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961.
Ramasamy K Mazumdar D Bennett RD Gupta A 《Chemical communications (Cambridge, England)》2012,48(45):5656-5658
The Cr-based tellurides are attractive material systems for fundamental studies and potential applications. Colloidal syntheses of ferromagnetic Cr(2)Te(3) and CuCr(2)Te(4) nanocrystals with uniform morphology and narrow size distribution are reported together with their detailed magnetic characterisation. 相似文献
962.
Initial investigations into the possible role of homocitric acid in iron molybdenum cofactor (FeMo-co) of nitrogenase lead us to isolate and characterize two tetrameric molybdate(VI) species. The complexes K2(NH4)2[(MoO2)4O3(R,S-Hhomocit)2].6H2O (1) and K5[(MoO2)4O3(R,S-Hhomocit)2]Cl.5H2O (2) (homocitric acid = H4homocit, C7H10O7) are prepared from the reactions of acyclic homocitric acid and molybdates, which represent the first synthetic structural examples of molybdenum homocitrate complexes. The homocitrate ligand trapped by tetranuclear molybdate coordinates to the molybdenum(VI) atom through alpha-alkoxy and alpha-, beta-carboxy groups. The physical properties, structural parameters, and their possible biological relevances are discussed. 相似文献
963.
Salman Z Kiefl RF Chow KH Hossain MD Keeler TA Kreitzman SR Levy CD Miller RI Parolin TJ Pearson MR Saadaoui H Schultz JD Smadella M Wang D MacFarlane WA 《Physical review letters》2006,96(14):147601
We demonstrate that zero-field beta-detected nuclear quadrupole resonance and spin relaxation of low energy (8)Li can be used as a sensitive local probe of structural phase transitions near a surface. We find that the transition near the surface of a SrTiO(3) single crystal occurs at T(c) approximately 150K, i.e., approximately 45K higher than T(c)bulk, and that the tetragonal domains formed below T(c) are randomly oriented. 相似文献
964.
965.
In this paper, we experimentally investigate a single-longitudinal-mode (SLM) S-band erbiumdoped fiber (EDF) laser with dualring
scheme using a S-band fiber Bragg grating (FBG) inside the gain cavity to restrict the lasing mode. The proposed laser is
constructed by two-ring cavities serving as the mode filters. The FBG inside the proposed laser scheme can retrieve the SLM
operation. Moreover, the output performance of the proposed fiber laser is also analyzed and discussed. 相似文献
966.
Baghdasaryan H Weinstein LB Laget JM Adhikari KP Aghasyan M Amarian M Anghinolfi M Avakian H Ball J Battaglieri M Bedlinskiy I Bennett RP Berman BL Biselli AS Bookwalter C Briscoe WJ Brooks WK Bültmann S Burkert VD Carman DS Crede V D'Angelo A Daniel A Dashyan N De Vita R De Sanctis E Deur A Dey B Dickson R Djalali C Dodge GE Doughty D Dupre R Egiyan H El Alaoui A El Fassi L Eugenio P Fegan S Gabrielyan MY Gilfoyle GP Giovanetti KL Gohn W Gothe RW Griffioen KA Guidal M Guo L Gyurjyan V 《Physical review letters》2010,105(22):222501
We have measured the 3He(e,e' pp)n reaction at an incident energy of 4.7 GeV over a wide kinematic range. We identified spectator correlated pp and pn nucleon pairs by using kinematic cuts and measured their relative and total momentum distributions. This is the first measurement of the ratio of pp to pn pairs as a function of pair total momentum p(tot). For pair relative momenta between 0.3 and 0.5 GeV/c, the ratio is very small at low p(tot) and rises to approximately 0.5 at large p(tot). This shows the dominance of tensor over central correlations at this relative momentum. 相似文献
967.
Bennett Chow 《Annals of Global Analysis and Geometry》2001,19(4):321-325
We show that for a complete solution to theRicci–Kähler flow where the curvature, the potential andscalar curvature functions and their gradients are bounded depending ontime, the absolute value of both the scalar curvature and the gradientsquared of a modified potential function are bounded byC/t. 相似文献
968.
Miyuki Koiso Bennett Palmer 《Calculus of Variations and Partial Differential Equations》2007,29(3):295-345
We study the stability of capillary surfaces for anisotropic energies having boundaries supported in horizontal planes. A
wetting energy term for the surface to plane interface is included.
The first author is partially supported by Grant-in-Aid for Scientific Research (C) No. 16540195 of the Japan Society for
the Promotion of Science. 相似文献
969.
970.