Temperature Dependence of the Conductivity in Ceramic Materials Containing Nickel Nanoparticles

Abdurakhmanov, U. U.; Rakhimova, Yayra; Mukhamedov, G.I.; Balberg, I.

doi:10.1111/j.1551-2916.2008.02804.x

Cited by 2 publications

(1 citation statement)

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“…Most of the works are devoted to studies of optical [80][81][82][83], electrical [84,85], acoustic [86] properties, studies of morphology, structure and synthesis [87][88][89][90][91][92][93][94], thermal [95][96][97][98][99], paramagnetic [100][101][102][103][104][105][106][107][108][109][110][111][112] properties of composite materials filled with nanoparticles. Nanocomposites [Biron (2004), Gloaguen & Lefevre (2007)] represent a new generation of biphasic materials that bond the base matrix to nanofillers inserted between polymer chains.…”

Section: Investigation Of the Physicochemical Properties Of Polymer N...mentioning

confidence: 99%

Current status and trends in the physicochemical properties of nanomaterials and nanotechnology researches

2022

ijp

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According to the estimates of many authors, in 10-15 years, the world market for nanotechnology products will amount to about 1 trillion $. The share of nanomaterials, in this case, is very large (about 340 billion). Therefore, research on nanomaterials properties becomes one of the most important tasks of the science of nanostructured materials. In this regard, it will be essential to expand research on the influence of size and thermal stability; as two common problems for almost all types of nanomaterials. This review article will discuss the most popular topics on nanomaterials, nanostructures, their history, characteristics and classification as well as status of their scientific articles published in recent years. This study focuses on a range of topics related to the development, research and manufacturing applications of nanomaterials and nanotechnology. There are many problems and challenges that scientists are investigating on them. For example: what are the main differences between the properties of interfaces of nanomaterials (including hybrid ones) from the characteristics of ordinary bulk states? How widely can the self-assembly technique of nanoscale devices elements be developed, considering possible installation errors?

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Section: Investigation Of the Physicochemical Properties Of Polymer N...mentioning

confidence: 99%

Current status and trends in the physicochemical properties of nanomaterials and nanotechnology researches

2022

ijp

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Thermoelectric characterization of nickel-nanowires and nanoparticles embedded in silica aerogels

et al. 2018

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Embedded nickel nanowires (NiNWs) and nickel nanoparticles (NiNPs) in silica aerogels at three different concentrations are characterized by scanning thermal microscopy, a Hot disk method and four probe measurements to consider them as potential thermoelectric materials. NiNW samples exhibit 9 orders of magnitude improvement in thermoelectric figure of merit while the embedded NiNPs samples show a 6 orders of magnitude improvement when the concentrations are increased from 0 to 700 ppm. The electrical resistivity is highly sensitive to the concentration of NiNWs and NiNPs in the silica aerogels, while the thermal conductivity remains largely unchanged over temperature range 300 to 420 K. The electrical conductivity σ follows a percolation scaling law of the form σ ∝ (W − Wc)t with critical weight fraction (Wc) to form a conductive network at range 0.04-0.06 Wt% and 0.08-0.1 Wt% for embedded NiNWs and NiNPs, respectively. The investigation suggest that further optimization of the concentration of nanomaterials in aerogels could yield promising thermoelectric properties.

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Temperature Dependence of the Conductivity in Ceramic Materials Containing Nickel Nanoparticles

Cited by 2 publications

References 10 publications

Current status and trends in the physicochemical properties of nanomaterials and nanotechnology researches

Current status and trends in the physicochemical properties of nanomaterials and nanotechnology researches

Thermoelectric characterization of nickel-nanowires and nanoparticles embedded in silica aerogels

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