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The conductivity of doped graphene is considered taking into account scattering by short-range nonsymmetric defects, when the longitudinal and transverse components of conductivity tensor appear to be different. The calculations of the…

Mesoscale and Nanoscale Physics · Physics 2015-03-17 F. T. Vasko

The encapsulation of two-dimensional layered materials such as black phosphorus is of paramount importance for their stability in air. However, the encapsulation poses several questions, namely, how it affects, via the weak van der Waals…

Two-dimensional van der Waals (vdW) magnets offer unprecedented opportunities to control magnetism at the atomic scale. Through charge carrier doping - realized by electrostatic gating, intercalation/adsorption, or interfacial charge…

The attraction between electrons and holes in semiconductors forms excitons, which largely determine the optical properties of the hosting material, and hence the device performance, especially for low-dimensional systems. Mono- and…

Mesoscale and Nanoscale Physics · Physics 2018-03-20 Guowei Zhang , Andrey Chaves , Shenyang Huang , Fanjie Wang , Qiaoxia Xing , Tony Low , Hugen Yan

Magnetic measurements on optimally doped single crystals of BaFe$_2$(As$_{1-x}$P$_{x}$)$_2$ ($x\approx0.35$) with magnetic fields applied along different crystallographic axes were performed under pressure, enabling the pressure evolution…

Superconductivity · Physics 2010-09-03 Swee K. Goh , Y. Nakai , K. Ishida , L. E. Klintberg , Y. Ihara , S. Kasahara , T. Shibauchi , Y. Matsuda , T. Terashima

We report on study of electrical and structural properties of InSb/GaAs(001) heteroepitaxial layers in [110] and [1-10] crystallographic directions. Strong anisotropy of electron transport parameters measured at a low magnetic field has…

The electronic structure of few-layer(FL) black phosphorus(BP) sensitively depends on the sample thickness, strain and doping. In this paper, we show that it is also vulnerable to air-exposure. The oxidation of BP caused by air-exposure…

Mesoscale and Nanoscale Physics · Physics 2019-03-27 Fanjie Wang , Guowei Zhang , Shenyang Huang , Chaoyu Song , Chong Wang , Qiaoxia Xing , Yuchen Lei , Hugen Yan

The incorporation of electrically tunable materials into photonic structures such as waveguides and metasurfaces enables dynamic control of light propagation by an applied potential. While many materials have been shown to exhibit…

Mesoscale and Nanoscale Physics · Physics 2017-10-03 Michelle C. Sherrott , William S. Whitney , Deep Jariwala , Cora M. Went , Joeson Wong , George R. Rossman , Harry A. Atwater

In order to unravel a role of doping in the iron-based superconductors, we investigated the in-plane resistivity for BaFe$_2$As$_2$ doped at either of the three different lattice sites, Ba(Fe$_{1-x}$Co$_x$)$_2$As$_2$,…

The temperature dependences of the dc resistivity and the nonlinear transport properties in pure, Rb-doped, and W-doped blue bronze K$_{0.3}$MoO$_{3}$ single crystals are presented. In comparison with the Rb doping, the W doping has larger…

Materials Science · Physics 2007-05-23 S. Yue , C. A. Kuntscher , M. Dressel , S. van Smaalen , F. Ritter , W. Assmus

We investigate the impact of pressure anisotropy on the structural and geometric properties of neutron stars within general relativity, focusing primarily on the phenomenological Bowers-Liang (BL) model, and comparing selected results with…

General Relativity and Quantum Cosmology · Physics 2026-05-08 A. C. Khunt , K. Yavuz Ekşi , P. C. Vinodkumar

Black phosphorus (BP) analogous tin(II) sulfide (SnS) has recently emerged as an attractive building block for electronic devices due to its highly anisotropic response. Two-dimensional (2D) SnS has shown to exhibit in-plane anisotropy in…

The electrostatic potential of a highly charged disc (clay platelet) in an electrolyte is investigated in detail. The corresponding non-linear Poisson-Boltzmann (PB) equation is solved numerically, and we show that the far-field behaviour…

Soft Condensed Matter · Physics 2009-11-10 R. Agra , E. Trizac , L. Bocquet

Last year, we reported a perturbative theory of the Casimir-Lifshitz torque between planar biaxially anisotropic materials in the retarded limit [Phys. Rev. Lett. {\bf 120}, 131601 (2018)], which is applied here to study the change of sign…

Mesoscale and Nanoscale Physics · Physics 2024-04-08 P. Thiyam , Prachi Parashar , K. V. Shajesh , O. I. Malyi , M. Boström , K. A. Milton , I. Brevik , J. Forsman , C. Persson

The tunable bandgap from 0.3 eV to 2 eV of black phosphorus (BP) makes it to fill the gap in graphene. When studying the properties of BP more comprehensive, scientists have discovered that many two-dimensional materials, such as tellurene,…

Optics · Physics 2021-03-01 Ying-Ying Li , Bo Gao , Ying Han , Bing-Kun Chen , Jia-Yu Huo

We study the direction- and wavelength-dependent polarization anisotropy in light scattering at the air-photonic crystal interface as a function of angle of incidence for TE and TM polarized light. This is done using optical reflectivity…

Optics · Physics 2016-07-06 Priya , Rajesh V. Nair

Black phosphorus has been the subject of growing interest due to its unique band structure that is both layer dependent and anisotropic. While many have studied the linear optical response of black phosphorus, the nonlinear response has…

Materials Science · Physics 2016-11-16 Nathan Youngblood , Ruoming Peng , Andrei Nemilentsau , Tony Low , Mo Li

It is widely recognised that the effect of doping into a Mott insulator is complicated and unpredictable, as can be seen by examining the Hall coefficient in high $T_{\rm c}$ cuprates. The doping effect, including the electron-hole doping…

Monolayer black phosphorus (MBP) is an interesting emerging electronic material with a direct band gap and relatively high carrier mobility. In this work we report a theoretical investigation of nonequilibrium spin injection and…

Materials Science · Physics 2016-01-12 Mingyan Chen , Zhizhou Yu , Yin Wang , Yiqun Xie , Jian Wang , Hong Guo

We ascertain the anisotropic thermal conductivity of alumina passivated black phosphorus (BP), a reactive 2D nanomaterial with strong in-plane anisotropy. We measure the room temperature thermal conductivity by time-domain thermoreflectance…

Materials Science · Physics 2015-10-02 Hyejin Jang , Joshua D. Wood , Christopher R. Ryder , Mark C. Hersam , David G. Cahill