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Substantial progress on field effect transistors "FETs" consisting of semiconducting single wall carbon nanotubes "s-SWNTs" without detectable traces of metallic nanotubes and impurities is reported. Nearly perfect removal of metallic…

Epitaxial, n-type ZnO films grown by a laser molecular-beam epitaxy method were investigated by the temperature-dependent Hall-effect technique. The 300-K carrier concentration and mobility were about $n_s \sim 10^{16}$ cm$^{-3}$ and 440…

Materials Science · Physics 2009-11-11 T. Makino , Y. Segawa , A. Tsukazaki , A. Ohtomo , M. Kawasaki

The origin of p-type conductivity and the mechanism responsible for low carrier mobility was investigated in pyrite (FeS2) thin films. Temperature dependent resistivity measurements were performed on polycrystalline and nanostructured thin…

The effects of very low temperature on the electron transport in a [110] and [100] axially aligned unstrained silicon nanowires (SiNWs) are investigated. A combination of semi-empirical 10-orbital tight-binding method, density functional…

Mesoscale and Nanoscale Physics · Physics 2025-01-03 Daryoush Shiri , Reza Nekovei , Amit Verma

Electrical transport and specific heat properties of Nd_{1-x}Pb_{x}MnO_{3} single crystals for 0.15 < x 0.5 have been studied in low temperature regime. The resistivity in the ferromagnetic insulating (FMI) phase for x < 0.3 has an…

Strongly Correlated Electrons · Physics 2009-11-13 N. Ghosh , U. K. Roessler , K. Nenkov , C. Hucho , H. L. Bhat , K. H. Mueller

We report on switching among three charge-density-wave phases - commensurate, nearly commensurate, incommensurate - and the high-temperature normal metallic phase in thin-film 1T-TaS2 devices induced by application of an in-plane electric…

The two-dimensional M$_2$Z$_4$ materials are proposed as suitable replacements for silicon channels in field-effect transistors (FETs). In the present work, the ThSi$_2$N$_4$ monolayer from the family, with the very appropriate electron…

Mesoscale and Nanoscale Physics · Physics 2025-07-10 Maryam Mirzaei Farshmi , Seyedeh Ameneh Bahadori , Zahra Shomali

We present both time-averaged and time-resolved transport measurements of a two-dimensional electron (Wigner) crystal on the surface of superfluid helium confined in a narrow microchannel. We find that the field-current characteristics of…

Strongly Correlated Electrons · Physics 2021-08-04 Shan Zou , David G. Rees , Denis Konstantinov

Recently, electrically conducting heterointerfaces between dissimilar band-insulators (such as lanthanum aluminate and strontium titanate) have attracted considerable research interest. Charge transport has been thoroughly explored and…

We report high room-temperature mobility in single layer graphene grown by Chemical Vapor Deposition (CVD) after wet transfer on SiO$_2$ and hexagonal boron nitride (hBN) encapsulation. By removing contaminations trapped at the interfaces…

Investigation of transport properties is fundamental for characterizing electronic properties and phase transitions. However, most of the transport measurements on conductive layers have been performed at macroscopic scales, and thus the…

Mesoscale and Nanoscale Physics · Physics 2025-06-25 Masayuki Hamada , Masahiro Haze , Junya Okazaki , Yukio Hasegawa

Here we report the properties of field-effect transistors based on few layers of chemical vapor transport grown alpha- MoTe_2 crystals mechanically exfoliated onto SiO_2. We performed field-effect and Hall mobility measurements, as well as…

Magnetotransport in 2DES's formed in Si-MOSFET's and Si/SiGe quantum wells at low temperatures is reported. Metallic temperature dependence of resistivity is observed for the n-Si/SiGe sample even in a parallel magnetic field of 9T, where…

Strongly Correlated Electrons · Physics 2009-10-31 Tohru Okamoto , K. Hosoya , S. Kawaji , A. Yagi , A. Yutani , Y. Shiraki

We study the electrical transport in back-gate field-effect transistors with ultrathin palladium diselenide (PdSe2) channel. The devices are normally-on and exhibit dominant n-type conduction at low pressure. The electron conduction,…

Applied Physics · Physics 2020-08-25 A. Di Bartolomeo , A. Pelella , F. Urban , A. Grillo , L. Iemmo , M. Passacantando , X. Liu , F. Giubileo

The low-field electron mobility in rectangular silicon nanowire (SiNW) transistors was computed using a self-consistent Poisson-Schr\"{o}dinger-Monte Carlo solver. The behavior of the phonon-limited and surface-roughness-limited components…

Materials Science · Physics 2016-11-17 E. B. Ramayya , D. Vasileska , S. M. Goodnick , I. Knezevic

We have studied the electronic properties of the 2D electron liquid present at the LaAlO$_3$/SrTiO$_3$ interface in series of samples prepared at different growth temperatures. We observe that interfaces fabricated at 650{\deg}C exhibit the…

Materials Science · Physics 2015-03-20 A. Fête , C. Cancellieri , D. Li , D. Stornaiuolo , A. D. Caviglia , S. Gariglio , J. -M. Triscone

Diamond has attracted attention as a next-generation semiconductor because of its various exceptional properties such as a wide bandgap and high breakdown electric field. Diamond field effect transistors, for example, have been extensively…

Electronic and thermal transport properties in two-dimensional (2D) semiconductors have been extensively investigated due to their potential to miniaturize transistors. Microscopically, electron-phonon interactions are considered the…

Mesoscale and Nanoscale Physics · Physics 2024-11-25 Yujie Quan , Bolin Liao

Charge transport in MoS2 in the low carrier density regime is dominated by trap states and band edge disorder. The intrinsic transport properties of MoS2 emerge in the high density regime where conduction occurs via extended states. Here,…

Mesoscale and Nanoscale Physics · Physics 2014-12-08 Leiqiang Chu , Hennrik Schmidt , Jiang Pu , Shunfeng Wang , Barbaros Özyilmaz , Taishi Takenobu , Goki Eda

Quasi-one dimensional electron systems have been created using a suspended helium film on a structured substrate. The electron mobility along the channel is calculated by taking into account the essential scattering processes of electrons…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 Sviatoslav S. Sokolov , Nelson Studart