Superconductivity in ternary molybdenum sulfides
Three research papers are presented: (1) Superconductivity in Th-Zr Alloys; (2) Superconductivity in Pd-Si-H(D) alloys; and (3) Low Temperature Specific Heat of Amorphous Pd-Si Alloys.
Luo, H. L.↗
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Results for “Th-Zr”
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Materials Data on ThZr2 by Materials Project
ThZr2 is alpha La-derived structured and crystallizes in the trigonal P-3m1 space group. The structure is three-dimensional. Th is bonded to six equivalent Th and six equivalent Zr atoms to form ThTh6Zr6 cuboctahedra that share corners with six equivalent ThTh6Zr6 cuboctahedra, corners with six equivalent ZrTh3Zr9 cuboctahedra, edges with six equivalent ThTh6Zr6 cuboctahedra, edges with eighteen equivalent ZrTh3Zr9 cuboctahedra, faces with six equivalent ThTh6Zr6 cuboctahedra, and faces with twelve equivalent ZrTh3Zr9 cuboctahedra. All Th–Th bond lengths are 3.36 Å. All Th–Zr bond lengths are 3.32 Å. Zr is bonded to three equivalent Th and nine equivalent Zr atoms to form ZrTh3Zr9 cuboctahedra that share corners with three equivalent ThTh6Zr6 cuboctahedra, corners with nine equivalent ZrTh3Zr9 cuboctahedra, edges with nine equivalent ThTh6Zr6 cuboctahedra, edges with fifteen equivalent ZrTh3Zr9 cuboctahedra, faces with six equivalent ThTh6Zr6 cuboctahedra, and faces with twelve equivalent ZrTh3Zr9 cuboctahedra. There are three shorter (3.22 Å) and six longer (3.36 Å) Zr–Zr bond lengths.
36 MATERIALS SCIENCE↗
Materials Data on ThZr3 by Materials Project
ThZr3 is Magnesium-derived structured and crystallizes in the hexagonal P-6m2 space group. The structure is three-dimensional. Th is bonded to six equivalent Th and six equivalent Zr atoms to form ThTh6Zr6 cuboctahedra that share corners with six equivalent ThTh6Zr6 cuboctahedra, corners with twelve equivalent ZrZr12 cuboctahedra, edges with six equivalent ThTh6Zr6 cuboctahedra, edges with twelve equivalent ZrTh3Zr9 cuboctahedra, faces with six equivalent ThTh6Zr6 cuboctahedra, and faces with fourteen ZrZr12 cuboctahedra. All Th–Th bond lengths are 3.31 Å. All Th–Zr bond lengths are 3.44 Å. There are two inequivalent Zr sites. In the first Zr site, Zr is bonded to twelve Zr atoms to form ZrZr12 cuboctahedra that share corners with six equivalent ZrZr12 cuboctahedra, corners with twelve equivalent ThTh6Zr6 cuboctahedra, edges with eighteen ZrZr12 cuboctahedra, faces with two equivalent ThTh6Zr6 cuboctahedra, and faces with eighteen ZrZr12 cuboctahedra. There are six shorter (3.17 Å) and six longer (3.31 Å) Zr–Zr bond lengths. In the second Zr site, Zr is bonded to three equivalent Th and nine Zr atoms to form ZrTh3Zr9 cuboctahedra that share corners with eighteen equivalent ZrTh3Zr9 cuboctahedra, edges with six equivalent ThTh6Zr6 cuboctahedra, edges with twelve ZrZr12 cuboctahedra, faces with six equivalent ThTh6Zr6 cuboctahedra, and faces with fourteen ZrZr12 cuboctahedra. All Zr–Zr bond lengths are 3.31 Å.
36 MATERIALS SCIENCE↗
Materials Data on ThZr3 by Materials Project
ThZr3 is Copper-derived structured and crystallizes in the tetragonal P4/mmm space group. The structure is three-dimensional. Th is bonded to four equivalent Th and eight equivalent Zr atoms to form ThTh4Zr8 cuboctahedra that share corners with four equivalent ThTh4Zr8 cuboctahedra, corners with eight equivalent ZrZr12 cuboctahedra, edges with twenty-four ZrTh4Zr8 cuboctahedra, faces with eight equivalent ThTh4Zr8 cuboctahedra, and faces with ten ZrTh4Zr8 cuboctahedra. All Th–Th bond lengths are 3.28 Å. All Th–Zr bond lengths are 3.41 Å. There are two inequivalent Zr sites. In the first Zr site, Zr is bonded to four equivalent Th and eight Zr atoms to form ZrTh4Zr8 cuboctahedra that share corners with twelve equivalent ZrTh4Zr8 cuboctahedra, edges with eight equivalent ThTh4Zr8 cuboctahedra, edges with sixteen ZrTh4Zr8 cuboctahedra, faces with four equivalent ThTh4Zr8 cuboctahedra, and faces with fourteen ZrTh4Zr8 cuboctahedra. There are four shorter (3.22 Å) and four longer (3.28 Å) Zr–Zr bond lengths. In the second Zr site, Zr is bonded to twelve Zr atoms to form ZrZr12 cuboctahedra that share corners with four equivalent ZrZr12 cuboctahedra, corners with eight equivalent ThTh4Zr8 cuboctahedra, edges with eight equivalent ThTh4Zr8 cuboctahedra, edges with sixteen equivalent ZrTh4Zr8 cuboctahedra, faces with two equivalent ThTh4Zr8 cuboctahedra, and faces with sixteen ZrTh4Zr8 cuboctahedra. All Zr–Zr bond lengths are 3.28 Å.
36 MATERIALS SCIENCE↗
Materials Data on ThZr3 by Materials Project
ThZr3 crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. Th is bonded to twelve Zr atoms to form ThZr12 cuboctahedra that share corners with six equivalent ThZr12 cuboctahedra, corners with twelve ZrTh4Zr8 cuboctahedra, edges with eighteen ZrTh4Zr8 cuboctahedra, faces with eight equivalent ThZr12 cuboctahedra, and faces with twelve ZrTh4Zr8 cuboctahedra. There are six shorter (3.33 Å) and six longer (3.38 Å) Th–Zr bond lengths. There are two inequivalent Zr sites. In the first Zr site, Zr is bonded to four equivalent Th and eight Zr atoms to form ZrTh4Zr8 cuboctahedra that share corners with four equivalent ThZr12 cuboctahedra, corners with fourteen equivalent ZrTh4Zr8 cuboctahedra, edges with six equivalent ThZr12 cuboctahedra, edges with twelve ZrTh4Zr8 cuboctahedra, faces with four equivalent ThZr12 cuboctahedra, and faces with sixteen ZrTh4Zr8 cuboctahedra. There are a spread of Zr–Zr bond distances ranging from 3.13–3.52 Å. In the second Zr site, Zr is bonded to four equivalent Th and eight equivalent Zr atoms to form ZrTh4Zr8 cuboctahedra that share corners with four equivalent ThZr12 cuboctahedra, corners with fourteen ZrTh4Zr8 cuboctahedra, edges with six equivalent ThZr12 cuboctahedra, edges with twelve equivalent ZrTh4Zr8 cuboctahedra, faces with four equivalent ThZr12 cuboctahedra, and faces with sixteen ZrTh4Zr8 cuboctahedra.
36 MATERIALS SCIENCE↗