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相关论文: Thermopower measurements on pentacene transistors

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Thermal transmission in a molecular transistor with fully spin-polarized electrodes subjected to a temperature gradient is considered. The problem has been solved by using density matrix method in perturbation approach over small tunneling…

介观与纳米尺度物理 · 物理学 2022-07-12 A. D. Shkop

We describe measurements of 100 nK temperature oscillations at room temperature, driven at the complex interface between p-doped Germanium, a nm size metal layer, and an electrolyte. We show that heat is deposited at this interface by…

材料科学 · 物理学 2021-02-23 Yilin Wong , Giovanni Zocchi

Funtionalized pentacene, 6,13-bis(triisopropylsilylethynyl)pentacene (TIPS-pentacene), field-effect transistors(FET's) were made by thermal evaporation or solution deposition method and the mobility was measured as a function of temperature…

强关联电子 · 物理学 2007-05-23 Jin Gyu Park , Relja Vasic , James S. Brooks , John E. Anthony

The electronic structures and thermoelectric properties of $\mathrm{Cs_2[PdCl_4]I_2}$ are investigated by the first-principles calculations and semiclassical Boltzmann transport theory. Both electron and phonon transport are considered to…

材料科学 · 物理学 2016-06-21 San-Dong Guo

We report on the experimental observation of thermoelectric currents in superconductor-ferromagnet tunnel junctions in high magnetic fields. The thermoelectric signals are due to a spin-dependent lifting of particle-hole symmetry, and are…

超导电性 · 物理学 2016-03-03 S. Kolenda , M. J. Wolf , D. Beckmann

We present a study of thermoelectric coefficients in CeCoIn_5 down to 0.1 K and up to 16 T in order to probe the thermoelectric signatures of quantum criticality. In the vicinity of the field-induced quantum critical point, the Nernst…

强关联电子 · 物理学 2009-11-13 K. Izawa , K. Behnia , Y. Matsuda , H. Shishido , R. Settai , Y. Onuki , J. Flouquet

The electronic and transport properties of CuInTe2 chalcopyrite are investigated using density functional calculations combined with Boltzmann theory. The band gap predicted from hybrid functional is 0.92 eV, which agrees well with…

材料科学 · 物理学 2016-01-06 J. Wei , H. J. Liu , L. Cheng , J. Zhang , J. H. Liang , P. H. Jiang , D. D. Fan , J. Shi

Here, we investigate the thermoelectric properties of the marcasite-type compounds MSb$_2$ (M = Ta, Nb) in the temperature range of 310-730 K. These compounds were synthesized by a solid-state reaction followed by the spark plasma sintering…

材料科学 · 物理学 2024-03-20 Shamim Sk , Naoki Sato , Takao Mori

Charge carriers that execute multi-phonon hopping generally interact strongly enough with phonons to form polarons. A polarons sluggish motion is linked to slowly shifting atomic displacements that severely reduce the intrinsic width of its…

材料科学 · 物理学 2017-12-19 David Emin

Polycrystalline samples of FeSe$_{0.5}$Te$_{0.5}$ were synthesized using a conventional solid-state reaction method. The onset of bulk superconductivity transition was confirmed by SQUID magnetometry at 12.5~K. $^{57}$Fe M\"ossbauer spectra…

超导电性 · 物理学 2015-05-19 J. Lindén , J. -P. Libäck , M. Karppinen , E. -L. Rautama , H. Yamauchi

In this work, we have investigated the electronic structure and thermoelectric properties of quaternary heusler alloy, FeRuTiSi, using first principle DFT tools implemented in WIEN2k and BoltzTraP code. Electronic structure calculations…

强关联电子 · 物理学 2020-12-02 Saurabh Singh , Shubham Singh , Nitinkumar Bijewar , Ashish Kumar

We present measurements of the thermoelectric power of the plutonium-based unconventional superconductor PuCoGa$_{5}$. The data is interpreted within a phenomenological model for the quasiparticle density of states of intermediate valence…

强关联电子 · 物理学 2016-11-10 K. Gofryk , J-C. Griveau , P. S. Riseborough , T. Durakiewicz

Thermoelectric effect generating electricity from thermal gradient and vice versa appears in numerous generic applications. Recently, an original prospect of thermoelectricity arising from the nonlocal Cooper pair splitting (CPS) and the…

介观与纳米尺度物理 · 物理学 2020-06-01 Z. B. Tan , A. Laitinen , N. S. Kirsanov , A. Galda , M. Haque , A. Savin , D. S. Golubev , V. M. Vinokur , G. B. Lesovik , P. J. Hakonen

We report measurements of the electrical resistivity ($\rho$) and thermoelectric power (S) in a thin film of strained single-crystalline $\alpha$-Sn grown by molecular beam epitaxy on an insulating substrate. The temperature (T) dependence…

强关联电子 · 物理学 2024-06-03 Md Shahin Alam , Alexandr Kazakov , Mujeeb Ahmad , Rajibul Islam , Fei Xue , Marcin Matusiak

The Seebeck coefficient plays a fundamental role in identifying the efficiency of a thermoelectric device. Its theoretical evaluation for atomistic models is routinely based on Density Functional Theory calculations combined with the…

介观与纳米尺度物理 · 物理学 2016-08-31 Kaike Yang , Enrico Perfetto , Stefan Kurth , Gianluca Stefanucci , Roberto D'Agosta

The spin Seebeck effect has recently been demonstrated as a viable method of direct energy conversion that has potential to outperform energy conversion from the conventional Seebeck effect. In this study, a computational transport model is…

计算物理 · 物理学 2017-12-13 Anveeksh Koneru , Terence D. Musho

Several models of thermionic energy nanoconverters have been proposed to study the transport phenomena that take place in electronic devices. For example, in resonant tunneling junctions those phenomena are manifested through the…

介观与纳米尺度物理 · 物理学 2020-06-02 G. Valencia-Ortega , L. A. Arias-Hernandez

Thermoelectric effects allow the generation of electrical power from waste heat and the electrical control of cooling and heating. Remarkably, these effects are also highly sensitive to the asymmetry in the density of states around the…

介观与纳米尺度物理 · 物理学 2016-07-13 I. J. Vera-Marun , J. J. van den Berg , F. K. Dejene , B. J. van Wees

The waste heat management becomes very important with increasing energy demand and limited fossil resources. Here, we demonstrate thermoelectric performance of allotropic TeSe2. Based on the first-principle calculations, we confirm the…

介观与纳米尺度物理 · 物理学 2020-12-08 Munish Sharma

In condensed matter physics, transport measurements are essential not only for the characterization of materials, but also to discern between quantum phases and identify new ones. The extension of these measurements into atomic quantum…

量子气体 · 物理学 2013-06-19 Eric L. Hazlett , Li-Chung Ha , Cheng Chin
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