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Related papers: Variable Coupling Strength of Silicene on Ag(111)

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We study the strength of the electron-phonon interaction on Fe single adatoms on MgO/Ag(100) based on many-body \textit{ab-initio} spin collinear calculations. In particular, we analyze the relative importance of the substrate and, among…

Mesoscale and Nanoscale Physics · Physics 2021-11-19 Haritz Garai-Marin , Julen Ibañez-Azpiroz , Peio Garcia-Goiricelaya , Idoia G. Gurtubay , Asier Eiguren

We have investigated the electronic structure of graphene supported on Re(0001) before and after the intercalation of one monolayer of Ag by means of angle-resolved photoemission spectroscopy measurements and density functional theory…

Materials Science · Physics 2014-01-20 M. Papagno , P. Moras , P. M. Sheverdyaeva , J. Doppler , A. Garhofer , F. Mittendorfer , J. Redinger , C. Carbone

In this work we show the presence of a magnetoelectric coupling in silicon-nitride gated Pt/Co/Pt heterostructures using X-ray photoemission electron microscopy (XPEEM). We observe a change in magnetic anisotropy in the form of domain wall…

Spatially varying strained graphene can acquire interesting electronic properties because of the strain-induced valley-dependent gauge (pseudomagnetic) fields1,2. Here we report the realization of strained graphene regions located close to…

Materials Science · Physics 2015-03-31 Jun-Fang Liu , Ke-Ke Bai , Jia-Bin Qiao , Yu Zhou , Jia-Cai Nie , Hailin Peng , Zhongfan Liu , Lin He

Using density functional theory combined with orbital-selective band unfolding techniques, we study the effective band structure of silicene($3\times3$)/Ag(111)($4\times4$) structure. Consistent with the ARPES spectra recently obtained by…

Mesoscale and Nanoscale Physics · Physics 2017-06-14 Chao Lian , Sheng Meng

The interaction of grain boundaries (GBs) with inherent defects and/or impurity elements in multi-crystalline silicon play a decisive role in their electrical behavior. Strain, depending on the types of GBs and defects, plays an important…

Materials Science · Physics 2022-01-20 Rita Maji , Julia Contreras-García , Eleonora Luppi , Elena Degoli

Decoupling of the graphene layer from the ferromagnetic substrate via intercalation of sp metal has recently been proposed as an effective way to realize single-layer graphene-based spin-filter. Here, the structural and electronic…

Materials Science · Physics 2011-12-30 E. N. Voloshina , A. Generalov , M. Weser , S. Boettcher , K. Horn , Yu. S. Dedkov

The evolution of titanyl-phthalocyanine (TiOPc) thin films on Ag(111) has been investigated using IRAS, SPA-LEED and STM. In the (sub)monolayer regime various phases are observed that can be assigned to a 2D gas, a commensurate and a…

Stimulated by the success of graphene and its emerging Dirac physics, the quest for versatile and tunable electronic properties in atomically thin systems has led to the discovery of various chemical classes of 2D compounds. In particular,…

Superconductivity · Physics 2019-05-22 Domenico Di Sante , Xianxin Wu , Mario Fink , Werner Hanke , Ronny Thomale

We study the effect of uniaxial strain on the band structure of ZrSe$_3$, a semiconducting material with a marked in-plane structural anisotropy. By using a modified 3-point bending test apparatus, thin ZrSe$_3$ flakes were subjected to…

We study three structurally different states of nanocrystalline 316 steel and show that the state, where boundaries containing excess concentration of alloying elements are combined with mobile dislocations in grain interiors, allows…

Utilizing spin-polarized scanning tunneling microscopy and spectroscopy, we found coexistence of perpendicularly and in-plane magnetized cobalt nanoscale islands on the Ag(111) surface, and the relationship between the moire corrugation…

Mesoscale and Nanoscale Physics · Physics 2015-09-30 Keiji Doi , Emi Minamitani , Shunji Yamamoto , Ryuichi Arafune , Yasuo Yoshida , Satoshi Watanabe , Yukio Hasegawa

The electrical properties of graphene depend sensitively on the substrate. For example, recent measurements of epitaxial graphene on SiC show resistance arising from steps on the substrate. Here we calculate the deformation of graphene at…

Mesoscale and Nanoscale Physics · Physics 2012-03-05 Tony Low , Vasili Perebeinos , Jerry Tersoff , Phaedon Avouris

Current advancements in battery technologies require electrodes to combine high-performance active material such as Silicon (Si) with two-dimensional materials such as transition metal carbides (MXenes) for prolonged cycle stability and…

Applied Physics · Physics 2023-07-14 Vidushi Sharma , Dibakar Datta

The electronic structures and magnetic properties of strained monolayer MnPSe3 are investigated systematically by first-principles calculations. It is found that the magnetic ground state (GS) of monolayer MnPSe3 can be significantly…

Materials Science · Physics 2018-04-30 Qi Pei , Xiaocha Wang , Jijun Zou , Wenbo Mi

Despite the recent progress on two-dimensional multilayer materials (2DMM) with weak interlayer interactions, the investigation on 2DMM with strong interlayer interactions is far from its sufficiency. Here we report on first-principles…

Mesoscale and Nanoscale Physics · Physics 2015-11-26 Zhi-Xin Guo , Yue-Yu Zhang , Hongjun Xiang , Xin-Gao Gong , Atsushi Oshiyama

We investigate the possible magnetism on the Si(111)-$\sqrt 3 \times \sqrt 3$ surface, which is stabilized for highly boron-doped samples, by using first-principles calculations. When the silicon adatom on top of a boron atom is removed to…

Materials Science · Physics 2018-04-04 Chang-Youn Moon , Daejin Eom , Ja-Yong Koo

The electronic properties of twisted bilayer graphene on SiC substrate were studied via combination of transport measurements and scanning tunneling microscopy. We report the observation of enhanced intervalley scattering from one Dirac…

Mesoscale and Nanoscale Physics · Physics 2012-09-17 Lan Meng , Zhao-Dong Chu , Yanfeng Zhang , Ji-Yong Yang , Rui-Fen Dou , Jia-Cai Nie , Lin He

The electronic structure and magnetic properties of the graphene/Fe/Ni(111) system were investigated via combination of the density functional theory calculations and electron-spectroscopy methods. This system was prepared via intercalation…

Materials Science · Physics 2017-09-13 M. Weser , E. N. Voloshina , K. Horn , Yu. S. Dedkov

We present a joint experimental and theoretical determination of structures of Ag adatoms on the Ge(111) surface using low energy electron diffraction, low energy electron microscopy, scanning tunneling microscopy, and density functional…

Materials Science · Physics 2019-09-25 Shree Ram Acharya , Cory H. Mullet , Jason A. Giacomo , Duy Le , Shirley Chiang , Talat S. Rahman
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