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We attributed this enhancement of Seebeck coefficients to resonant levels created by the indium impurities inside the valence band, supported by the first-principles simulations. This, together with the lower thermal conductivity resulting from the decreased grain size by ball milling and hot pressing, improved both the peak and average nondimensional figure-of-merit (\n                    <jats:italic>ZT<\/jats:italic>\n                    ) significantly. A peak\n                    <jats:italic>ZT<\/jats:italic>\n                    of \u223c1.1 was obtained in 0.25 atom % In-doped SnTe at about 873 K.\n                  <\/jats:p>","DOI":"10.1073\/pnas.1305735110","type":"journal-article","created":{"date-parts":[[2013,7,31]],"date-time":"2013-07-31T03:25:22Z","timestamp":1375241122000},"page":"13261-13266","update-policy":"https:\/\/doi.org\/10.1073\/pnas.cm10313","source":"Crossref","is-referenced-by-count":783,"title":["High thermoelectric performance by resonant dopant indium in nanostructured SnTe"],"prefix":"10.1073","volume":"110","author":[{"given":"Qian","family":"Zhang","sequence":"first","affiliation":[{"name":"Department of Physics and Texas Center for Superconductivity, University of Houston, Houston, TX 77204;"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Bolin","family":"Liao","sequence":"additional","affiliation":[{"name":"Department of Mechanical Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139; and"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yucheng","family":"Lan","sequence":"additional","affiliation":[{"name":"Department of Physics and Texas Center for Superconductivity, University of Houston, Houston, TX 77204;"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kevin","family":"Lukas","sequence":"additional","affiliation":[{"name":"Department of Physics, Boston College, Chestnut Hill, MA 02467"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Weishu","family":"Liu","sequence":"additional","affiliation":[{"name":"Department of Physics and Texas Center for Superconductivity, University of Houston, Houston, TX 77204;"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Keivan","family":"Esfarjani","sequence":"additional","affiliation":[{"name":"Department of Mechanical Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139; and"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Cyril","family":"Opeil","sequence":"additional","affiliation":[{"name":"Department of Physics, Boston College, Chestnut Hill, MA 02467"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"David","family":"Broido","sequence":"additional","affiliation":[{"name":"Department of Physics, Boston College, Chestnut Hill, MA 02467"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Gang","family":"Chen","sequence":"additional","affiliation":[{"name":"Department of Mechanical Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139; and"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zhifeng","family":"Ren","sequence":"additional","affiliation":[{"name":"Department of Physics and Texas Center for Superconductivity, University of Houston, Houston, TX 77204;"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"341","published-online":{"date-parts":[[2013,7,30]]},"reference":[{"key":"e_1_3_3_1_2","first-page":"1-1","volume-title":"CRC Handbook of Thermoelectrics, Macro to Nano","author":"Rowe DM","year":"2006","unstructured":"DM Rowe, General principles and basic considerations. 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