Journal of Physics: Condensed Matter
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#1Asadollah Bafekry (Shahid Beheshti University)H-Index: 25
#2M. Faraji (TOBB University of Economics and Technology)H-Index: 9
Last. Daniela Gogova (Linköping University)H-Index: 30
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The experimental knowledge of the AlSb monolayer with double layer honeycomb structure is largely based on the recent publication (Le Qinet al2021ACS Nano158184), where this monolayer was recently synthesized. Therefore, the aim of our research is to consequently explore the effects of substitutional doping and vacancy point defects on the electronic and magnetic properties of the novel hexagonal AlSb monolayer. Besides experimental reports, the phonon band structure and cohesive energy calculat...
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#1J. W. González (Federico Santa María Technical University)H-Index: 13
The application of strain to 2D materials allows manipulating the electronic, magnetic, and thermoelectric properties. These physical properties are sensitive to slight variations induced by tensile and compressive strain and the uniaxial strain direction. Herein, we take advantage of the reversible semiconductor-metal transition observed in certain monolayers to propose a hetero-bilayer device. We propose to pill up phosphorene (layered black phosphorus) and carbon monosulfide monolayers. In th...
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#1Yan-long Chen (Hunan University)
#2Dan-Ni Yan (Hunan University)H-Index: 1
Last. Meng-Qiu Cai (Hunan University)H-Index: 29
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Recently, the effect of dimensional control on the optoelectronic performance of two-dimensional (2D)/three-dimensional (3D) single perovskites has been confirmed. However, how the dimensional change affects the photoelectric properties of 2D/3D all-inorganic double perovskites remains unclear. In this study, we present a detailed theoretical research on a comparison between the optoelectronic properties of 3D all-inorganic double perovskite Cs2AgBiBr6and recently reported 2D all-inorganic doubl...
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#1Xin Wu (SYSU: Sun Yat-sen University)
#2Xiaobao Zhu (Nanchang Hangkong University)
Last. Bing Lei (SYSU: Sun Yat-sen University)
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Two-dimensional (2D) materials such as MoS2have extraordinary properties and significant application potential in electronics, optoelectronics, energy storage, bioengineering, etc. To realize the numerous application potential, it is needed to modulate the structure and properties of these 2D materials, for which ion beam irradiation has obvious advantages. This research adopted classical molecular dynamics simulations to study the sputtering of atoms in 2D MoS2, defect formation and the control...
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#1Pawan Kumar (JNU: Jawaharlal Nehru University)H-Index: 15
#2Vipin Nagpal (JNU: Jawaharlal Nehru University)H-Index: 5
Last. Satyabrata Patnaik (JNU: Jawaharlal Nehru University)H-Index: 28
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Experimental access to massless Weyl fermions through topological materials promises substantial technological ramifications. Here, we report magneto-transport properties of Bi1- xSbx alloy near the quantum critical point x = 3% and 3.5%. The two compositions that are synthesized and studied are single crystals of Bi0.97Sb0.03 and Bi0.965Sb0.035. We observe a transition from semimetal to semiconductor with the application of magnetic field in both specimen. An extremely large transverse magnetor...
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A detailed study of poly-para-phenylene obtained by light-assisted on-surface-synthesis on Ag(100) was carried out by Scanning Tunneling Microscopy and Spectroscopy together with Density Functional Theory calculations. The use of light in combination with heat allows to lower by 50 K annealing temperature the each stage of the Ullmann coupling. Debromination of the 4,4'' dibromo-p-terphenyl precursors was thus realized at 300 K, the formation of the first oligomers from the organometallic interm...
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#1Wen-Zhi Xiao (HIE: Hunan Institute of Engineering)H-Index: 13
#2Gang Xiao (HIE: Hunan Institute of Engineering)H-Index: 8
Last. Ling-Ling Wang (Hunan University)H-Index: 54
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The exciton binding energy, mechanical properties, and lattice thermal conductivity of monolayer BiI3are investigated on the basis of first principle calculation. The excitation energy of monolayer BiI3is predicted to be 1.02 eV, which is larger than that of bulk BiI3(0.224 eV). This condition is due to the reduced dielectric screening in systems. The monolayer can withstand biaxial tensile strain up to 30% with ideal tensile strength of 2.60 GPa. Compared with graphene and MoS2, BiI3possesses s...
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#1Yahui Wang (University of Electronic Science and Technology of China)
#2Ziqian Wei (University of Electronic Science and Technology of China)
Last. Zhe Wu (University of Electronic Science and Technology of China)H-Index: 7
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In this article, we propose a quantitative, non-destructive and noninvasive approach to obtain electromagnetic properties of liquid specimens utilizing a home-designed near-field microwave microscopy. The responses of aqueous solutions can be acquired with varying concentrations, types (CaCl2, MgCl2, KCl and NaCl) and tip-sample distances. An electromagnetic simulation model also successfully predicts the behaviors of saline samples. For a certain type of solutions with varying concentrations, t...
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#1Arun Kumar Maurya (Indian Institute of Science Education and Research, Thiruvananthapuram)H-Index: 1
#2Tahir Hossain Sarder (Indian Institute of Science Education and Research, Thiruvananthapuram)
Last. Amal Medhi (Indian Institute of Science Education and Research, Thiruvananthapuram)H-Index: 4
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We study the ground state phase diagram of the degenerate two-band Hubbard model at integer fillings as a function of onsite Hubbard interactionUand Hund's exchange couplingJ. We use a variational slave-spin mean field method which allows symmetry broken states to be studied within the computationally less intensive slave-spin mean field formalism. The results show that at half-filling, the ground state at smallerUis a Slater antiferromagnet with substantial local charge fluctuations. AsUis incr...
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#1Rakshanda Dhawan (IITR: Indian Institute of Technology Roorkee)H-Index: 1
#2P. N. Balasubramanian (Graphic Era University)H-Index: 11
Last. Tashi Nautiyal (IITR: Indian Institute of Technology Roorkee)H-Index: 17
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Structural, electronic and magnetic behaviour of a less-explored material Sr2CrTiO6has been investigated usingabinitiocalculations with generalized gradient approximation (GGA) and GGA +Umethods, whereUis the Hubbard parameter. For each of the three possible Cr/Ti cationic arrangements in the unit cell, considered in this work, the non-magnetic band structure shows distinct traits with significant flat-band regions leading to larget2gdensity of states around the Fermi energy. The Cr4+ion in Sr2C...
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