2003
DOI: 10.1016/s0921-4526(02)01805-7
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Are type-I clathrates Zintl phases and ‘phonon glasses and electron single crystals’?

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Cited by 57 publications
(57 citation statements)
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“…Chemically chalcopyrite-like compounds are akin to the Zintl phase, and some Zintl phases are indeed good thermoelectric materials. [12][13][14] 4 ] ones are the electrically insulating units (EIU). Modifying the conducting units by proper doping could introduce more electrically conducting pathways and result in enhanced s values without significantly increasing the electrical thermal conductivity (k E ), provided there is sufficient screening of the insulating unit and more structure disorder due to doping.…”
mentioning
confidence: 99%
“…Chemically chalcopyrite-like compounds are akin to the Zintl phase, and some Zintl phases are indeed good thermoelectric materials. [12][13][14] 4 ] ones are the electrically insulating units (EIU). Modifying the conducting units by proper doping could introduce more electrically conducting pathways and result in enhanced s values without significantly increasing the electrical thermal conductivity (k E ), provided there is sufficient screening of the insulating unit and more structure disorder due to doping.…”
mentioning
confidence: 99%
“…Їх Слек назвав «фононне скло -електронний кристал» (PGEC -phonon-glass/electron-crystal), однак вчений не знав, які саме речовини могли б відповідати таким вимогам. Вперше PGEC-концепція знайшла своє практичне застосування при дослідженні скуттерудітів [102][103][104][105][106], а пізніше була реалізована у напівпровідникових клатра-тах [107][108][109][110][111][112]. Ці об'ємні матеріали придатні для роботи при високих температурах (300-600 °С) і зазвичай характеризуються добре розвиненою кристалічною структурою, що і забезпечує хороші електричні властивості.…”
Section: перспективні матеріали для високоефек-тивних термоелектроперunclassified
“…Reports have shown that ZT can be enhanced in quantum dots (QD) and superlattice (SL) thin films both because of the increase in the power factor (˛2 ) and the decrease in Ä, which result from quantum confinement and the phonon scattering effect, respectively [13][14][15][16][17][18][19][20][21]. Relatively high ZT values are often exhibited in these QDs or SL structures, but the commercial use of these substances is difficult because of complicated production processes and high costs.…”
Section: Introductionmentioning
confidence: 99%