Segregation effects of interstitial and substitutional elements at grain boundaries in ferritic iron and their effect on liquid metal embrittlement

Publications of Yuan Yu

Journal Article (14)

1.
Journal Article
Yu, Y.; Sheskin, A.; Wang, Z.; Uzhansky, A.; Natanzon, Y.; Dawod, M.; Abdellaoui, L.; Schwarz, T.; Scheu, C.; Wuttig, M. et al.; Cojocaru-Mirédin, O.; Amouyal, Y.; Zhang, S.: Ostwald Ripening of Ag2Te Precipitates in Thermoelectric PbTe: Effects of Crystallography, Dislocations, and Interatomic Bonding. Advanced Engineering Materials 14 (19), 2304442 (2024)
2.
Journal Article
Zhang, C.; Lai, Q.; Wang, W.; Zhou, X.; Lan, K.; Hu, L.; Cai, B.; Wuttig, M.; He, J.-Q.; Liu, F. et al.; Yu, Y.: Gibbs Adsorption and Zener Pinning Enable Mechanically Robust High-Performance Bi2Te3-Based Thermoelectric Devices. Advanced Science 10 (26), 2302688 (2023)
3.
Journal Article
Huang, Z.-Y.; Wang, F.; Jung, C.; Zhang, S.; Zu, F.-Q.; Zhou, C.; Yu, Y.: Decorated dislocations lead to dynamically optimized thermoelectric performance in N-type PbTe. Materials Today Physics 37, 101198 (2023)
4.
Journal Article
Yu, Y.; Zhou, C.; Zhang, X.; Abdellaoui, L.; Doberstein, C.; Berkels, B.; Ge, B.; Qiao, G.; Scheu, C.; Wuttig, M. et al.; Cojocaru-Mirédin, O.; Zhang, S.: Dynamic doping and Cottrell atmosphere optimize the thermoelectric performance of n-type PbTe over a broad temperature interval. Nano Energy 101, 107576 (2022)
5.
Journal Article
Luo, T.; Serrano Sanchez, F. M.; Bishara, H.; Zhang, S.; Bueno Villoro, R.; Kuo, J. J.; Felser, C.; Scheu, C.; Snyder, G. J.; Best, J. P. et al.; Dehm, G.; Yu, Y.; Raabe, D.; Fu, C.; Gault, B.: Dopant-segregation to grain boundaries controls electrical conductivity of η-type NbCo(Pt)Sn half-Heusler alloy mediating thermoelectric performance. Acta Materialia 217, 117147 (2021)
6.
Journal Article
Luo, T.; Kuo, J. J.; Griffith, K. J.; Imasato, K.; Cojocaru-Mirédin, O.; Wuttig, M.; Gault, B.; Yu, Y.; Snyder, G. J.: Nb-Mediated Grain Growth and Grain-Boundary Engineering in Mg3Sb2-Based Thermoelectric Materials. Advanced Functional Materials 31 (28), 2100258 (2021)
7.
Journal Article
Abdellaoui, L.; Chen, Z.; Yu, Y.; Luo, T.; Hanus, R.; Schwarz, T.; Bueno Villoro, R.; Cojocaru-Mirédin, O.; Snyder, G. J.; Raabe, D. et al.; Pei, Y.; Scheu, C.; Zhang, S.: Parallel Dislocation Networks and Cottrell Atmospheres Reduce Thermal Conductivity of PbTe Thermoelectrics. Advanced Functional Materials 31 (20), 2101214 (2021)
8.
Journal Article
Male, J. P.; Abdellaoui, L.; Yu, Y.; Zhang, S.; Pieczulewski, N.; Cojocaru-Mirédin, O.; Scheu, C.; Snyder, G. J.: Dislocations Stabilized by Point Defects Increase Brittleness in PbTe. Advanced Functional Materials, 2108006 (2021)
9.
Journal Article
Yu, Y.; Zhou, C.; Zhang, S.; Zhu, M.; Wuttig, M.; Scheu, C.; Raabe, D.; Snyder, G. J.; Gault, B.; Cojocaru-Mirédin, O.: Revealing nano-chemistry at lattice defects in thermoelectric materials using atom probe tomography. Materials Today 32, pp. 260 - 274 (2020)
10.
Journal Article
Abdellaoui, L.; Zhang, S.; Zaefferer, S.; Bueno Villoro, R.; Baranovskiy, A.; Cojocaru-Mirédin, O.; Yu, Y.; Amouyal, Y.; Raabe, D.; Snyder, G. J. et al.; Scheu, C.: Density, distribution and nature of planar faults in silver antimony telluride for thermoelectric applications. Acta Materialia 178, pp. 135 - 145 (2019)
11.
Journal Article
Yu, Y.; Zhang, S.; Mio, A.; Gault, B.; Sheskin, A.; Scheu, C.; Raabe, D.; Zu, F.-Q.; Wuttig, M.; Amouyal, Y. et al.; Cojocaru-Mirédin, O.: Ag-Segregation to Dislocations in PbTe-Based Thermoelectric Materials. ACS Applied Materials and Interfaces 10 (4), pp. 3609 - 3615 (2018)
12.
Journal Article
Sheskin, A.; Schwarz, T.; Yu, Y.; Zhang, S.; Abdellaoui, L.; Gault, B.; Cojocaru-Mirédin, O.; Scheu, C.; Raabe, D.; Wuttig, M. et al.; Amouyal, Y.: Tailoring Thermoelectric Transport Properties of Ag-Alloyed PbTe: Effects of Microstructure Evolution. ACS Applied Materials and Interfaces 10 (45), pp. 38994 - 39001 (2018)
13.
Journal Article
Yu, Y.; He, D.-S.; Zhang, S.; Cojocaru-Mirédin, O.; Schwarz, T.; Stoffers, A.; Wang, X.-Y.; Zheng, S.; Zhu, B.; Scheu, C. et al.; Wu, D.; He, J.-Q.; Wuttig, M.; Huang, Z.-Y.; Zu, F.-Q.: Simultaneous optimization of electrical and thermal transport properties of Bi0.5Sb1.5Te3 thermoelectric alloy by twin boundary engineering. Nano Energy 37, pp. 203 - 213 (2017)
14.
Journal Article
Cojocaru-Mirédin, O.; Abdellaoui, L.; Nagli, M.; Zhang, S.; Yu, Y.; Scheu, C.; Raabe, D.; Wuttig, M.; Amouyal, Y.: Role of Nanostructuring and Microstructuring in Silver Antimony Telluride Compounds for Thermoelectric Applications. ACS Applied Materials and Interfaces 9 (17), pp. 14779 - 14790 (2017)

Talk (14)

15.
Talk
Zhang, S.; Yu, Y.; Jung, C.; Mattlat, D. A.; Abdellaoui, L.; Scheu, C.: In situ STEM observation of thermoelectric materials under heating and biasing conditions. The 6th joint Sino-German workshop on advanced & correlative electron microscopy of catalysts, quantum phenomena & soft matter, Bad Honnef, Germany (2024)
16.
Talk
Zhang, S.; Yu, Y.; Jung, C.; Wang, Z.; Mattlat, D. A.; Abdellaoui, L.; Scheu, C.: In situ microstructural observation and electrical transport measurements of PbTe thermoelectrics by transmission electron microscopy. International Conference on Thermoelectrics ICT, Krakow, Poland (2024)
17.
Talk
Scheu, C.; Abdellaoui, L.; Bueno Villoro, R.; Cojocaru-Mirédin, O.; Gault, B.; Luo, T.; Jung, C.; Yu, Y.; Zaefferer, S.; Zhang, S.: A scale bridging approach for analysis of extended defects in thermoelectric materials: From electron channeling contrast imaging, scanning transmission electron microscopy to atom probe tomography. ELMINA2022, Belgrade, Serbia (2022)
18.
Talk
Abdellaoui, L.; Yu, Y.; Zhang, S.; Luo, T.; Chen, Z.; Bueno Villoro, R.; Hanus, R.; Cojocaru-Mirédin, O.; Snyder, G. J.; Raabe, D. et al.; Pei, Y.; Scheu, C.: Parallel Dislocation Networks and Cottrell Atmospheres Reduce Thermal Conductivity of PbTe Thermoelectrics. Virtual Thermoelectric Conference 2021 (VCT 2021) (2021)
19.
Talk
Abdellaoui, L.; Yu, Y.; Zhang, S.; Bueno Villoro, R.; Luo, T.; Chen, Z.; Hanus, R.; Cojocaru-Mirédin, O.; Snyder, G. J.; Raabe, D. et al.; Pei, Y.; Scheu, C.: Detailed structure and chemistry of structural defects in PbTe based alloys. Virtual Thermoelectric Conference 2020 (VCT 2020) (2020)
20.
Talk
Abdellaoui, L.; Zhang, S.; Rodenkirchen, C.; Zaefferer, S.; Bueno Villoro, R.; Guen, E.; Chapuis, P.-O.; Gomès, S.; Cojocaru-Mirédin, O.; Yu, Y. et al.; Amouyal, Y.; Raabe, D.; Snyder, G. J.; Scheu, C.: Effect of planar defects on the thermal conductivity of Ag16.7Sb30Te53.3 bulk thermoelectric. 6th German/Korean Thermoelectric workshop, Daegu, South Korea (2019)

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