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Publications 1982 2018

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2018

A novel method to synthesize bulk super saturated solid solutions Ge1-xSnx (x≤5.0%)

Ponnambalam, V. & Morelli, D. T. Apr 5 2018 In : Journal of Alloys and Compounds. 740, p. 42-46 5 p.

Research output: Contribution to journalArticle

Calcium alloys
Tin alloys
Spark plasma sintering
Binary alloys
Ball milling
cytology
Cytology
Thermoelectricity
Quantum Chemistry
Quantum chemistry
2017

Detrimental effect of powder processing on the thermoelectric properties of CoSi

Sun, H., Lu, X. & Morelli, D. T. Mar 29 2017 (Accepted/In press) In : Journal of Materials Science. p. 1-7 7 p.

Research output: Contribution to journalArticle

Powders
Thermal conductivity
Seebeck coefficient
Processing
Thermoelectric power
1 Citations

Effect of non-stoichiometry on the thermal and electrical properties of polycrystalline PtSb2 at low temperature

Waldrop, S. L. & Morelli, D. T. Apr 15 2017 In : Journal of Alloys and Compounds. 701, p. 23-26 4 p.

Research output: Contribution to journalArticle

Electric properties
Thermodynamic properties
Antimony
Seebeck coefficient
Energy gap

Engineering Temperature-Dependent Carrier Concentration in Bulk Composite Materials via Temperature-Dependent Fermi Level Offset

Hui, S., Gao, W., Lu, X., Panda, A., Bailey, T. P., Page, A. A., Forrest, S. R., Morelli, D. T., Pan, X., Pipe, K. P. & Uher, C. 2017 (Accepted/In press) In : Advanced Energy Materials.

Research output: Contribution to journalArticle

Fermi level
Carrier concentration
Composite materials
Doping (additives)
Temperature
1 Citations

Eu2+-Eu3+ valence transition in double, Eu-, and Na-doped PbSe from transport, magnetic, and electronic structure studies

Wiendlocha, B., Kim, S., Lee, Y., He, B., Lehr, G., Kanatzidis, M. G., Morelli, D. T. & Heremans, J. P. 2017 In : Physical Chemistry Chemical Physics. 19, 14, p. 9606-9616 11 p.

Research output: Contribution to journalArticle

Magnetic structure
Electronic structure
Magnetization
Thermoelectric power
Doping (additives)

Increasing the thermoelectric power factor of Ge17Sb2Te20 by adjusting the Ge/Sb ratio

Williams, J. B., Mather, S. P., Page, A., Uher, C. & Morelli, D. T. Jul 28 2017 In : Journal of Applied Physics. 122, 4, 045105

Research output: Contribution to journalArticle

adjusting
phase change materials
figure of merit
stoichiometry
thermal conductivity
1 Citations
Spark plasma sintering
Mechanical alloying
Nickel
Zinc
Ball milling
4 Citations

Thermoelectric Performance of Tetrahedrite Synthesized by a Modified Polyol Process

Weller, D. P., Stevens, D. L., Kunkel, G. E., Ochs, A. M., Holder, C. F., Morelli, D. T. & Anderson, M. E. Feb 28 2017 In : Chemistry of Materials. 29, 4, p. 1656-1664 9 p.

Research output: Contribution to journalArticle

Polyols
Thermal conductivity
Zinc
Thermoelectric power
Doping (additives)
2016
9 Citations

Band structure engineering in highly degenerate tetrahedrites through isovalent doping

Lu, X., Yao, W., Wang, G., Zhou, X., Morelli, D., Zhang, Y., Chi, H., Hui, S. & Uher, C. 2016 In : Journal of Materials Chemistry A. 4, 43, p. 17096-17103 8 p.

Research output: Contribution to journalArticle

Seebeck coefficient
Valence bands
Band structure
Carrier concentration
Doping (additives)

Effects of Sn Substitution on Thermoelectric Properties of Ge4SbTe5

Williams, J. B., Mather, S. & Morelli, D. T. Feb 1 2016 In : Journal of Electronic Materials. 45, 2, p. 1077-1084 8 p.

Research output: Contribution to journalArticle

phase change materials
Phase change materials
Thermal conductivity
Substitution reactions
thermal conductivity
4 Citations

First-principles studies of atomic dynamics in tetrahedrite thermoelectrics

Li, J., Zhu, M., Abernathy, D. L., Ke, X., Morelli, D. T. & Lai, W. Oct 1 2016 In : APL Materials. 4, 10, 104811

Research output: Contribution to journalArticle

Thermal conductivity
Inelastic neutron scattering
Molecular dynamics
Earth (planet)
Experiments
1 Citations
substitutes
atoms
thermal conductivity
room temperature
Seebeck effect
25 Citations

Phase Stability, Crystal Structure, and Thermoelectric Properties of Cu12Sb4S13-xSex Solid Solutions

Lu, X., Morelli, D. T., Wang, Y., Lai, W., Xia, Y. & Ozolins, V. Mar 22 2016 In : Chemistry of Materials. 28, 6, p. 1781-1786 6 p.

Research output: Contribution to journalArticle

Phase stability
Solid solutions
Substitution reactions
Crystal structure
Thermal conductivity
4 Citations

The Thermoelectric Properties and Solubility Limit of CuFeS2(1−x)Se2x

Carr, W. D. & Morelli, D. T. Mar 1 2016 In : Journal of Electronic Materials. 45, 3, p. 1346-1350 5 p.

Research output: Contribution to journalArticle

Thermoelectric power
Selenium
selenium
Thermal conductivity
Electric properties
3 Citations

Understanding the superior thermoelectric performance of Sb precipitated Ge17Sb2Te20

Williams, J. B. & Morelli, D. T. 2016 In : Journal of Materials Chemistry C. 4, 42, p. 10011-10017 7 p.

Research output: Contribution to journalArticle

Composite materials
Phase change materials
Charge carriers
Conversion efficiency
Scattering
1 Citations

Using Ge Secondary Phases to Enhance the Power Factor and Figure of Merit of Ge17Sb2Te20

Williams, J. B. & Morelli, D. T. Aug 18 2016 (Accepted/In press) In : Journal of Electronic Materials. p. 1-10 10 p.

Research output: Contribution to journalArticle

figure of merit
thermoelectric materials
Seebeck effect
thermal conductivity
Seebeck coefficient
2015
61 Citations

Better thermoelectrics through glass-like crystals

Beekman, M., Morelli, D. T. & Nolas, G. S. Nov 20 2015 In : Nature Materials. 14, 12, p. 1182-1185 4 p.

Research output: Contribution to journalArticle

Glass
Crystals
thermoelectric materials
glass
crystals
4 Citations

Design of lead telluride based thermoelectric materials through incorporation of lead sulfide inclusions or ligand stripping of nanosized building block

James, D., Lu, X., Nguyen, A. C., Morelli, D. & Brock, S. L. Mar 5 2015 In : Journal of Physical Chemistry C. 119, 9, p. 4635-4644 10 p.

Research output: Contribution to journalArticle

lead tellurides
lead sulfides
thermoelectric materials
stripping
Lead
3 Citations

Enhanced thermoelectric performance driven by high-temperature phase transition in the phase change material Ge4SbTe5

Williams, J. B., Lara-Curzio, E., Cakmak, E., Watkins, T. & Morelli, D. T. May 15 2015 In : Journal of Materials Research. 30, 17, p. 2605-2610 6 p.

Research output: Contribution to journalArticle

phase change materials
thermoelectric materials
Phase change materials
Phase transitions
Seebeck effect
54 Citations

From bonding asymmetry to anharmonic rattling in Cu12Sb4S13 tetrahedrites: When lone-pair electrons are not so lonely

Lai, W., Wang, Y., Morelli, D. T. & Lu, X. Jun 1 2015 In : Advanced Functional Materials. 25, 24, p. 3648-3657 10 p.

Research output: Contribution to journalArticle

asymmetry
Electrons
electrons
Atoms
Thermal conductivity
5 Citations

Improved thermoelectric properties in heavily doped FeGa3

Ponnambalam, V. & Morelli, D. T. Dec 28 2015 In : Journal of Applied Physics. 118, 24, 245101

Research output: Contribution to journalArticle

Seebeck effect
electrical resistivity
figure of merit
point defects
thermal conductivity
71 Citations

Increasing the thermoelectric figure of merit of tetrahedrites by Co-doping with nickel and zinc

Lu, X., Morelli, D. T., Xia, Y. & Ozolins, V. Jan 27 2015 In : Chemistry of Materials. 27, 2, p. 408-413 6 p.

Research output: Contribution to journalArticle

Nickel
Zinc
Thermal conductivity
Doping (additives)
Valence bands
16 Citations
Solid solutions
Gallium
Indium
Seebeck coefficient
Doping (additives)
3 Citations
thermoelectricity
solid solutions
Seebeck effect
valence
expansion
4 Citations

Low-Temperature Thermoelectric Properties of PtSb2−xTexfor Cryogenic Peltier Cooling Applications

Waldrop, S. & Morelli, D. Jun 1 2015 In : Journal of Electronic Materials. 44, 6, p. 1562-1565 4 p.

Research output: Contribution to journalArticle

Cryogenics
cryogenics
Doping (additives)
Cooling
cooling
15 Citations

Solvothermal Synthesis of Tetrahedrite: Speeding Up the Process of Thermoelectric Material Generation

James, D. J., Lu, X., Morelli, D. T. & Brock, S. L. Oct 28 2015 In : ACS Applied Materials and Interfaces. 7, 42, p. 23623-23632 10 p.

Research output: Contribution to journalArticle

Temperature
Minerals
Annealing
Derivatives
Heating
3 Citations

Thermoelectric Investigation of the Pseudo Binary System PbTe–CoSe2

Ponnambalam, V. & Morelli, D. T. Jun 1 2015 In : Journal of Electronic Materials. 44, 6, p. 2089-2094 6 p.

Research output: Contribution to journalArticle

composite materials
Composite materials
Seebeck coefficient
Seebeck effect
Chemical analysis
5 Citations

YbCu2Si2–LaCu2Si2 Solid Solutions with Enhanced Thermoelectric Power Factors

Lehr, G. J., Morelli, D. T., Jin, H. & Heremans, J. P. Jun 1 2015 In : Journal of Electronic Materials. 44, 6, p. 1663-1667 5 p.

Research output: Contribution to journalArticle

Thermoelectric power
Seebeck effect
Solid solutions
solid solutions
Seebeck coefficient
2014
24 Citations

Highly efficient (In2Te3)x(GeTe) 3-3x thermoelectric materials: A substitute for TAGS

Sun, H., Lu, X., Chi, H., Morelli, D. T. & Uher, C. Aug 7 2014 In : Physical Chemistry Chemical Physics. 16, 29, p. 15570-15575 6 p.

Research output: Contribution to journalArticle

thermoelectric materials
Thermal conductivity
thermal conductivity
substitutes
Phonon scattering
37 Citations

Low-temperature heat capacity and localized vibrational modes in natural and synthetic tetrahedrites

Lara-Curzio, E., May, A. F., Delaire, O., McGuire, M. A., Lu, X., Liu, C. Y., Case, E. D. & Morelli, D. T. May 21 2014 In : Journal of Applied Physics. 115, 19, 193515

Research output: Contribution to journalArticle

vibration mode
specific heat
thermal conductivity
oscillators
temperature dependence
30 Citations

Prediction of new stable compounds and promising thermoelectrics in the cu-Sb-Se system

Zhang, Y., Ozoliniņš, V., Morelli, D. & Wolverton, C. Jun 10 2014 In : Chemistry of Materials. 26, 11, p. 3427-3435 9 p.

Research output: Contribution to journalArticle

Phase diagrams
Entropy
Phase stability
Ternary systems
Band structure
32 Citations

The effect of Te substitution for sb on thermoelectric properties of tetrahedrite

Lu, X. & Morelli, D. 2014 In : Journal of Electronic Materials. 43, 6, p. 1983-1987 5 p.

Research output: Contribution to journalArticle

Substitution reactions
substitutes
Valence bands
valence
thermoelectric materials
6 Citations
light elements
Thermal conductivity
thermal conductivity
Seebeck coefficient
Seebeck effect
2013
9 Citations

Effects of Ni, Pd and Pt substitutions on thermoelectric properties of cosi alloys

Sun, H., Lu, X. & Morelli, D. T. Jul 2013 In : Journal of Electronic Materials. 42, 7, p. 1352-1357 6 p.

Research output: Contribution to journalArticle

Seebeck coefficient
Substitution reactions
substitutes
Seebeck effect
Impurities
9 Citations

Enhanced thermoelectric power factor in Yb1-xSc xAl2 alloys using chemical pressure tuning of the Yb valence

Lehr, G. J., Morelli, D. T., Jin, H. & Heremans, J. P. Dec 14 2013 In : Journal of Applied Physics. 114, 22, 223712

Research output: Contribution to journalArticle

Seebeck effect
tuning
valence
substitutes
coolers
190 Citations

High performance thermoelectricity in earth-abundant compounds based on natural mineral tetrahedrites

Lu, X., Morelli, D. T., Xia, Y., Zhou, F., Ozolins, V., Chi, H., Zhou, X. & Uher, C. Mar 2013 In : Advanced Energy Materials. 3, 3, p. 342-348 7 p.

Research output: Contribution to journalArticle

Thermoelectricity
Minerals
Earth (planet)
Seebeck coefficient
Thermal conductivity
70 Citations

Natural mineral tetrahedrite as a direct source of thermoelectric materials

Lu, X. & Morelli, D. T. Apr 28 2013 In : Physical Chemistry Chemical Physics. 15, 16, p. 5762-5766 5 p.

Research output: Contribution to journalArticle

thermoelectric materials
Minerals
Earth (planet)
minerals
Powders
18 Citations

On the thermoelectric properties of zintl compounds Mg3Bi 2-x Pnx (Pn = P and Sb)

Ponnambalam, V. & Morelli, D. T. Jul 2013 In : Journal of Electronic Materials. 42, 7, p. 1307-1312 6 p.

Research output: Contribution to journalArticle

Thermal conductivity
thermal conductivity
Hall mobility
electrical resistivity
Seebeck coefficient
28 Citations

Rapid synthesis of high-performance thermoelectric materials directly from natural mineral tetrahedrite

Lu, X. & Morelli, D. T. 2013 In : MRS Communications. 3, 3, p. 129-133 5 p.

Research output: Contribution to journalArticle

Minerals
Bearings (structural)
Thermoelectric power
Ball milling
Power generation
14 Citations

Room temperature mechanical properties of natural-mineral-based thermoelectrics

Fan, X., Case, E. D., Lu, X. & Morelli, D. T. Nov 2013 In : Journal of Materials Science. 48, 21, p. 7540-7550 11 p.

Research output: Contribution to journalArticle

Minerals
Mechanical properties
Fracture toughness
Elastic moduli
Hardness
10 Citations

Room temperature mechanical properties of polycrystalline YbAl3, a promising low temperature thermoelectric material

Schmidt, R. D., Case, E. D., Lehr, G. J. & Morelli, D. T. 2013 In : Intermetallics. 35, p. 15-24 10 p.

Research output: Contribution to journalArticle

Spark plasma sintering
Porosity
Elastic moduli
Hot pressing
Mechanical properties
3 Citations

Structural, magnetic and thermoelectric properties of some CePd 3-based compounds

Boona, S. R. & Morelli, D. T. Jul 2013 In : Journal of Electronic Materials. 42, 7, p. 1592-1596 5 p.

Research output: Contribution to journalArticle

Electronic properties
Transport properties
transport properties
magnetic properties
Seebeck coefficient
12 Citations

Synthesis, crystal structure, and thermoelectric properties of the YbAl 3-ScAl 3 solid solution

Lehr, G. J. & Morelli, D. T. Jan 2013 In : Intermetallics. 32, p. 225-229 5 p.

Research output: Contribution to journalArticle

Solid solutions
Crystal structure
Seebeck coefficient
Thermal conductivity
Spark plasma sintering
12 Citations

Thermoelectric properties of Yb1-x (Er,Lu)x Al 3 solid solutions

Lehr, G. J. & Morelli, D. T. Jul 2013 In : Journal of Electronic Materials. 42, 7, p. 1697-1701 5 p.

Research output: Contribution to journalArticle

Solid solutions
Thermal conductivity
solid solutions
thermal conductivity
figure of merit
18 Citations

The role of simultaneous substitution of Cr and Ru on the thermoelectric properties of defect manganese silicides MnSiδ (1.73 <δ <1.75)

Ponnambalam, V., Morelli, D. T., Bhattacharya, S. & Tritt, T. M. 2013 In : Journal of Alloys and Compounds. 580, p. 598-603 6 p.

Research output: Contribution to journalArticle

Silicides
Manganese
Hole concentration
Thermal conductivity
Substitution reactions
216 Citations

When thermoelectrics reached the nanoscale

Heremans, J. P., Dresselhaus, M. S., Bell, L. E. & Morelli, D. T. Jul 2013 In : Nature Nanotechnology. 8, 7, p. 471-473 3 p.

Research output: Contribution to journalArticle

2012
27 Citations
chimneys
Silicides
Chimneys
silicides
Ladders
3 Citations

Effect of thermal processing on the microstructure and composition of Cu-Sb-Se compounds

Majsztrik, P. W., Kirkham, M., Garcia-Negron, V., Lara-Curzio, E., Skoug, E. J. & Morelli, D. T. 2012 (Accepted/In press) In : Journal of Materials Science. p. 1-11 11 p.

Research output: Contribution to journalArticle

Cooling
Microstructure
Nanoindentation
Chemical analysis
Stoichiometry
8 Citations

Enhanced thermoelectric properties of CePd 3-xPt x

Boona, S. R. & Morelli, D. T. Sep 3 2012 In : Applied Physics Letters. 101, 10, 101909

Research output: Contribution to journalArticle

Seebeck effect
figure of merit
chemical properties
palladium
platinum