Ferromagnetism and perfect spin filtering in transition-metal-doped graphyne nanoribbons

Pan, Jinbo; Du, Shixuan; Zhang, Yuyang; Pan, Liwei; Zhang, Yanfang; Gao, Hongjun; Pantelides, Sokrates T.

doi:10.1103/physrevb.92.205429

Cited by 43 publications

(19 citation statements)

References 52 publications

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“…202 Figure 5 shows the competition between the magnetic interactions between magnetic atoms and the carbon lattice for graphene, and it can be observed that, with respect to the electronic bandstructure, the competition between the interactions of the magnetic atoms and carbon atoms has distinct consequences on the presence of the Dirac cone, which is the staple characteristic of pure graphene. Afterward, Pan et al 40 have also suggested that the randomly doped monolayer graphyne nanoribbons (GyNRs) with 3d-series transition metal atoms at medium-to-high concentrations (2%−5%) can be ferromagnetic (FM). The predicted Mnand Co-doped Gy-NRs are half-metallic with 100% spin polarization at the Fermi level and can act as the perfect spin filters.…”

Section: Metal Incorporated Main Group Basedmentioning

confidence: 99%

“…Recently, spin injection in graphene has been demonstrated using a cobalt electrode at room temperature. 40 In a similar manner, He et al proposed that the efficiency of spin injection from a ferromagnetic electrode into graphene can be enhanced by a tunnel barrier. 41 Spin detection in graphene has also been realized using a nonlocal measurement method in which spinup and spin-down currents can be distinguished and measured independently.…”

Section: Introduction To Spintronicsmentioning

confidence: 96%

“…Recently, spin injection in graphene has been demonstrated using a cobalt electrode at room temperature . In a similar manner, He et al proposed that the efficiency of spin injection from a ferromagnetic electrode into graphene can be enhanced by a tunnel barrier .…”

Section: Introduction To Spintronicsmentioning

confidence: 99%

“…41 Spin detection in graphene has also been realized using a nonlocal measurement method in which spinup and spin-down currents can be distinguished and measured independently. 40 Moreover, room-temperature ferromagnetism in graphene was demonstrated by Wang et al 42 Other than this, the graphene nanoribbon is also known to have long spin diffusion length, spin relaxation time, and electron spin coherence time. 43,44 All of these results show that graphene holds the promise for spintronic,s 45,46 and a variety of graphene-based spintronic devices have been proposed.…”

Section: Introduction To Spintronicsmentioning

confidence: 99%

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Recent Advances in Graphene-like 2D Materials for Spintronics Applications

2019

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For the progressive development of spintronics as the next generation information technology source, it is essential to look for materials with high abundance, long spin lifetime, easy manipulation of spin current, and temperature/strain resistivity of spin properties. In this respect, the main group based two-dimensional (2D) semiconductors are systems of immense research interest in the field of spintronic devices for their novel characteristics and notable application in spintronics nanotechnology. The discovery of graphene set off the journey of 2D materials, and many of them have been identified as potential candidates for spintronics applications owing to their extraordinary properties and atomically thin structures. Since the last few decades, several theoretical and experimental reports agreed with the novel chemistry between 2D materials and nanoscale spintronic devices. This review highlights the most progressive and important theoretical and experimental studies of main group based 2D spintronics reported until present which have contributed to inspiring new spintronic devices and have given direction for further development. We have systematically discussed the main group based 2D spintronic materials in the two categories of metal incorporated and metal-free systems. Besides, vital focus is given to the useful theoretical techniques for spintronics studies and suitable designing of spintronic materials and devices. We have also briefly discussed the past, present, and future perspective of spintronic devices.

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Section: Metal Incorporated Main Group Basedmentioning

confidence: 99%

Section: Introduction To Spintronicsmentioning

confidence: 96%

Section: Introduction To Spintronicsmentioning

confidence: 99%

Section: Introduction To Spintronicsmentioning

confidence: 99%

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Recent Advances in Graphene-like 2D Materials for Spintronics Applications

2019

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“…Representatively, the advances on the edge-dependent of molybdenum disulfide (MoS 2 ) have rendered in applications of electric devices, photovoltaic cell, photo-catalyst and semiconductors [9][10][11][12][13][14][15][16][17][18][19]. Very recently, the strain effects of low-dimensional materials were carried out dramatically to understand their electric/magnetic properties [20,21]. Particularly, the magnetic function of MoS 2 nanosheets was evaluated and tuned and by applying the strain effects via the first-principle simulations [22,23].…”

Section: Introductionmentioning

confidence: 99%

Toward edges-rich MoS₂ layers via chemical liquid exfoliation triggering distinctive magnetism

Gao

Chen

Xie

et al. 2016

Materials Research Letters

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The magnetic function of layered molybdenum disulfide (MoS 2) has been investigated via simulation, but few reliable experimental results have been explored. Herein, we developed edges-rich structural MoS 2 nanosheets via liquid phase exfoliation approach, triggering exceptional ferromagnetism. The magnetic measurements revealed the clear ferromagnetic property of layered MoS 2 , compared to the pristine MoS 2 in bulk exhibiting diamagnetism. The existence of ferromagnetism mostly was attributed to the presence of grain boundaries with abundant irregular edges confirmed by the transmission electron microscopy, magnetic force microscopy and X-ray photoelectron spectroscopy, which experimentally provided reliable evidences on irregular edges-rich states engineering ferromagnetism to clarify theoretical calculation. IMPACT STATEMENT • Edges-rich MoS 2 layers are achieved via chemical liquid approach. • The abundant edges MoS 2 nanosheets demonstrate highly superior magnetic property, which provides reliable evidences to identify irregular edge states engineering ferromagnetism experimentally.

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Single Atom Catalysts on Carbon‐Based Materials

2018

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Metal particle size is an important parameter to consider when looking at supported catalyst performances. As for other properties, surface reactivity of metallic nanoparticles is thus highly size‐dependent. The smallest size that can be reached for this type of object is of course the isolated atom deposited on a support. The preparation of single‐atom catalysts (SAC) is not trivial, since to avoid clustering, the mean adsorption energy of the metal on the support should be higher than its cohesive energy. The choice of a support that allows a strongly interacting environment with the metal is therefore a key step in the preparation of such catalysts. The spectrum of carbon (nano)materials is very broad, and their structure as well as their surface chemistry, although sometime complex, can be tuned and exploited for the stabilization of SAC. This Review summarizes in a comprehensive manner experimental and computational studies aiming at: i) preparing SAC on carbon materials, ii) understanding the metal‐support interactions in SAC, and iii) studying how this relates to catalytic performances. The use of SAC follows well the needs dictated by society (energy and environment issues), and many studies have already been published in various fields, such as thermal catalysis, photocatalysis and electrocatalysis.

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Ferromagnetism and perfect spin filtering in transition-metal-doped graphyne nanoribbons

Cited by 43 publications

References 52 publications

Recent Advances in Graphene-like 2D Materials for Spintronics Applications

Recent Advances in Graphene-like 2D Materials for Spintronics Applications

Toward edges-rich MoS₂ layers via chemical liquid exfoliation triggering distinctive magnetism

Single Atom Catalysts on Carbon‐Based Materials

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Ferromagnetism and perfect spin filtering in transition-metal-doped graphyne nanoribbons

Cited by 43 publications

References 52 publications

Recent Advances in Graphene-like 2D Materials for Spintronics Applications

Recent Advances in Graphene-like 2D Materials for Spintronics Applications

Toward edges-rich MoS2 layers via chemical liquid exfoliation triggering distinctive magnetism

Single Atom Catalysts on Carbon‐Based Materials

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Product

Resources

About

Toward edges-rich MoS₂ layers via chemical liquid exfoliation triggering distinctive magnetism