Please use this identifier to cite or link to this item:https://hdl.handle.net/20.500.12259/93259
Type of publication: Straipsnis Clarivate Analytics Web of Science ar/ir Scopus / Article in Clarivate Analytics Web of Science or / and Scopus (S1)
Field of Science: Fizika / Physics (N002)
Author(s): Sereika, Raimundas;Wu, Wei;Park, Changyong;Kenney-Benson, Curtis;Brewe, Dale L;Heald, Steve M;Zhang, Jianbo;Yesudhas, Sorb;Deng, Hongshan;Chen, Bijuan;Luo, Jianlin;Ding, Yang;Mao, Ho-kwang
Title: Prolonged mixed phase induced by high pressure in MnRuP
Is part of: Physical review B (Condensed matter and materials physics). Woodbury : American Institute of Physics, 2018, Vol. 97, iss. 21
Extent: p. 1-6
Date: 2018
Note: Article no. 214103. The angle-dispersive x-ray diffraction measurements were performed at HPCAT (Sector 16-BM-D) and high-pressure x-ray-absorption experiments were performed at XSD (Sector 20-BM-B) of the Advanced Photon Source, a US Department of Energy (DOE) Office of Science user facility operated by Argonne National Laboratory (ANL) under Contract No. DE-AC02-06CH11357. HPCAT operation is supported by DOE-NNSA under Award No. DE-NA0001974, with partial instrumentation funding by NSF. XSD operation is supported by the DOE and the Canadian Light Source. C.P. and C.K.B. acknowledge the support of DOE-BES/DMSE under Award DEFG02-99ER45775. Y.D. and H.-k.M. acknowledges the support from DOE-BES under Award No. DE-FG02-99ER45775 and NSFC Grant No. U1530402. This work is also supported by National Key R&D Program of China 2018YFA0305703 and Science Challenge Project, No TZ2016001
Keywords: Faziniai virsmai;Slėgio efektai;Kristalografija;Rentgeno absorpcija;Rentgeno difrakcija;Phase transitions;Pressure effects;Crystallography;X-ray absorption;X-ray diffraction
Abstract: Hexagonally structured MnRuP was studied under high pressure up to 35 GPa from 5 to 300 K using synchrotron x-ray diffraction. We observed that a partial phase transition from hexagonal to orthorhombic symmetry started at 11 GPa. The new and denser orthorhombic phase coexisted with its parent phase for an unusually long pressure range, ΔP≈50GPa. We attribute this structural transformation to a magnetic origin, where a decisive criterion for the boundary of the mixed phase lies in the different distances between the Mn-Mn atoms. In addition, our theoretical study shows that the orthorhombic phase of MnRuP remains steady even at very high pressures up to ∼250GPa, when it should transform to a new tetragonal phase
Internet: https://journals.aps.org/prb/pdf/10.1103/PhysRevB.97.214103
Affiliation(s): Mokytojų rengimo institutas
Vytauto Didžiojo universitetas
Švietimo akademija
Appears in Collections:Universiteto mokslo publikacijos / University Research Publications

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