7 papers
Growth and transport properties of Mg3X2 (X = Sb, Bi) single crystals
Jiazhan Xin, Guowei Li, Gudrun Auffermann +7
The discovery of high thermoelectric performance in n-type polycrystalline Mg3(Sb,Bi)2 based Zintl compounds has ignited intensive research interest. However, some fundamental ques…
Large Nernst Power Factor over a Broad Temperature Range in Polycrystalline Weyl Semimetal NbP
Chenguang Fu, Satya N. Guin, Sarah J. Watzman +10
The discovery of topological materials has provided new opportunities to exploit advanced materials for heat-to-electricity energy conversion as they share many common characterist…
In situ modification of delafossite type PdCoO2 bulk single crystal for reversible hydrogen sorption and fast hydrogen evolution
Guowei Li, Seunghyun Khim, Celesta S. Chang +11
The observation of extraordinarily high conductivity in delafossite-type PdCoO2 is of great current interest, and there is some evidence that electrons behave like a fluid when flo…
Synergistically creating sulfur vacancies in semimetal-supported amorphous MoS2 for efficient hydrogen evolution
Guowei Li, Chenguang Fu, Jiquan Wu +14
The presence of elemental vacancies in materials is inevitable according to statistical thermodynamics, which will decide the chemical and physical properties of the investigated s…
Zero-field Nernst effect in a ferromagnetic kagome-lattice Weyl-semimetal Co3Sn2S2
Satya N. Guin, Praveen Vir, Yang Zhang +10
The discovery of magnetic topological semimetals recently attracted significant attention in the field of topology and thermoelectrics. In a thermoelectric device based on the Nern…
Establishing the carrier scattering phase diagram for ZrNiSn-based half-Heusler thermoelectric materials
Qingyong Ren, Chenguang Fu, Qinyi Qiu +15
Chemical doping is one of the most important strategies for tuning electrical properties of semiconductors, particularly thermoelectric materials. Generally, the main role of chemi…