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We demonstrate a top-down fabricated reconfigurable field effect transistor (RFET) based on a silicon nanowire that can be electrostatically programmed to p- and n-configuration. The device unites a high symmetry of transfer…

Carbon nanotubes (CNTs) have large intrinsic carrier mobility due to weak acoustic phonon scattering. However, unlike two-dimensional metal-oxide-semiconductor field effect transistors (MOSFETs), substrate surface polar phonon (SPP)…

Mesoscale and Nanoscale Physics · Physics 2015-05-13 Vasili Perebeinos , Slava Rotkin , Alexey G. Petrov , Phaedon Avouris

Black phosphorous (BP) is is recently unveiled as a promising two-dimensional direct bandgap semiconducting material. Here, we report the ambipolar field effect transistor behavior of multilayers of BP with ferromagnetic tunnel contacts. We…

Mesoscale and Nanoscale Physics · Physics 2014-07-07 M. Venkata Kamalakar , B. N Madhushankar , André Dankert , Saroj P. Dash

We use a simultaneous flow of ethylene and hydrogen gases to grow single wall carbon nanotubes by chemical vapor deposition. Strong coupling to the gate is inferred from transport measurements for both metallic and semiconducting tubes. At…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Bakir Babic , Mahdi Iqbal , Christian Schonenberger

We show that the performance of pentacene transistors can be significantly improved by maximizing the interfacial area at single walled carbon nanotube (SWCNT)/pentacene. The interfacial areas are varied by anchoring short SWCNTs of…

Mesoscale and Nanoscale Physics · Physics 2015-06-11 Narae Kang , Biddut K. Sarker , Saiful I. Khondaker

A printing process for high-resolution transfer of all components for organic electronic devices on plastic substrates has been developed and demonstrated for pentacene (Pn), poly (3-hexylthiophene) and carbon nanotube (CNT) thin-film…

Materials Science · Physics 2009-11-11 D. R. Hines , S. Mezhenny , M. Breban , E. D. Williams , V. W. Ballarotto , G. Esen , A. Southard , M. S. Fuhrer

We report conductance measurements on multiwall carbon nanotubes in a perpendicular magnetic field. A gate electrode with large capacitance is used to considerably vary the nanotube Fermi level. This enables us to search for signatures of…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Bernhard Stojetz , Csilla Miko , Laszlo Forro , Christoph Strunk

A fresh look on carbon-based transistor channel materials like single-walled carbon nanotubes (CNT) and graphene nanoribbons (GNR) in future electronic applications is given. Although theoretical predictions initially promised that GNR…

Materials Science · Physics 2014-03-26 Franz Kreupl

A mechanically bistable single-walled carbon nanotube can act as a variable-shaped capacitor with a voltage-controlled transition between collapsed and inflated states. This external control parameter provides a means to tune the system so…

Mesoscale and Nanoscale Physics · Physics 2015-05-20 Oleg E. Shklyaev , Eric Mockensturm , Vincent H. Crespi

The performance limits of the multilayer graphene nanoribbon (GNR) field-effect transistor (FET) are assessed and compared to those of monolayer GNR FET and carbon nanotube (CNT) FET. The results show that with a thin high-k gate insulator…

Mesoscale and Nanoscale Physics · Physics 2009-12-14 Yijian Ouyang , Hongjie Dai , Jing Guo

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

Reducing the contact resistance of field-effect transistors based on two-dimensional materials is one of the key improvements required to enable the integration of such transistors in an advanced semiconductor manufacturing process.…

Mesoscale and Nanoscale Physics · Physics 2024-12-31 Giuseppe Lovarelli , Fabrizio Mazziotti , Demetrio Logoteta , Giuseppe Iannaccone

Advanced electronic device technologies require a faster operation and smaller average power consumption, which are the most important parameters in very large scale integrated circuit design. The conventional Complementary Metal-Oxide…

Emerging Technologies · Computer Science 2018-05-11 A. Nagalakshmi , Ch. Sirisha , Dr. D. N. Madhusudana Rao

Electronic transport in a carbon nanotube (CNT) metal-oxide-semiconductor field effect transistor (MOSFET) is simulated using the non-equilibrium Green's functions method with the account of electron-phonon scattering. For MOSFETs,…

Mesoscale and Nanoscale Physics · Physics 2016-08-31 Siyu Koswatta , Mark S. Lundstrom , M. P. Anantram , Dmitri E. Nikonov

Gate capacitances of back-gated nanowire field-effect transistors (NW-FETs) are calculated by means of finite element methods and the results are compared with analytical results of the ``metallic cylinder on an infinite metal plate…

Other Condensed Matter · Physics 2009-11-11 Olaf Wunnicke

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

We use an Atomic Force Microscope (AFM) tip to locally probe the electronic properties of semiconducting carbon nanotube transistors. A gold-coated AFM tip serves as a voltage or current probe in three-probe measurement setup. Using the tip…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 Y. Yaish , J. -Y. Park , S. Rosenblatt , V. Sazonova , M. Brink , P. L. McEuen

The 1/f noise in individual semiconducting carbon nanotubes (s-CNT) in a field effect transistor configuration has been measured in ultra-high vacuum and following exposure to air. The amplitude of the normalized current spectral noise…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 Masa Ishigami , J. H. Chen , E. D. Williams , D. Tobias , Y. F. Chen , M. S. Fuhrer

Carbon electronics based on carbon nanotube array field-effect transistors (AFETs) and 2-dimensional graphene field-effect transistors (GFETs) have recently attracted significant attention for potential RF applications. Here, we explore the…

Mesoscale and Nanoscale Physics · Physics 2015-05-28 Siyuranga O. Koswatta , Alberto Valdes-Garcia , Mathias B. Steiner , Yu-Ming Lin , Phaedon Avouris

We present self-consistent, non-equilibrium Green's function calculations of the characteristics of short channel carbon nanotube transistors, focusing on the regime of ballistic transport with ohmic contacts. We first establish that the…

Other Condensed Matter · Physics 2008-05-09 Francois Leonard , Derek A Stewart