نتایج جستجو برای: mineral interlayer

تعداد نتایج: 72535  

2016
Ching-Lin Fan Wei-Chun Lin Hsiang-Sheng Chang Yu-Zuo Lin Bohr-Ran Huang

In this paper, the top-contact (TC) pentacene-based organic thin-film transistor (OTFT) with a tetrafluorotetracyanoquinodimethane (F₄TCNQ)-doped pentacene interlayer between the source/drain electrodes and the pentacene channel layer were fabricated using the co-evaporation method. Compared with a pentacene-based OTFT without an interlayer, OTFTs with an F₄TCNQ:pentacene ratio of 1:1 showed co...

2017
T Newhouse-Illige Yaohua Liu M Xu D Reifsnyder Hickey A Kundu H Almasi Chong Bi X Wang J W Freeland D J Keavney C J Sun Y H Xu M Rosales X M Cheng Shufeng Zhang K A Mkhoyan W G Wang

Magnetic interlayer coupling is one of the central phenomena in spintronics. It has been predicted that the sign of interlayer coupling can be manipulated by electric fields, instead of electric currents, thereby offering a promising low energy magnetization switching mechanism. Here we present the experimental demonstration of voltage-controlled interlayer coupling in a new perpendicular magne...

2017
S Ghannadzadeh S Licciardello S Arsenijević P Robinson H Takatsu M I Katsnelson N E Hussey

In many layered metals, coherent propagation of electronic excitations is often confined to the highly conducting planes. While strong electron correlations and/or proximity to an ordered phase are believed to be the drivers of this electron confinement, it is still not known what triggers the loss of interlayer coherence in a number of layered systems with strong magnetic fluctuations, such as...

2016
Zhi Li Jincheng Zhuang Lan Chen Zhenyi Ni Chen Liu Li Wang Xun Xu Jiaou Wang Xiaodong Pi Xiaolin Wang Yi Du Kehui Wu Shi Xue Dou

Interlayer interactions perturb the electronic structure of two-dimensional materials and lead to new physical phenomena, such as van Hove singularities and Hofstadter's butterfly pattern. Silicene, the recently discovered two-dimensional form of silicon, is quite unique, in that silicon atoms adopt competing sp(2) and sp(3) hybridization states leading to a low-buckled structure promising rela...

Journal: :Physical review letters 2001
E Demler C Nayak S Das Sarma

We consider a fully spin-polarized quantum Hall system with no interlayer tunneling at total filling factor nu = 1/k (where k is an odd integer) using the Chern-Simons-Ginzburg-Landau theory. Exploiting particle-vortex duality and the concept of quantum disordering, we find a large number of possible compressible and incompressible ground states, some of which may have relevance to recent exper...

Journal: :Physical review letters 2014
Y J Jo Joonbum Park G Lee Man Jin Eom E S Choi Ji Hoon Shim W Kang Jun Sung Kim

We report the valley-selective interlayer conduction of SrMnBi(2) under in-plane magnetic fields. The c-axis resistivity of SrMnBi(2) shows clear angular magnetoresistance oscillations indicating coherent interlayer conduction. Strong fourfold variation of the coherent peak in the c-axis resistivity reveals that the contribution of each Dirac valley is significantly modulated by the in-plane fi...

2012
S. J. MILLS A. G. CHRISTY J.-M. R. GÉNIN T. KAMEDA F. COLOMBO

Layered double hydroxide (LDH) compounds are characterized by structures in which layers with a brucite-like structure carry a net positive charge, usually due to the partial substitution of trivalent octahedrally coordinated cations for divalent cations, giving a general layer formula [(M 1 xM 3+ x)(OH)2] . This positive charge is balanced by anions which are intercalated between the layers. I...

In this study, to bond AA2024 and AA6061 alloys to each other, three elements (Sn, Zn and Ga)  were considered as interlayer elements in terms of atomic diffusion depth in the base metal and storage at 453°C for 2 days, 10 hours, 210 minutes, and 30 seconds that they were examined for atomic diffusion modeling. Finally, the two alloys were connected at a temperature of 453°C in a furnace enviro...

In this study, to bond AA2024 and AA6061 alloys to each other, three elements (Sn, Zn and Ga)  were considered as interlayer elements in terms of atomic diffusion depth in the base metal and storage at 453°C for 2 days, 10 hours, 210 minutes, and 30 seconds that they were examined for atomic diffusion modeling. Finally, the two alloys were connected at a temperature of 453°C in a furnace enviro...

2006
J. C. BART

-Infrared spectroscopic, X-ray powder diffraction, diffuse reflectance, and electron-spin resonance examination of homoionic bentonite from Sardinia treated with diazomethane indicates that polymethylene was formed in the interlayer position. Polymerization can be attributed to the acidic properties of the residual water in the interlamellar space, depending on the nature of the exchanged ion. ...

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