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Главная Архив Thermal Letter Оргкомитет Будущие конференции AIHTC
International Heat Transfer Conference 16

ISSN: 2377-424X (online)
ISSN: 2377-4371 (flashdrive)

THERMAL CONDUCTIVITY MODULATION IN Zr(Hf)SiS MATERIAL SYSTEM BY SUBSTITUTIONAL ATOMS

Lei Li
National Laboratory of Solid State Microstructures and Department of Materials Science and Engineering, College of Engineering and Applied Sciences, Nanjing University, Nanjing 210093, China

Jiahui Pan
National Laboratory of Solid State Microstructures & Department of Materials Science and Engineering, College of Engineering and Applied Sciences, Nanjing University, Nanjing 210093, China

Xue-Jun Yan
National Laboratory of Solid State Microstructures and Department of Materials Science and Engineering, College of Engineering and Applied Sciences, Nanjing University, Nanjing 210093, China

Yang-Yang Lv
National Laboratory of Solid State Microstructures & Department of Materials Science and Engineering, College of Engineering and Applied Sciences, Nanjing University, Nanjing 210093, China

Chen Di
National Laboratory of Solid State Microstructures & Department of Materials Science and Engineering, College of Engineering and Applied Sciences, Nanjing University, Nanjing 210093, China

Shu-Hua Yao
National Laboratory of Solid State Microstructures & Department of Materials Science and Engineering, College of Engineering and Applied Sciences, Nanjing University, Nanjing 210093, China; Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing, 210093, China

Yan-Bin Chen
National Laboratory of Solid State Microstructures & Department of Physics, Nanjing University, Nanjing 210093, China; Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing, 210093, China

Jian Zhou
National Laboratory of Solid State Microstructures & Department of Materials Science and Engineering, College of Engineering and Applied Sciences, Nanjing University, Nanjing 210093, China; Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing, 210093, China

Hong Lu
National Laboratory of Solid State Microstructures & Department of Materials Science and Engineering, College of Engineering and Applied Sciences, Nanjing University, Nanjing 210093, China; Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing, 210093, China

Yan-Feng Chen
National Laboratory of Solid State Microstructures & Department of Materials Science and Engineering, College of Engineering and Applied Sciences, Nanjing University, Nanjing 210093, China; Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing, 210093, China

Ming-Hui Lu
National Laboratory of Solid State Microstructures & Department of Materials Science and Engineering, College of Engineering and Applied Sciences, Nanjing University, Nanjing 210093, China; Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing, 210093, China

DOI: 10.1615/IHTC16.nmt.024162
pages 7085-7090


Ключевые слова: Nano/Micro scale measurement and simulation, Photon, phonon and electron transport, Thermal conductivity modulation

Аннотация

In solid state materials, heat transport is mainly accomplished by lattice vibration or its collective excitation, phonons. Since thermal conduction is closely related to the properties of crystal lattice, artificially designing the lattice has been proposed to be an effective way to modulate a material's thermal conductivity. In this work, we synthesise a series of ZrSiS, HfZrSiS and HfSiS single crystalline samples by chemical vapor transport. We investigate their intrinsic thermal conductivities along the c-axis using the time-domain thermoreflectance (TDTR) method. The measured thermal conductivities of ZrSiS and HfSiS increase monotonically as temperature decreases from 300 K to 60 K, showing a typical single crystalline feature, while HfZrSiS shows an amorphous or polycrystalline trend. Besides, the general thermal conductivities of Zr(Hf)SiS are higher than most of the quasi-two-dimensional materials. The detailed study of this material system may provide more insights on the thermal transport mechanism in two-dimensional and quasi-two-dimensional materials.

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