Enhanced thermoelectric performance of heavy-fermion compounds YbTM2Zn20 (TM = Co, Rh, Ir) at low temperatures

Wei, Kaya; Neu, Jennifer N.; Lai, You; Chen, Kuan-Wen; Hobbis, Dean; Nolas, George S.; Graf, David E.; Siegrist, Theo; Baumbach, Ryan E.

doi:10.1126/sciadv.aaw6183

Title: Enhanced thermoelectric performance of heavy-fermion compounds YbTM₂Zn₂₀ (TM = Co, Rh, Ir) at low temperatures

Abstract

Thermoelectricity allows direct conversion between heat and electricity, providing alternatives for green energy technologies. Despite these advantages, for most materials the energy conversion efficiency is limited by the tendency for the electrical and thermal conductivity to be proportional to each other and the Seebeck coefficient to be small. Here we report counter examples, where the heavy fermion compounds YbTM₂Zn₂₀ (TM= Co, Rh, Ir) exhibit enhanced thermoelectric performance including a large power factor (PF= 74 μW/cm-K²; TM= Ir) and a high figure of merit (ZT= 0.07; TM= Ir) at 35 K. The combination of the strongly hybridized electronic state originating from the Yb f-electrons and the novel structural features (large unit cell and possible soft phonon modes) leads to high power factors and small thermal conductivity values. This demonstrates that with further optimization these systems could provide a platform for the next generation of low temperature thermoelectric materials.

Authors:

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^[2]; Chen, Kuan-Wen ^[2];

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Florida State Univ., Tallahassee, FL (United States). National High Magnetic Field Lab. (MagLab)
Florida State Univ., Tallahassee, FL (United States). National High Magnetic Field Lab. (MagLab) and Dept. of Physics
Univ. of South Florida, Tampa, FL (United States)
Florida State Univ., Tallahassee, FL (United States). National High Magnetic Field Lab. (MagLab) ; FAMU-FSU College of Engineering, Tallahassee, FL (United States)

Publication Date:: Fri May 31 00:00:00 EDT 2019

Research Org.:: Florida State Univ., Tallahassee, FL (United States); Energy Frontier Research Centers (EFRC) (United States). Center for Actinide Science & Technology (CAST)

Sponsoring Org.:: National Science Foundation (NSF); State of Florida; USDOE Office of Science (SC), Basic Energy Sciences (BES); Jack E. Crow Postdoctoral Fellowship; II-VI Foundation

OSTI Identifier:: 1612650

Grant/Contract Number:: SC0016568; NSF DMR-1606952; DMR-1748188

Resource Type:: Accepted Manuscript

Journal Name:: Science Advances

Additional Journal Information:: Journal Volume: 5; Journal Issue: 5; Journal ID: ISSN 2375-2548

Publisher:: AAAS

Country of Publication:: United States

Language:: English

Subject:: 36 MATERIALS SCIENCE; Science & Technology - Other Topics

Citation Formats


                    Wei, Kaya, Neu, Jennifer N., Lai, You, Chen, Kuan-Wen, Hobbis, Dean, Nolas, George S., Graf, David E., Siegrist, Theo, and Baumbach, Ryan E. Enhanced thermoelectric performance of heavy-fermion compounds YbTM2Zn20 (TM = Co, Rh, Ir) at low temperatures.  United States: N. p., 2019. 
Web.  doi:10.1126/sciadv.aaw6183.

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                    Wei, Kaya, Neu, Jennifer N., Lai, You, Chen, Kuan-Wen, Hobbis, Dean, Nolas, George S., Graf, David E., Siegrist, Theo, & Baumbach, Ryan E. Enhanced thermoelectric performance of heavy-fermion compounds YbTM2Zn20 (TM = Co, Rh, Ir) at low temperatures.  United States.  https://doi.org/10.1126/sciadv.aaw6183

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                    Wei, Kaya, Neu, Jennifer N., Lai, You, Chen, Kuan-Wen, Hobbis, Dean, Nolas, George S., Graf, David E., Siegrist, Theo, and Baumbach, Ryan E. Fri .  
"Enhanced thermoelectric performance of heavy-fermion compounds YbTM2Zn20 (TM = Co, Rh, Ir) at low temperatures".  United States.  https://doi.org/10.1126/sciadv.aaw6183.  https://www.osti.gov/servlets/purl/1612650.

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@article{osti_1612650,

  title        = {Enhanced thermoelectric performance of heavy-fermion compounds YbTM2Zn20 (TM = Co, Rh, Ir) at low temperatures},

  author       = {Wei, Kaya and Neu, Jennifer N. and Lai, You and Chen, Kuan-Wen and Hobbis, Dean and Nolas, George S. and Graf, David E. and Siegrist, Theo and Baumbach, Ryan E.},

  abstractNote = {Thermoelectricity allows direct conversion between heat and electricity, providing alternatives for green energy technologies. Despite these advantages, for most materials the energy conversion efficiency is limited by the tendency for the electrical and thermal conductivity to be proportional to each other and the Seebeck coefficient to be small. Here we report counter examples, where the heavy fermion compounds YbTM2Zn20 (TM= Co, Rh, Ir) exhibit enhanced thermoelectric performance including a large power factor (PF= 74 μW/cm-K2; TM= Ir) and a high figure of merit (ZT= 0.07; TM= Ir) at 35 K. The combination of the strongly hybridized electronic state originating from the Yb f-electrons and the novel structural features (large unit cell and possible soft phonon modes) leads to high power factors and small thermal conductivity values. This demonstrates that with further optimization these systems could provide a platform for the next generation of low temperature thermoelectric materials.},

  doi          = {10.1126/sciadv.aaw6183},

  journal      = {Science Advances},

  number       = 5,

  volume       = 5,

  place        = {United States},

  year         = {Fri May 31 00:00:00 EDT 2019},

  month        = {Fri May 31 00:00:00 EDT 2019}

}

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Title: Enhanced thermoelectric performance of heavy-fermion compounds YbTM2Zn20 (TM = Co, Rh, Ir) at low temperatures

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Filled Skutterudite Antimonides: A New Class of Thermoelectric Materials journal, May 1996

SKUTTERUDITES: A Phonon-Glass-Electron Crystal Approach to Advanced Thermoelectric Energy Conversion Applications journal, August 1999

Ternary Rare Earth Transition Metal Zinc Compounds RT2Zn20 with T = Fe, Ru, Co, Rh, and Ni journal, September 1997

YSix closely related YbT$_2$Zn$_{20}$ (T = Fe, Co, Ru, Rh, Os, Ir) heavy fermion compounds with large local moment degeneracy text, January 2006

Title: Enhanced thermoelectric performance of heavy-fermion compounds YbTM₂Zn₂₀ (TM = Co, Rh, Ir) at low temperatures

Strong Field Quenching of the Quasiparticle Effective Mass in Heavy Fermion Compound YbCo ₂ Zn ₂₀
journal, August 2010

Ultrasonic investigation close to quantum critical point in YbTr ₂ Zn ₂₀ (Tr: Co, Rh, and Ir)
journal, January 2010

Magnetic properties of $R {Fe}_{2} {Zn}_{20}$ and $R {Co}_{2} {Zn}_{20}$ $(R = Y, Nd, Sm, Gd – Lu)$
journal, September 2009

Electronic Structure of Heavy-Fermion Systems Yb T ₂ Zn ₂₀ ( T = Fe, Co, Ru, Rh, Os, Ir)
journal, December 2010

Transport properties of Bi-RICH Bi-Sb alloys
journal, January 1996

Intermediate valence behavior in the novel cage compound CeIr ₂ Zn ₂₀
journal, January 2013

Metamagnetic Behavior and Effect of Pressure on the Electronic State in Heavy-Fermion Compound YbRh ₂ Zn ₂₀
journal, August 2013

Thermoelectric properties of Co-, Ir-, and Os-doped FeSi alloys: Evidence for strong electron-phonon coupling
journal, March 2011

Thermoelectric and optical properties of the filled skutterudite ${YbFe}_{4} {Sb}_{12}$
journal, February 2000

Some properties of semiconducting IrSb ₃
journal, August 1994

Electrical and thermal transport properties of intermediate-valence YbAl3
journal, August 2002

Metamagnetic Transition in Heavy Fermion Compounds YbT ₂ Zn ₂₀ (T : Co, Rh, Ir)
journal, January 2011

Multiple-Filled Skutterudites: High Thermoelectric Figure of Merit through Separately Optimizing Electrical and Thermal Transports
journal, May 2011

Characteristic Heavy Fermion Properties in YbCu ₂ Si ₂ and YbT ₂ Zn ₂₀ (T: Co, Rh, Ir)
journal, January 2011

New Directions for Low-Dimensional Thermoelectric Materials
journal, April 2007

Novel thermoelectric materials
journal, January 1997

The best thermoelectric.
journal, July 1996

A New Thermoelectric Material: CsBi ₄ Te ₆
journal, May 2004

CRYSTALS version 12: software for guided crystal structure analysis
journal, November 2003

SUPERFLIP – a computer program for the solution of crystal structures by charge flipping in arbitrary dimensions
journal, July 2007

Strongly correlated cage compounds for thermoelectric applications?
conference, August 2006

Six closely related YbT2Zn20 (T = Fe, Co, Ru, Rh, Os, Ir) heavy fermion compounds with large local moment degeneracy
journal, June 2007

Transport properties of partially filled skutterudite derivatives Ce $_{0.13}$ Co $_{4}$ Ge $_{6}$ Se $_{6}$ and Yb $_{0.14}$ Co $_{4}$ Ge $_{6}$ Se $_{6}$
journal, May 2013

Ternary Rare Earth Transition Metal Zinc Compounds RT2Zn20 with T = Fe, Ru, Co, Rh, and Ni
journal, September 1997

Preparation and chemical properties of the skutterudites (Ce–Yb)yFe4−x(Co/Ni)xSb12
journal, March 2005

Apparatus for the measurement of electrical resistivity, Seebeck coefficient, and thermal conductivity of thermoelectric materials between 300 K and 12 K
journal, January 2016

Preparation and structural investigations of antimonides with the LaFe4P12 structure
journal, July 1980

Synthesis, SPS processing and low temperature transport properties of polycrystalline FeSb2 with nano-scale grains
journal, May 2014

Crystal structures, atomic vibration, and disorder of the type-I thermoelectric clathrates ${Ba}_{8} {Ga}_{16} {Si}_{30}$ , ${Ba}_{8} {Ga}_{16} {Ge}_{30}$ , ${Ba}_{8} {In}_{16} {Ge}_{30}$ , and ${Sr}_{8} {Ga}_{16} {Ge}_{30}$
journal, April 2005

Anomalously large thermoelectric cooling figure of merit in the Kondo systems CePd ₃ and Celn ₃
journal, May 1973

Model for Lattice Thermal Conductivity at Low Temperatures
journal, February 1959

Yb ₁₄ MnSb ₁₁ : New High Efficiency Thermoelectric Material for Power Generation
journal, April 2006

Filled Skutterudite Antimonides: A New Class of Thermoelectric Materials
journal, May 1996

Effect of Sn substituting for Sb on the low-temperature transport properties of ytterbium-filled skutterudites
journal, April 2003

Structure and Lattice Thermal Conductivity of Fractionally Filled Skutterudites: Solid Solutions of Fully Filled and Unfilled End Members
journal, April 1998

Multiple-Filled Skutterudites: High Thermoelectric Figure of Merit through Separately Optimizing Electrical and Thermal Transports
journal, January 2012

New Directions for Low-Dimensional Thermoelectric Materials
journal, June 2007

A New Thermoelectric Material: CsBi4Te6.
journal, August 2004

Transport properties of Bi-RICH Bi-Sb alloys
journal, January 1996

A New Thermoelectric Material: CsBi ₄ Te ₆
journal, May 2004

Apparatus for the measurement of electrical resistivity, Seebeck coefficient, and thermal conductivity of thermoelectric materials between 300 K and 12 K
journal, January 2016

The best thermoelectric.
journal, July 1996

Intermediate valence behavior in the novel cage compound CeIr ₂ Zn ₂₀
journal, January 2013

Filled Skutterudite Antimonides: A New Class of Thermoelectric Materials
journal, May 1996

SKUTTERUDITES: A Phonon-Glass-Electron Crystal Approach to Advanced Thermoelectric Energy Conversion Applications
journal, August 1999

Ternary Rare Earth Transition Metal Zinc Compounds RT2Zn20 with T = Fe, Ru, Co, Rh, and Ni
journal, September 1997

YSix closely related YbT$_2$Zn$_{20}$ (T = Fe, Co, Ru, Rh, Os, Ir) heavy fermion compounds with large local moment degeneracy
text, January 2006