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We report the anisotropic magneto-transport measurement on a non-compound band semiconductor black phosphorus (BP) with magnetic field B up to 16 Tesla applied in both perpendicular and parallel to electric current I under hydrostatic…

The superconductivities of samples prepared by several procedures were found to degrade under ambient environment. The degradation mechanism was studied by measuring the change of surface chemical composition of dense MgB2 pellets (prepared…

We report that mono-elemental black phosphorus presents a new electronic self-passivation scheme of single vacancy (SV). By means of low-temperature scanning tunneling microscopy and bond-resolved non-contact atomic force microscopy, we…

Two-dimensional materials supporting deep-subwavelength plasmonic modes can also exhibit strong magneto-optical responses. Here, we theoretically investigate magnetoplasmons (MPs) in monolayer black phosphorus (BP) structures under moderate…

Black phosphorus is a quasi-two-dimensional layered semiconductor with a narrow direct band gap of 0.3 eV. A giant surface Stark effect can be produced by the potassium doping of black phosphorus, leading to a semiconductor to semimetal…

Materials Science · Physics 2021-07-21 G. Kremer , M. Rumo , C. Yue , A. Pulkkinen , C. W. Nicholson , T. Jaouen , F. O. von Rohr , P. Werner , C. Monney

Ambipolar black phosphorus MOSFETs with record n-channel extrinsic transconductance are reported. The devices consist of multi-layer black phosphorus aligned to a local back-gate electrode with 10-nm-thick HfO2 gate dielectric. Before…

Mesoscale and Nanoscale Physics · Physics 2015-12-01 Nazila Haratipour , Steven J. Koester

We report the fabrication and the electrical characterization of back-gated field effect transistors with black phosphorus channel. We show that the hysteresis of the transfer characteristic, due to intrinsic defects, can be exploited to…

The effect of the number of stacking layers and the type of stacking on the electronic and optical properties of bilayer and trilayer black phosphorus are investigated by using first principles calcula- tions within the framework of density…

Mesoscale and Nanoscale Physics · Physics 2015-10-28 Deniz Cakir , Cem Sevik , Francois M. Peeters

We explore the oxidation of a single layer of black phosphorous using ab initio density functional theory calculation. We search for the equilibrium structures of phosphorene oxides, PO$_x$ with various oxygen concentrations $x$…

Materials Science · Physics 2020-07-22 Seoung-Hun Kang , Jejune Park , Sungjong Woo , Young-Kyun Kwon

In this study, we develop a systematic weak localization/antilocalization theory fully considering the anisotropy and Berry phase of the system, and apply it to various phases of few-layer black phosphorus (BP), which has a highly…

Mesoscale and Nanoscale Physics · Physics 2020-06-02 Sunghoon Kim , Hongki Min

Solution-processed organic semiconductors enable the fabrication of large-area and flexible electronics by means of cost-effective, solution-based mass manufacturing techniques. However, for many applications an insoluble active layer can…

Black phosphorus (BP), a two-dimensional (2D) van der Waals layered material composed of phosphorus atoms, has been one of the most actively studied 2D materials in recent years due to its tunable energy band gap (tunable even to a negative…

Mesoscale and Nanoscale Physics · Physics 2019-04-08 Sanghyun Park , Seungchan Woo , Hongki Min

We investigated 10 to 200 nm thick black phosphorus flakes on SiO2/Si and polyimide substrates by Angle-resolved Polarized Raman spectra (ARPRS) using 442 nm excitation wavelength. The results revealed that ARPRS with 442 nm excitation can…

Materials Science · Physics 2016-10-12 Weijun Luo , Qian Song , Guangnan Zhou , David Tuschel , Guangrui Xia

The first non-covalent functionalization of black phosphorus (BP) is presented. The treatment of BP with electron- withdrawing 7,7,8,8-tetracyano-p-quinodimethane (TCNQ) leads to electron transfer from BP to the organic dopant. On the other…

Organic-inorganic hybrid perovskites (OIHPs) have attracted extensive research interest as a promising candidate for efficient and inexpensive solar cells. Transmission electron microscopy characterizations that can benefit the fundamental…

Artificial semiconductor heterostructures played a pivotal role in modern electronic and photonic technologies, providing a highly effective mean for the manipulation and control of carriers, from the visible to the far-infrared. Despite…

Mesoscale and Nanoscale Physics · Physics 2018-05-01 Leonardo Viti , Miriam S. Vitiello

Phosphorus atomic chains, the utmost-narrow nanostructures of black phosphorus (BP), are highly relevant to the in-depth development of BP into one-dimensional (1D) regime. In this contribution, we report a top-down route to prepare atomic…

Materials Science · Physics 2017-04-21 Zhangru Xiao , Jingsi Qiao , Wanglin Lu , Guojun Ye , Xianhui Chen , Ze Zhang , Wei Ji , Jixue Li , Chuanhong Jin

Although a considerable number of solvent based methodologies have been developed for exfoliating black phosphorus, so far there are no reports on controlled organization of these exfoliated nanosheets on substrates. Here, for the first…

We present a comprehensive model to analyze, quantitatively, and predict the process of degradation of organic light-emitting diodes (OLEDs) considering all possible degradation mechanisms, i.e., polaron, exciton, exciton-polaron…

We investigate the impact of the encapsulation with hexagonal boron nitride (h-BN) on the Raman spectrum of few layer black phosphorus. The encapsulation results in a significant reduction of the line width of the Raman modes of black…

Mesoscale and Nanoscale Physics · Physics 2017-11-23 J. M. Urban , M. Baranowski , A. Surrente , D. Wlodarczyk , A. Suchocki , G. Long , Y. Wang , L. Klopotowski , N. Wang , D. K. Maude , P. Plochocka