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Title: Conduction band engineering of half-Heusler thermoelectrics using orbital chemistry

Journal Article · · Journal of Materials Chemistry. A
DOI: https://doi.org/10.1039/D1TA09377K · OSTI ID:1839820
ORCiD logo [1];  [2]; ORCiD logo [2];  [3]; ORCiD logo [2]
  1. Key Laboratory of Materials Physics, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei 230031, China, Department of Materials Science and Engineering, Northwestern University, Evanston, IL 60208, USA, Institute for Theoretical Solid State Physics, Leibniz IFW Dresden, 01069 Dresden, Germany
  2. Department of Materials Science and Engineering, Northwestern University, Evanston, IL 60208, USA
  3. Key Laboratory of Materials Physics, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei 230031, China, Advanced Research Institute of Multidisciplinary Sciences, Qufu Normal University, Qufu, Shandong Province, 273165, China

Two conduction bands with very different effective masses are usually at the X point in the half-Heusler Brillouin zone. Our orbital phase diagram provides feasible strategies to converge these two bands for thermoelectric enhancement.

Sponsoring Organization:
USDOE
Grant/Contract Number:
AC02-76SF00515
OSTI ID:
1839820
Journal Information:
Journal of Materials Chemistry. A, Journal Name: Journal of Materials Chemistry. A Journal Issue: 6 Vol. 10; ISSN JMCAET; ISSN 2050-7488
Publisher:
Royal Society of Chemistry (RSC)Copyright Statement
Country of Publication:
United Kingdom
Language:
English

References (43)

The Criteria for Beneficial Disorder in Thermoelectric Solid Solutions journal October 2012
Beneficial Contribution of Alloy Disorder to Electron and Phonon Transport in Half-Heusler Thermoelectric Materials journal April 2013
Design of High‐Performance Disordered Half‐Heusler Thermoelectric Materials Using 18‐Electron Rule journal August 2019
Band Engineering of Thermoelectric Materials journal October 2012
Weighted Mobility journal May 2020
Effect of Two‐Dimensional Crystal Orbitals on Fermi Surfaces and Electron Transport in Three‐Dimensional Perovskite Oxides journal February 2019
Thinking Like a Chemist: Intuition in Thermoelectric Materials journal April 2016
Crystal structure and stability of complex precipitate phases in Al–Cu–Mg–(Si) and Al–Zn–Mg alloys journal September 2001
BoltzTraP2, a program for interpolating band structures and calculating semi-classical transport coefficients journal October 2018
Creep behavior and postcreep thermoelectric performance of the n-type half-Heusler alloy Hf0.3Zr0.7NiSn0.98Sb0.02 journal June 2019
Simple rules for the understanding of Heusler compounds journal May 2011
Defect Engineering for Enhancement of Thermoelectric Performance of (Zr, Hf)NiSn-Based n-type Half-Heusler Alloys journal March 2020
Electrical Property Dominated Promising Half-Heusler Thermoelectrics through High-Throughput Material Computations journal July 2019
Continuously Enhanced Structural Disorder To Suppress the Lattice Thermal Conductivity of ZrNiSn-Based Half-Heusler Alloys by Multielement and Multisite Alloying with Very Low Hf Content journal March 2019
Theoretical Prediction and Experimental Confirmation of Unusual Ternary Ordered Semiconductor Compounds in Sr–Pb–S System journal January 2014
Engineering half-Heusler thermoelectric materials using Zintl chemistry journal May 2016
Convergence of electronic bands for high performance bulk thermoelectrics journal May 2011
Realizing high figure of merit in heavy-band p-type half-Heusler thermoelectric materials journal September 2015
Complex thermoelectric materials journal February 2008
Half-Heusler ternary compounds as new multifunctional experimental platforms for topological quantum phenomena journal May 2010
Discovery of ZrCoBi based half Heuslers with high thermoelectric conversion efficiency journal June 2018
Discovery of TaFeSb-based half-Heuslers with high thermoelectric performance journal January 2019
When band convergence is not beneficial for thermoelectrics journal June 2021
Effective mass and Fermi surface complexity factor from ab initio band structure calculations journal February 2017
Valleytronics in thermoelectric materials journal February 2018
A valence balanced rule for discovery of 18-electron half-Heuslers with defects journal January 2018
Thermoelectric properties of n-type half-Heusler NbCoSn with heavy-element Pt substitution journal January 2020
Prediction of improved thermoelectric performance by ordering in double half-Heusler materials journal January 2020
Orbital chemistry of high valence band convergence and low-dimensional topology in PbTe journal January 2021
Low effective mass leading to high thermoelectric performance journal January 2012
Effect of Ti substitution on the thermoelectric properties of (Zr,Hf)NiSn half-Heusler compounds journal February 2005
Simplified LCAO Method for the Periodic Potential Problem journal June 1954
Special points for Brillouin-zone integrations journal June 1976
From ultrasoft pseudopotentials to the projector augmented-wave method journal January 1999
First-principles study of binary bcc alloys using special quasirandom structures journal June 2004
I-II-V half-Heusler compounds for optoelectronics: Ab initio calculations journal February 2010
Effects of extrinsic and intrinsic perturbations on the electronic structure of graphene: Retaining an effective primitive cell band structure by band unfolding journal January 2014
Ternary semiconductors NiZrSn and CoZrBi with half-Heusler structure: A first-principles study journal August 2016
Computational investigation of half-Heusler compounds for spintronics applications journal January 2017
Special quasirandom structures journal July 1990
Generalized Gradient Approximation Made Simple journal October 1996
Electronic quality factor for thermoelectrics journal November 2020
Machine Learning Chemical Guidelines for Engineering Electronic Structures in Half-Heusler Thermoelectric Materials journal April 2020