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| Fältnamn | Indikatorer | Metadata |
|---|---|---|
| 000 | 02738naa a2200409 4500 | |
| 001 | oai:DiVA.org:umu-170823 | |
| 003 | SwePub | |
| 008 | 200525s2020 | |||||||||||000 ||eng| | |
| 024 | 7 | a https://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-1708232 URI |
| 024 | 7 | a https://doi.org/10.1021/jacs.0c017032 DOI |
| 040 | a (SwePub)umu | |
| 041 | a engb eng | |
| 042 | 9 SwePub | |
| 072 | 7 | a ref2 swepub-contenttype |
| 072 | 7 | a art2 swepub-publicationtype |
| 100 | 1 | a Zhang, Ying4 aut |
| 245 | 1 0 | a Negative Volume Compressibility in Sc3N@C-80-Cubane Cocrystal with Charge Transfer |
| 264 | c 2020-04-06 | |
| 264 | 1 | b American Chemical Society (ACS),c 2020 |
| 338 | a print2 rdacarrier | |
| 520 | a According to the laws of thermodynamics, materials normally exhibit contraction or expansion along the directions of the applied pressure or tension. Here, we show that a man-made cocrystal of a metallofullerene and highly energetic cubane, with strained sp(3) bonding, may exhibit an anomalous negative volume compressibility. In this cocrystal, the freely rotating fullerene Sc3N@C-80 acts as a structural building block while static cubane molecules fill the lattice interstitial sites. Under high pressure, Sc3N@C-80 keeps stable and preserves the crystalline framework of the materials, while the cubane undergoes a progressive configurational transformation above 6.5 GPa, probably promoted by charge transfer from fullerene to cubane. A further configurational change of the cubane into a low-density configuration at higher pressure results in an anomalous pressure-driven lattice expansion of the cocrystal (similar to 1.8% volume expansion). Such unusual negative compressibility has previously only been predicted by theory and suggested to appear in mechanical metamaterials. | |
| 650 | 7 | a NATURVETENSKAPx Fysikx Den kondenserade materiens fysik0 (SwePub)103042 hsv//swe |
| 650 | 7 | a NATURAL SCIENCESx Physical Sciencesx Condensed Matter Physics0 (SwePub)103042 hsv//eng |
| 700 | 1 | a Yao, Mingguang4 aut |
| 700 | 1 | a Du, Mingrun4 aut |
| 700 | 1 | a Yao, Zhen4 aut |
| 700 | 1 | a Wang, Yan4 aut |
| 700 | 1 | a Dong, Jiajun4 aut |
| 700 | 1 | a Yang, Zhenxing4 aut |
| 700 | 1 | a Sundqvist, Bertilu Umeå universitet,Institutionen för fysik4 aut0 (Swepub:umu)besu0001 |
| 700 | 1 | a Kovats, Eva4 aut |
| 700 | 1 | a Pekker, Sandor4 aut |
| 700 | 1 | a Liu, Bingbing4 aut |
| 710 | 2 | a Umeå universitetb Institutionen för fysik4 org |
| 773 | 0 | t Journal of the American Chemical Societyd : American Chemical Society (ACS)g 142:16, s. 7584-7590q 142:16<7584-7590x 0002-7863x 1520-5126 |
| 856 | 4 8 | u https://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-170823 |
| 856 | 4 8 | u https://doi.org/10.1021/jacs.0c01703 |
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