.org/10.1515/znb-2001-0911.

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Mixed crystals [Cu0.5Co0.5(H2Tea)(SCN)] (1), [Cu0.5Co0.5(H2Tea)Cl] (2) (H3Tea = triethanolamine) have been obtained by the open-air reaction of metallic copper with cobalt(II) chloride/cobalt(II) thiocyanate and triethanolamine in non-aqueous solvents, like dmf, dmso, CH3OH and CH3CN. The simultaneous presence of copper and cobalt in the mixed crystals was unambiguously determined by atomic absorption, EPR and electronic spectroscopy. Details of 1 have been studied structurally, and a preliminary report of the structure of 2 is also given. The mononuclear species 1 and 2 contain crystallograph

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Lin, C. T., S. X. Li, W. Zhou, A. Mackenzie, and W. Y. Liang. "Cobalt-doped YBCO single crystals and their accurate characterisation." Physica C: Superconductivity 176, no. 1-3 (1991): 285–94. http://dx.doi.org/10.1016/0921-4534(91)90725-e.

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Bogodaev, N. V., Lyudmila I. Ivleva, P. A. Lykov, N. M. Polozkov, and Vyacheslav V. Osiko. "Photorefractive properties of cobalt-doped strontium barium niobate crystals." Quantum Electronics 29, no. 5 (1999): 449–53. http://dx.doi.org/10.1070/qe1999v029n05abeh001506.

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Zaręba, A., A. J. Szadkowski, A. Mycielski, and B. Witkowska. "Co2+Centres in ZnTe Crystals Heavily Doped with Cobalt." Acta Physica Polonica A 87, no. 2 (1995): 453–56. http://dx.doi.org/10.12693/aphyspola.87.453.

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Turgunov, N. A. "Formation of Cobalt Impurity Microinclusions in Silicon Single Crystals." Inorganic Materials 54, no. 12 (2018): 1183–86. http://dx.doi.org/10.1134/s0020168518120178.

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Maeda, Masaki, Toru Kageyama, Makoto I. Wata, and Ikuo Suzuki. "Dielectric Properties of Ethyethlenediamine Cobalt Nitrate (ECN) Single Crystals." Ferroelectrics 268, no. 1 (2002): 381–86. http://dx.doi.org/10.1080/00150190211088.

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Olar, Rodica, Gina Vasile Scăeţeanu, George-Mădălin Dănilă, et al. "Synthesis and characterization of cobalt acrylate–melamine co-crystals." Journal of Thermal Analysis and Calorimetry 135, no. 4 (2018): 2257–64. http://dx.doi.org/10.1007/s10973-018-7264-1.

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