{"id":59,"date":"2020-12-07T16:09:42","date_gmt":"2020-12-07T16:09:42","guid":{"rendered":"https:\/\/www.polimix.fisi.polimi.it\/?page_id=59"},"modified":"2026-02-24T20:25:48","modified_gmt":"2026-02-24T20:25:48","slug":"publications","status":"publish","type":"page","link":"https:\/\/www.polimix.fisi.polimi.it\/?page_id=59","title":{"rendered":"Publications"},"content":{"rendered":"\n

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351 entries<\/span> «<\/a> ‹<\/a> 1 of 8 ›<\/a> »<\/a> <\/div><\/div>

2026<\/h3>
351.<\/div>

Zinouyeva, Maryia; Fracchia, Martina; Maranini, Giulia; Coduri, Mauro; Impelluso, Davide; Brookes, Nicholas B.; Grilli, Lorenzo; Kummer, Kurt; Rosa, Francesco; Aramini, Matteo; Ghiringhelli, Giacomo; Ghigna, Paolo; Sala, Marco Moretti<\/p>

X-ray analysis of \r\n Mg0.2Co0.2Ni0.2Cu0.2Zn0 \r\n .2O: disentangling elemental contributions in a prototypical \r\n high-entropy oxide<\/a> Journal Article<\/span> <\/p>

In: <\/span>JOURNAL OF MATERIALS CHEMISTRY A, <\/span>vol. 14, <\/span>no. 2, <\/span>pp. 1221-1233, <\/span>2026<\/span>, ISSN: 2050-7488<\/span>.<\/p>

Abstract<\/a><\/span> | Links<\/a><\/span> | BibTeX<\/a><\/span><\/p>

@article{WOS:001622155800001,
\r\ntitle = {X-ray analysis of 
\r\n Mg0.2Co0.2Ni0.2Cu0.2Zn0 
\r\n .2O: disentangling elemental contributions in a prototypical 
\r\n high-entropy oxide},
\r\nauthor = {Maryia Zinouyeva and Martina Fracchia and Giulia Maranini and Mauro Coduri and Davide Impelluso and Nicholas B. Brookes and Lorenzo Grilli and Kurt Kummer and Francesco Rosa and Matteo Aramini and Giacomo Ghiringhelli and Paolo Ghigna and Marco Moretti Sala},
\r\ndoi = {10.1039\/d5ta05324b},
\r\nissn = {2050-7488},
\r\nyear  = {2026},
\r\ndate = {2026-01-01},
\r\njournal = {JOURNAL OF MATERIALS CHEMISTRY A},
\r\nvolume = {14},
\r\nnumber = {2},
\r\npages = {1221-1233},
\r\npublisher = {ROYAL SOC CHEMISTRY},
\r\naddress = {THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS, 
\r\n ENGLAND},
\r\nabstract = {We employ several X-ray based techniques, including X-ray diffraction, 
\r\n X-ray absorption spectroscopy and resonant inelastic X-ray scattering, 
\r\n to disentangle the contributions of individual chemical species to the 
\r\n structural, electronic and magnetic properties of high-entropy oxides. 
\r\n In the benchmark compound Mg0.2Co0.2Ni0.2Cu0.2Zn0.2O and related 
\r\n systems, we unambiguously resolve a sizable Jahn-Teller distortion at 
\r\n the Cu sites, more pronounced in the absence of Ni2+ and Mg2+, 
\r\n suggesting that these ions promote positional order, whereas Cu2+ ions 
\r\n act to destabilize it. Moreover, we detect magnetic excitations and 
\r\n estimate the strength of the interactions between pairs of different 
\r\n magnetic elements. Our results provide valuable insights into the role 
\r\n of various chemical species in shaping the physical properties of 
\r\n high-entropy oxides.},
\r\nkeywords = {},
\r\npubstate = {published},
\r\ntppubtype = {article}
\r\n}
\r\n<\/pre><\/div>
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We employ several X-ray based techniques, including X-ray diffraction, 
\r\n X-ray absorption spectroscopy and resonant inelastic X-ray scattering, 
\r\n to disentangle the contributions of individual chemical species to the 
\r\n structural, electronic and magnetic properties of high-entropy oxides. 
\r\n In the benchmark compound Mg0.2Co0.2Ni0.2Cu0.2Zn0.2O and related 
\r\n systems, we unambiguously resolve a sizable Jahn-Teller distortion at 
\r\n the Cu sites, more pronounced in the absence of Ni2+ and Mg2+, 
\r\n suggesting that these ions promote positional order, whereas Cu2+ ions 
\r\n act to destabilize it. Moreover, we detect magnetic excitations and 
\r\n estimate the strength of the interactions between pairs of different 
\r\n magnetic elements. Our results provide valuable insights into the role 
\r\n of various chemical species in shaping the physical properties of 
\r\n high-entropy oxides.<\/div>
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