Observation of critical magnetic behavior in 2D carbon based composites

Shukla, Vipul

doi:10.1039/c9na00663j

Cited by 34 publications

(22 citation statements)

References 154 publications

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“…51,52 Apart from these 2D materials, MXenes have some advantages due to its tunable electric and magnetic properties, e.g., 2D pure graphene has excellent electrical conductivity but demonstrates the poor magnetic properties, not suitable for electromagnetic interference (EMI) shielding application which requires moderate conductivity and magnetic dipoles to interact with electromagnetic (EM) wave. The hydrophobic nature and high-cost synthesis of carbon allotropes (such as carbon nan-otubes (CNTs), carbon nanofibres (CNFs)) based composites lower its extensive use for EMI shielding material 53,54 . On the other hand, molybdenum disulfide (MoS 2 ) is 2D transition metal dichalcogenides having a layered structure.…”

Section: Advantage and Disadvantage Of Mxenes In Comparison With Othementioning

confidence: 99%

“…The 2D pristine graphene is zero bandgap semimetal. While reduced graphene oxide and graphene oxides are the semiconductor and insulators, respectively 54 . The 2D TMDs show semiconducting behavior.…”

Section: Advantage and Disadvantage Of Mxenes In Comparison With Othementioning

confidence: 99%

“…The creation of defects/vacancies, surface functionalization by organic groups, doping of p-block elements, or intercalation of heavy metals or metal oxides not only induced the magnetism in 2D materials 24,54,104,135,136 , but also leads the significant changes in their electronic properties. For instance, enhanced ferromagnetism were observed in 2D graphene, WS 2 and MoS 2 TMDs through defect engineering [136][137][138] .…”

Section: Defects Tuned Magnetismmentioning

confidence: 99%

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The tunable electric and magnetic properties of 2D MXenes and their potential applications

Shukla

2020

Mater. Adv.

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Section: Advantage and Disadvantage Of Mxenes In Comparison With Othementioning

confidence: 99%

Section: Advantage and Disadvantage Of Mxenes In Comparison With Othementioning

confidence: 99%

Section: Defects Tuned Magnetismmentioning

confidence: 99%

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The tunable electric and magnetic properties of 2D MXenes and their potential applications

Shukla

2020

Mater. Adv.

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“…For the exceptional mechanical, thermal, and electrical characteristics, GO has to thank its structure that combines sp 2 - and sp 3 -hybridized carbons, while oxygen-containing functional groups make the material hydrophilic and also allow hydrogen bonding [ 98 ]. rGO is being synthesized as a product of GO reduction by a treatment that can be chemical, thermal, or microwave-assisted [ 98 , 99 ]. Reduced graphene oxide has quite similar thermal and mechanical properties to graphene, thus enabling rGO to be widely used for the electronics.…”

Section: General Properties Of Carbon Nanomaterialsmentioning

confidence: 99%

The Puzzling Potential of Carbon Nanomaterials: General Properties, Application, and Toxicity

et al. 2020

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Being a member of the nanofamily, carbon nanomaterials exhibit specific properties that mostly arise from their small size. They have proved to be very promising for application in the technical and biomedical field. A wide spectrum of use implies the inevitable presence of carbon nanomaterials in the environment, thus potentially endangering their whole nature. Although scientists worldwide have conducted research investigating the impact of these materials, it is evident that there are still significant gaps concerning the knowledge of their mechanisms, as well as the prolonged and chronic exposure and effects. This manuscript summarizes the most prominent representatives of carbon nanomaterial groups, giving a brief review of their general physico-chemical properties, the most common use, and toxicity profiles. Toxicity was presented through genotoxicity and the activation of the cell signaling pathways, both including in vitro and in vivo models, mechanisms, and the consequential outcomes. Moreover, the acute toxicity of fullerenol, as one of the most commonly investigated members, was briefly presented in the final part of this review. Thinking small can greatly help us improve our lives, but also obliges us to deeply and comprehensively investigate all the possible consequences that could arise from our pure-hearted scientific ambitions and work.

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“…Realizing this, a number of authors began to consider structural disturbances -defects as a possible universal reason for the manifestation of HTFM in such materials. [94][95][96][97][98] Gradually they began to pay attention to edge effects, distorted surface states, various structural defects [99].…”

Section: Surface Ferromagnetism At Room Temperature Presents To Any Mmentioning

confidence: 99%

Nanoparticles Surface as a Spheroidal Defect in the Parent Material

Губин¹,

Ioni²,

Buslaeva³

2020

RENSIT

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The review considers a general theoretical model of nanoparticles similar to the structure of a "green walnut", consisting of a core, a surface and a layer of ligands. Due to the peculiarities of such a surface defect structure in nanoparticles, the phenomenon of high-temperature ferromagnetism in the nonmagnetic parent structure is possible (considered by the example of semiconductor metal oxides, noble metals, and carbon nanostructures). It is shown that this phenomenon is not of an artifact nature, but is possible for any materials in a highly dispersed state. The main reasons for the cooperative magnetic effect in the system of defect-induced magnetic moments are proposed. The review also discusses the ferron model, which is successfully used to analyze the properties of modern magnetic nanomaterials.

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Observation of critical magnetic behavior in 2D carbon based composites

Abstract: This review article discusses the magnetic interactions attained by 2D carbon related materials.

Cited by 34 publications

References 154 publications

The tunable electric and magnetic properties of 2D MXenes and their potential applications

The tunable electric and magnetic properties of 2D MXenes and their potential applications

The Puzzling Potential of Carbon Nanomaterials: General Properties, Application, and Toxicity

Nanoparticles Surface as a Spheroidal Defect in the Parent Material

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