T
Tianli Feng
Researcher at Oak Ridge National Laboratory
Publications - 91
Citations - 3384
Tianli Feng is an academic researcher from Oak Ridge National Laboratory. The author has contributed to research in topics: Thermal conductivity & Phonon. The author has an hindex of 26, co-authored 71 publications receiving 2097 citations. Previous affiliations of Tianli Feng include Purdue University & Vanderbilt University.
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Four-phonon scattering significantly reduces intrinsic thermal conductivity of solids
TL;DR: In this article, the authors show that four-phonon scattering is generally important in solids and can remedy such discrepancies and point out ways to improve thermoelectrics, thermal barrier coatings, nuclear materials, and radiative heat transfer.
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Quantum mechanical prediction of four-phonon scattering rates and reduced thermal conductivity of solids
Tianli Feng,Xiulin Ruan +1 more
TL;DR: In this paper, a formalism is developed to explicitly determine quantum mechanical scattering probability matrices for four-phonon scattering in the full Brillouin zone, and by mitigating the computational challenge, the authors have directly calculated fourphonson scattering rates.
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Strong Phonon–Phonon Interactions Securing Extraordinary Thermoelectric Ge1–xSbxTe with Zn-Alloying-Induced Band Alignment
Min Hong,Min Hong,Yuan Wang,Tianli Feng,Tianli Feng,Qiang Sun,Shengduo Xu,Syo Matsumura,Sokrates T. Pantelides,Sokrates T. Pantelides,Jin Zou,Zhigang Chen,Zhigang Chen +12 more
TL;DR: This study clarifies the impacts of high-concentration substitutional atoms on phonon band structure, phonon-phonon scattering rates, and the convergence of electron valence band edges, which could provide guidelines for developing high-performance thermoelectric materials.
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High Thermoelectric Performance in p-type Polycrystalline Cd-doped SnSe Achieved by a Combination of Cation Vacancies and Localized Lattice Engineering
Xiaolei Shi,Angyin Wu,Tianli Feng,Tianli Feng,Kun Zheng,Wei-Di Liu,Qiang Sun,Min Hong,Sokrates T. Pantelides,Sokrates T. Pantelides,Zhigang Chen,Zhigang Chen,Jin Zou +12 more
TL;DR: In this paper, a high figure of merit (ZT) of ≈ 1.7 at 823 K is reported in p-type polycrystalline Cd-doped SnSe by combining cation vacancies and localized lattice engineering.
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Highly Porous Thermoelectric Nanocomposites with Low Thermal Conductivity and High Figure of Merit from Large‐Scale Solution‐Synthesized Bi2Te2.5Se0.5 Hollow Nanostructures
Biao Xu,Biao Xu,Tianli Feng,Matthias T. Agne,Lin Zhou,Xiulin Ruan,G. Jeffery Snyder,Yue Wu,Yue Wu +8 more
TL;DR: This method can be adopted to fabricate other porous phase-transition and thermoelectric chalcogenide materials and will pave the way for the implementation of hollow nanostructures in other fields.