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Bipolar carrier transport is often a limiting factor in the thermoelectric efficiency of narrow bandgap materials at high temperatures due to the reduction in the Seebeck coefficient and the introduction of an additional term to the thermal…

Materials Science · Physics 2019-03-27 Samuel Foster , Neophytos Neophytou

Based on the concept of band bending at metal/semiconductor interfaces as an energy filter for electrons, we present a theory for the enhancement of the thermoelectric properties of semiconductor materials with metallic nanoinclusions. We…

Materials Science · Physics 2008-07-03 Sergey V. Faleev , François Léonard

We report a combined experimental (C-AFM and SThM) and theoretical (DFT) study of the thermoelectric properties of molecular junctions made of self-assembled monolayers on Au of thiolated benzothieno-benzothiophene (BTBT) and alkylated BTBT…

Mesoscale and Nanoscale Physics · Physics 2024-11-13 Sergio Gonzalez-Casal , Rémy Jouclas , Imane Arbouch , Yves Geerts , Colin van Dyck , Jérôme Cornil , Dominique Vuillaume

An increasing number of two-dimensional (2D) materials have already been achieved experimentally or predicted theoretically, which have potential applications in nano- and opto-electronics. Various applications for electronic devices are…

Materials Science · Physics 2018-10-17 San-Dong Guo , Jiang-Tao Liu

Prior experimental studies showed that nanowires are promising structures for improving the thermoelectric performance of practical thermoelectric materials due to the strongly induced phonon-boundary scattering. However, few studies…

Mesoscale and Nanoscale Physics · Physics 2017-09-13 Lei Ma , Riguo Mei , Mengmeng Liu , Xuxin Zhao , Qixing Wu , Hongyuan Sun

Two-dimensional (2D) ZrS2 monolayer (ML) has emerged as a promising candidate for thermoelectric (TE) device applications due to its high TE figure of merit, which is mainly contributed by its inherently low lattice thermal conductivity.…

Materials Science · Physics 2021-08-13 Abhiyan Pandit , Bothina Hamad

Silver nanowires have great application potential in fields like flexible electronic devices, solar cells and transparent electrodes. It is critical and fundamental to study the thermal and electrical transport properties in a single silver…

Mesoscale and Nanoscale Physics · Physics 2014-12-18 Zhe Cheng , Longju Liu , Meng Lu , Xinwei Wang

Engineering materials to include nanoscale porosity or other nanoscale structures has become a well-established strategy for enhancing the thermoelectric performance of dielectrics. However, the approach is only considered beneficial for…

Materials Science · Physics 2021-10-14 Hosseini , S. Aria , Romano , Giuseppe , Greaney , P. Alex

Recent developments in the 2D materials laid emphasis on finding the materials with robust properties for variety of applications including the energy harvesting. The recent discovery of Janus monolayers with broken symmetry has opened up…

Materials Science · Physics 2024-03-05 Anuja Kumari , Abhinav Nag , Santanu K. Maiti , Jagdish Kumar

Topological semimetal may have substantial applications in electronics, spintronics and quantum computation. Recently, ZrTe is predicted as a new type of topological semimetal due to coexistence of Weyl fermion and massless triply…

Materials Science · Physics 2018-01-17 San-Dong Guo , Yue-Hua Wang , Wan-Li Lu

Recent studies demonstrate that novel 2D triphosphides semiconductors possess high carrier mobility and promising thermoelectric performance, while the carrier transport behaviors in 2D semimetal triphosphides have never been elucidated…

Materials Science · Physics 2023-08-09 Yongchao Rao , C. Y. Zhao , Lei Shen , Shenghong Ju

We investigate the nanoscale mechanisms determining lattice thermal conductivity (LTC) of pristine and W-doped MX$_2$-M$^\prime$X$^\prime_2$ transition metal dichalcogenide heterobilayers from first principles, using the exact solution of…

Materials Science · Physics 2026-04-29 Elliot Perviz , Antonio Cammarata

Strain engineering is one of the most promising and effective routes toward continuously tuning the electronic and optic properties of materials, while thermal properties are generally believed to be insensitive to mechanical strain. In…

Mesoscale and Nanoscale Physics · Physics 2016-02-04 Han Xie , Tao Ouyang , Éric Germaneau , Guangzhao Qin , Ming Hu , Hua Bao

Low dimensional materials provide the possibility of improved thermoelectric performance due to the additional length scale degree of freedom for engineering their electronic and thermal properties. As a result of suppressed phonon…

Mesoscale and Nanoscale Physics · Physics 2010-06-23 Neophytos Neophytou , Martin Wagner , Hans Kosina , Siegfried Selberherr

Ever since the high thermal conductivity in cubic boron arsenide (c-BAs) was predicted theoretically by Lindsay et. al in 2013, countless studies have zeroed in on this particular material. Most recently, c-BAs has been confirmed…

Materials Science · Physics 2018-11-15 Charles Shi , Xuan Luo

In 2016, bulk tellurium was experimentally observed as a remarkable thermoelectric material. Recently, two-dimensional (2D) tellurium, called tellurene, has been synthesized and has exhibited unexpected electronic properties compared with…

Computational Physics · Physics 2019-06-05 Zhibin Gao , Gang Liu , Jie Ren

PbTe, one of the most promising thermoelectric materials, has recently demonstrated thermoelectric figure of merit ($ZT$) of above 2.0 when alloyed with group II elements. The improvements are due mainly to significant reduction of lattice…

Materials Science · Physics 2018-05-04 Yi Xia , James M. Hodges , Mercouri G. Kanatzidis , Maria K. Y. Chan

Two-dimensional (2D) materials have garnered considerable attention as an emerging thermoelectric (TE) material owing to their unique density of state (DOS) near the Fermi level. We investigate the TE performance of Janus $\beta$-PdXY…

Materials Science · Physics 2023-05-23 Mukesh Jakhar , Raman Sharma , Ashok Kumar

SnSe monolayers experience a temperature induced two-dimensional Pnm2$_1 \to$ P4/nmm structural transformation precipitated by the softening of vibrational modes. The standard theoretical treatment of thermoelectricity---which relies on a…

Materials Science · Physics 2021-01-22 John W. Villanova , Salvador Barraza-Lopez

Over the last decade, progress in wide bandgap, III-V materials systems based on gallium nitride (GaN) has been a major driver in the realization of high power and high frequency electronic devices. Since the highly conductive,…