supported by Carnegie Canada and Natural Sciences and Engineering Research Council of Canada(NSERC);support from the U.S.Department of Energy(DOE),Office of Science,Basic Energy Sciences,under Award No.DESC0020683。
The recent discovery of type-Ⅶboron-carbon clathrates with calculated superconducting transition temperatures approaching~100 K has sparked interest in exploring new conventional superconductors that may be stabilize...
Project supported by the National Natural Science Foundation of China(Grant No.50902119)
Single-crystal samples of type-VIII BasGa16-xCuxSn30 (x = 0, 0.03, 0.06, 0.15) clathrates were prepared using the Sn-flux method. At room temperature the carrier density, n, is 3.5-5 × 10^19 cm^-3 for all the sampl...
Project supported by the National Basic Research Program of China (Grant Nos 2007CB607501 and 2007CB607503);Yunnan Natural Science Fund (Grant No 2008CD114)
N-type Si-based type-Ⅰ clathrates with different Ga content were synthesized by combining the solid-state reaction method,melting method and spark plasma sintering (SPS) method.The effects of Ga composition on high...