Search Results - "Gibbs, Zachary M."

Thinking Like a Chemist: Intuition in Thermoelectric Materials by Zeier, Wolfgang G., Zevalkink, Alex, Gibbs, Zachary M., Hautier, Geoffroy, Kanatzidis, Mercouri G., Snyder, G. Jeffrey

“…The coupled transport properties required to create an efficient thermoelectric material necessitates a thorough understanding of the relationship between the…”
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Convergence of multi-valley bands as the electronic origin of high thermoelectric performance in CoSb3 skutterudites by Tang, Yinglu, Gibbs, Zachary M., Agapito, Luis A., Li, Guodong, Kim, Hyun-Sik, Nardelli, Marco Buongiorno, Curtarolo, Stefano, Snyder, G. Jeffrey

“…Filled skutterudites R x Co 4 Sb 12 are excellent n-type thermoelectric materials owing to their high electronic mobility and high effective mass, combined…”
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Optimum Carrier Concentration in n-Type PbTe Thermoelectrics by Pei, Yanzhong, Gibbs, Zachary M., Gloskovskii, Andrei, Balke, Benjamin, Zeier, Wolfgang G., Snyder, G. Jeffrey

“…Taking La‐ and I‐doped PbTe as an example, the current work shows the effects of optimizing the thermoelectric figure of merit, zT, by controlling the doping…”
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Optical band gap and the Burstein-Moss effect in iodine doped PbTe using diffuse reflectance infrared Fourier transform spectroscopy by Gibbs, Zachary M, LaLonde, Aaron, Snyder, G Jeffrey

“…Optical absorption edge measurements are performed on I doped PbTe using diffuse reflectance infrared Fourier transform spectroscopy. The Burstein-Moss shift,…”
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Temperature dependent band gap in PbX (X = S, Se, Te) by Gibbs, Zachary M., Kim, Hyoungchul, Wang, Heng, White, Robert L., Drymiotis, Fivos, Kaviany, Massoud, Jeffrey Snyder, G.

“…PbTe is an important thermoelectric material for power generation applications due its high conversion efficiency and reliability. Its extraordinary…”
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Effective mass and Fermi surface complexity factor from ab initio band structure calculations by Gibbs, Zachary M., Ricci, Francesco, Li, Guodong, Zhu, Hong, Persson, Kristin, Ceder, Gerbrand, Hautier, Geoffroy, Jain, Anubhav, Snyder, G. Jeffrey

“…The effective mass is a convenient descriptor of the electronic band structure used to characterize the density of states and electron transport based on a…”
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Thermoelectric Enhancement in BaGa2Sb2 by Zn Doping by Aydemir, Umut, Zevalkink, Alex, Ormeci, Alim, Gibbs, Zachary M, Bux, Sabah, Snyder, G. Jeffrey

“…The Zintl phase BaGa2Sb2 has a unique crystal structure in which large tunnels formed by ethane-like dimeric [Sb3Ga–GaSb3] units are filled with Ba atoms…”
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Heterogeneous Distribution of Sodium for High Thermoelectric Performance of p-type Multiphase Lead-Chalcogenides by Yamini, Sima Aminorroaya, Mitchell, David R. G., Gibbs, Zachary M., Santos, Rafael, Patterson, Vaughan, Li, Sean, Pei, Yan Zhong, Dou, Shi Xue, Jeffrey Snyder, G.

“…Despite the effectiveness of sodium as a p‐type dopant for lead chalcogenides, its solubility is shown to be very limited in these hosts. Here, a high…”
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Band gap estimation from temperature dependent Seebeck measurement—Deviations from the 2e|S|maxTmax relation by Gibbs, Zachary M., Kim, Hyun-Sik, Wang, Heng, Snyder, G. Jeffrey

“…In characterizing thermoelectric materials, electrical and thermal transport measurements are often used to estimate electronic band structure properties such…”
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Engineering half-Heusler thermoelectric materials using Zintl chemistry by Zeier, Wolfgang G., Schmitt, Jennifer, Hautier, Geoffroy, Aydemir, Umut, Gibbs, Zachary M., Felser, Claudia, Snyder, G. Jeffrey

“…Half-Heusler compounds based on XNiSn and XCoSb (X = Ti, Zr or Hf) have rapidly become important thermoelectric materials for converting waste heat into…”
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High thermoelectric performance in (Bi0.25Sb0.75)2Te3 due to band convergence and improved by carrier concentration control by Kim, Hyun-Sik, Heinz, Nicholas A., Gibbs, Zachary M., Tang, Yinglu, Kang, Stephen D., Snyder, G. Jeffrey

“…Bi2Te3 has been recognized as an important cooling material for thermoelectric applications. Yet its thermoelectric performance could still be improved. Here…”
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Characterization of Lorenz number with Seebeck coefficient measurement by Kim, Hyun-Sik, Gibbs, Zachary M., Tang, Yinglu, Wang, Heng, Snyder, G. Jeffrey

“…In analyzing zT improvements due to lattice thermal conductivity (κL) reduction, electrical conductivity (σ) and total thermal conductivity (κTotal) are often…”
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Origin of resistivity anomaly in p -type leads chalcogenide multiphase compounds by Aminorroaya Yamini, Sima, Mitchell, David R. G., Wang, Heng, Gibbs, Zachary M., Pei, Yanzhong, Dou, Shi Xue, Snyder, G. Jeffrey

“…The electrical resistivity curves for binary phase compounds of p-type lead chalcogenide (PbTe)(0.9−x)(PbSe)0.1(PbS)x, (x = 0.15, 0.2, 0.25), which contain…”
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Thermopower enhancement in Pb1−xMnxTe alloys and its effect on thermoelectric efficiency by Pei, Yanzhong, Wang, Heng, Gibbs, Zachary M, LaLonde, Aaron D, Snyder, G Jeffrey

“…The Seebeck coefficient of p-type PbTe can be enhanced at 300 K, either due to the addition of Tl-resonant states or by manipulation of the multiple valence…”
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Thermoelectric performance of co-doped SnTe with resonant levels by Zhou, Min, Gibbs, Zachary M., Wang, Heng, Han, Yemao, Li, Laifeng, Snyder, G. Jeffrey

“…Some group III elements such as Indium are known to produce the resonant impurity states in IV-VI compounds. The discovery of these impurity states has opened…”
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Thermoelectric performance of tellurium-reduced quaternary p-type lead–chalcogenide composites by Aminorroaya Yamini, Sima, Wang, Heng, Gibbs, Zachary M., Pei, Yanzhong, Mitchell, David R.G., Dou, Shi Xue, Snyder, G. Jeffrey

“…A long-standing technological challenge to the widespread application of thermoelectric generators is obtaining high-performance thermoelectric materials from…”
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Erratum: “Band gap estimation from temperature dependent Seebeck measurement—Deviations from the 2e|S|maxTmax relation” [Appl. Phys. Lett. 106, 022112 (2015)] by Gibbs, Zachary M., Kim, Hyun-Sik, Wang, Heng, Snyder, G. Jeffrey

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Engineering half-Heusler thermoelectric materials using Zintl chemistry by Zeier, Wolfgang G., Schmitt, Jennifer, Hautier, Geoffroy, Aydemir, Umut, Gibbs, Zachary M., Felser, Claudia, Snyder, G. Jeffrey

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Thermochemistry, Morphology, and Optical Characterization of Germanium Allotropes by Zaikina, Julia V, Muthuswamy, Elayaraja, Lilova, Kristina I, Gibbs, Zachary M, Zeilinger, Michael, Snyder, G. Jeffrey, Fässler, Thomas F, Navrotsky, Alexandra, Kauzlarich, Susan M

“…A thermochemical study of three germanium allotropes by differential scanning calorimetry (DSC) and oxidative high-temperature drop solution calorimetry with…”
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Erratum: “Temperature dependent band gap in PbX (X = S, Se, Te)” [Appl. Phys. Lett. 103, 262109 (2013)] by Gibbs, Zachary M., Kim, Hyoungchul, Wang, Heng, White, Robert L., Drymiotis, Fivos, Kaviany, Massoud, Snyder, G. Jeffrey

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