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Two-dimensional materials are considered for future quantum devices and are usually produced by extensive methods like molecular beam epitaxy. We report on the fabrication of field-effect transistors using individual ultra-thin lead sulfide…

Materials Science · Physics 2015-07-20 Sedat Dogan , Thomas Bielewicz , Yuxue Cai , Christian Klinke

For carbon nanotube transistors, as for graphene, the electrical contacts are a key factor limiting device performance. We calculate the device characteristics as a function of nanotube diameter and metal workfunction. Although the on-state…

Mesoscale and Nanoscale Physics · Physics 2015-06-17 Vasili Perebeinos , Jerry Tersoff , Wilfried Haensch

We report fast, simultaneous charge sensing and transport measurements of gate-defined carbon nanotube quantum dots. Aluminum radio frequency single electron transistors (rf-SETs) capacitively coupled to the nanotube dot provide…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 M. J. Biercuk , D. J. Reilly , T. M. Buehler , V. C. Chan , J. M. Chow , R. G. Clark , C. M. Marcus

We present an atomistic self-consistent study of the electronic and transport properties of semiconducting carbon nanotube in contact with metal electrodes of different work functions, which shows simultaneous electron and hole doping…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 Yongqiang Xue , Mark A. Ratner

We report strategies of achieving both high assembly yield of carbon nanotubes at selected position of the circuit via dielectrophoresis (DEP) and field effect transistor (FET) yield using semiconducting enriched single walled carbon…

Mesoscale and Nanoscale Physics · Physics 2015-06-03 Muhammad R. Islam , Kristy J. Kormondy , Eliot Silbar , Saiful I. Khondaker

Molybdenum disulfide nanoribbons and nanotubes are quasi-1D semiconductors with strong spin-orbit interaction, a nanomaterial highly promising for quantum electronic applications. Here, it is demonstrated that a bismuth semimetal layer…

Mesoscale and Nanoscale Physics · Physics 2023-03-13 R. T. K. Schock , J. Neuwald , W. Möckel , M. Kronseder , L. Pirker , M. Remškar , A. K. Hüttel

We use numerical simulations to investigate the properties of metal contacts to three-dimensional arrays of carbon nanotubes (CNTs). For undoped arrays top-contacted with high or low work function metals, electrostatic screening is very…

Mesoscale and Nanoscale Physics · Physics 2014-03-18 Aron W. Cummings , Julien Varennes , François Léonard

Phase change memory (PCM) devices are known to reduce in power consumption as the bit volume and contact area of their electrodes are scaled down. Here, we demonstrate two types of low-power PCM devices with lateral graphene ribbon…

Nano-electronic integrated circuit technology is exclusively based on MOSFET transistor due to its scalability down to the nanometer range. On the other hand, Bipolar Junction Transistor (BJT), which provides unmatched analog…

Mesoscale and Nanoscale Physics · Physics 2021-08-03 Farshid Raissi , Mina Amirmazlaghani , Ali Rajabi

The electrical and optical response of a field-effect device comprising a network of semiconductor-enriched single-wall carbon nanotubes, gated with sodium chloride solution is investigated. Field-effect is demonstrated in a device that…

Mesoscale and Nanoscale Physics · Physics 2010-09-24 Manu Jaiswal , C. S. Suchand Sangeeth , Wei Wang , Ya-Ping Sun , Reghu Menon

We fabricated ambipolar field-effect transistors (FETs) from multi-layered triclinic ReSe2, mechanically exfoliated onto a SiO2 layer grown on p-doped Si. In contrast to previous reports on thin layers (~2 to 3 layers), we extract…

We report a novel field-sensitive tunneling barrier by embedding C60 in SiO2 for nonvolatile memory applications. C60 is a better choice than ultra-small nanocrystals due to its monodispersion. Moreover, C60 provides accessible energy…

Mesoscale and Nanoscale Physics · Physics 2008-04-17 Tuo-Hung Hou , Hassan Raza , Kamran Afshari , Daniel J. Ruebusch , Edwin C. Kan

We report on fabrication of novel field-effect transistors (FETs) based on transition metal dichalcogenides. The unique structure of single crystals of these layered inorganic semiconductors enables fabrication of FETs with intrinsically…

Materials Science · Physics 2009-11-10 V. Podzorov , M. E. Gershenson , Ch. Kloc , R. Zeis , E. Bucher

Intrinsic carrier transport properties of single-walled carbon nanotubes are probed by two parallel methods on the same individual tubes: the contactless dielectric force microscopy (DFM) technique and the conventional field-effect…

Mesoscale and Nanoscale Physics · Physics 2015-02-11 Yize Stephanie Li , Jun Ge , Jinhua Cai , Jie Zhang , Wei Lu , Jia Liu , Liwei Chen

We have theoretically investigated the thermoelectric properties of impurity-doped one-dimensional semiconductors, focusing on nitrogen-substituted (N-substituted) carbon nanotubes (CNTs), using the Kubo formula combined with a…

Mesoscale and Nanoscale Physics · Physics 2018-02-14 Takahiro Yamamoto , Hidetoshi Fukuyama

Field-effect phototransistors were fabricated based on individual carbon nanotubes (CNTs) sensitized by CH$_3$NH$_3$PbI$_3$ nanowires (MAPbI$_3$NW). These devices represent light responsivities of R=7.7x10$^5$ A/W at low-lighting conditions…

Mesoscale and Nanoscale Physics · Physics 2016-12-07 M. Spina , B. Náfrádi , H. M. Tóháti , K. Kamarás , R. Gaal , L. Forró , E. Horváth

Graphene with its dispersion relation resembling that of photons offers ample opportunities for applications in electron optics. The spacial variation of carrier density by external gates can be used to create electron waveguides, in…

Mesoscale and Nanoscale Physics · Physics 2022-05-18 Shiang-Bin Chiu , Alina Mreńca-Kolasińska , Ka Long Lei , Ching-Hung Chiu , Wun-Hao Kang , Szu-Chao Chen , Ming-Hao Liu

We report on the fabrication and characterization of synthesized multiwall MoS2 nanotube (NT) and nanoribbon (NR) field-effect transistors (FETs). The MoS2 NTs and NRs were grown by chemical transport, using iodine as a transport agent.…

Mesoscale and Nanoscale Physics · Physics 2015-06-23 Sara Fathipour , Maja Remskar , Ana Varlec , Arvind Ajoy , Rusen Yan , Suresh Vishwanath , Wan Sik Hwang , Huili , Xing , Debdeep Jena , Alan Seabaugh

We demonstrate that electroactive thin films incorporating semiconducting polymers and deterministic functionalized gold nanoclusters (ncAu25) lead to integration of the functions of resistive memory device and field-effect transistor…

Mesoscale and Nanoscale Physics · Physics 2024-08-09 Deepa Singh , Praveen N. Gunawardene , Mark S. Workentin , Giovanni Fanchini

Floating gate transistor is the basic building block of non-volatile flash memory, which is one of the most widely used memory gadgets in modern micro and nano electronic applications. Recently there has been a surge of interest to…

Mesoscale and Nanoscale Physics · Physics 2015-08-12 Nahid M. Hossain , Masud H. Chowdhury