Ce substituted Tl 0.9 Bi 0.1 Sr 2−x Ce x Ca 0.9 Y 0.1 Cu 1.99 Fe 0.01 O 7−δ (x = 0-0.20) samples were synthesized to determine the effects of the higher valence ion substitution on superconductivity and structure of the Fe-doped Tl1212 derivatives. The normal state behavior for x = 0 showed semiconductor-like behavior which gradually turned to metallic behavior with increasing Ce at x = 0.05-0.15. However, further substitution of Ce for x > 0.15 turned the normal state to insulating behavior. The zero critical temperature, T c zero increased from 65.4 K (x = 0.05) to 71.0 K (x = 0.10), but slightly decreased for x > 0.10 indicating the optimum value of average copper valence was achieved at x = 0.10. Excess conductivity analysis using the Aslamazov Larkin, AL and Lawrence-Doniach, LD models revealed two-dimensional, 2D to three-dimensional, 3D transition of superconducting fluctuation behavior, SFB with the highest transition temperature, T 2D-3D at x = 0.10. FTIR analysis in conjunction with XRD results showed softening of FeO 2 /CuO 2 planar oxygen mode from 610.5 cm −1 (x = 0) to 605 cm −1 (x = 0.20) which is suggested to be related to possible increase of inter plane coupling, J and this is supported by computed results based on the LD model. The enhanced J increases superconducting coherence length along c-axis, ξ c (0), and hence lowers anisotropy, γ resulting in enhanced superconducting properties.
Higher education institutions are hubs of knowledge and expertise, and these institutions can connect their experts from various fields, their students and researchers with professionals from the public or private sectors, in exploring research ideas, developing and testing those ideas, and eventually commercializing them. With the proper R&D setting at these higher education institutions, successful innovations can likely be the outcome of those activities. There is no unique approach in which higher education institutions can act entrepreneurially. One important aspect is their ability to generate income through commercialization of product innovations. As public funding becomes increasingly constrained, many higher education institutions are encouraged to raise their own revenue. In this light, the paper will discuss factors that influence product innovation performance in organizations based on several empirical studies. This paper introduces crowd capability, organizational factors, and environmental uncertainty to study their effects on t h e product innovation success at higher education institutions directly or mediated by R&Dmarketing integration. The aim of this paper is to propose a conceptual framework that will incorporate crowd capital theory (Prpić & Shukla, 2013) in the study of R&D-marketing integration in the innovation process, expanding the works of Gupta, Raj, and Wilemon (1986).
Wall-slab structural system is a system suitable for use in the field of high-rise building where the main load resisting system is in the form rigidly connected wall slab member. Concrete vertical walls may serve both architecturally partitions and structurally to carry gravity and lateral loading. Moment transfer of joint is an important aspect for proper structurally functioning of wall-slab system. Hence, the main aim of this study is to investigate experimentally the effect of reinforcement details in the wall on bending capacity for support stiffness in wall-slab system for residential project in Malaysia. A total of six wall specimens were tested based on the specification given by the project contractor. Three of this specimens consisted single layer of rebar while another three specimen consisted of double layer of rebar. The size of the wall-slab’s specimens is 1000mm in length (L), 1080mm in width (W), 1000mm in height (H) and 80mm in thickness (T). The average concrete strength was 23.49MPa with Grade 30N/mm2 and the average yield strength of R5 bar was 817MPa. The predicted bending capacity at failure is in the range from 5.36kNm to 7.12kNm, depending on actual concrete cover. The bending capacity at failure for single layered of rebar in wall for specimen 1, 2 and 3 were found to be 3.59kNm, 3.81kNm and 3.15kNm, respectively. The bending capacity at failure for double layered of rebar in wall for specimen 1, 2 and 3 were 5.50kNm, 6.31kNm and 7.00kNm, respectively. The average percentage difference in stiffness of double layered of rebar in wall based on load-deflection curve obtained is in the range from 116.17% to 289.88% higher than single layered of rebar in wall. Based on the experimental results, specimens consisted of double layered of rebar in wall is found to provide higher bending capacity to the joint of wall-slab structural system in the range from 56.25% to 98.86% compared with single layered of rebar in wall.
scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.