{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,29]],"date-time":"2026-09-29T22:12:41Z","timestamp":1790719961398,"version":"4.1.0"},"reference-count":60,"publisher":"American Physical Society (APS)","issue":"13","license":[{"start":{"date-parts":[[2025,9,24]],"date-time":"2025-09-24T00:00:00Z","timestamp":1758672000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100000266","name":"Engineering and Physical Sciences Research Council","doi-asserted-by":"publisher","award":["EP\/R02927X\/1"],"award-info":[{"award-number":["EP\/R02927X\/1"]}],"id":[{"id":"10.13039\/501100000266","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100000266","name":"Engineering and Physical Sciences Research Council","doi-asserted-by":"publisher","award":["EP\/Z533671\/1"],"award-info":[{"award-number":["EP\/Z533671\/1"]}],"id":[{"id":"10.13039\/501100000266","id-type":"DOI","asserted-by":"publisher"}]},{"name":"PETRA III","award":["I-20200606 EC"],"award-info":[{"award-number":["I-20200606 EC"]}]},{"name":"PETRA III","award":["I-20220527"],"award-info":[{"award-number":["I-20220527"]}]}],"content-domain":{"domain":["journals.aps.org"],"crossmark-restriction":true},"short-container-title":["Phys. Rev. Lett."],"accepted":{"date-parts":[[2025,8,22]]},"abstract":"<jats:p>\n                    The lanthanide elements have long been reported as having a common series of structural phase transitions on compression, but recent diffraction studies have revealed  series of transitions: one in the low-Z lanthanides (Nd and Sm) involving an 8-atom orthorhombic structure (\n                    <a:math xmlns:a=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" display=\"inline\">\n                      <a:mi>o<\/a:mi>\n                      <a:mi>F<\/a:mi>\n                      <a:mn>8<\/a:mn>\n                    <\/a:math>\n                    ), also seen in some actinide elements, and another in the high-Z lanthanides (Gd, Tb, Dy, and Ho) involving an isosymmetric 16-atom structure (\n                    <c:math xmlns:c=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" display=\"inline\">\n                      <c:mi>o<\/c:mi>\n                      <c:mi>F<\/c:mi>\n                      <c:mn>16<\/c:mn>\n                    <\/c:math>\n                    ), unique to the lanthanides. No element has yet been found to exhibit both structures. We have followed the structural evolution of Tb to 308\u00a0GPa and find that\n                    <e:math xmlns:e=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" display=\"inline\">\n                      <e:mi>o<\/e:mi>\n                      <e:mi>F<\/e:mi>\n                      <e:mn>16<\/e:mn>\n                    <\/e:math>\n                    -Tb transforms to\n                    <g:math xmlns:g=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" display=\"inline\">\n                      <g:mi>o<\/g:mi>\n                      <g:mi>F<\/g:mi>\n                      <g:mn>8<\/g:mn>\n                    <\/g:math>\n                    -Tb at 234\u00a0GPa, which is stable to at least 308\u00a0GPa. This transition is confirmed by theoretical results which show the\n                    <i:math xmlns:i=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" display=\"inline\">\n                      <i:mi>o<\/i:mi>\n                      <i:mi>F<\/i:mi>\n                      <i:mn>8<\/i:mn>\n                    <\/i:math>\n                    phase becoming energetically favorable above 280\u00a0GPa. This observation of the\n                    <k:math xmlns:k=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" display=\"inline\">\n                      <k:mi>o<\/k:mi>\n                      <k:mi>F<\/k:mi>\n                      <k:mn>16<\/k:mn>\n                      <k:mo stretchy=\"false\">\u2192<\/k:mo>\n                      <k:mi>o<\/k:mi>\n                      <k:mi>F<\/k:mi>\n                      <k:mn>8<\/k:mn>\n                    <\/k:math>\n                    transition unites the two phase-transition sequences and suggests that there is a common\n                    <n:math xmlns:n=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" display=\"inline\">\n                      <n:mi>o<\/n:mi>\n                      <n:mi>F<\/n:mi>\n                      <n:mn>16<\/n:mn>\n                      <n:mo stretchy=\"false\">\u2192<\/n:mo>\n                      <n:mi>o<\/n:mi>\n                      <n:mi>F<\/n:mi>\n                      <n:mn>8<\/n:mn>\n                      <n:mo stretchy=\"false\">\u2192<\/n:mo>\n                      <n:mi>o<\/n:mi>\n                      <n:mi>C<\/n:mi>\n                      <n:mn>4<\/n:mn>\n                      <n:mo stretchy=\"false\">\u2192<\/n:mo>\n                      <n:mi>t<\/n:mi>\n                      <n:mi>I<\/n:mi>\n                      <n:mn>2<\/n:mn>\n                    <\/n:math>\n                    transition sequence in the lanthanide elements under pressure.\n                  <\/jats:p>","DOI":"10.1103\/r3zx-k97x","type":"journal-article","created":{"date-parts":[[2025,8,22]],"date-time":"2025-08-22T15:13:19Z","timestamp":1755875599000},"update-policy":"https:\/\/doi.org\/10.1103\/crossmark-policy","source":"Crossref","is-referenced-by-count":4,"title":["Unified High-Pressure Phase-Transition Sequence in the\n                    <mml:math xmlns:mml=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" display=\"inline\">\n                      <mml:mi>f<\/mml:mi>\n                    <\/mml:math>\n                    -Electron Metals:\n                    <mml:math xmlns:mml=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" display=\"inline\">\n                      <mml:mrow>\n                        <mml:mi>o<\/mml:mi>\n                        <mml:mi>F<\/mml:mi>\n                        <mml:mn>16<\/mml:mn>\n                        <mml:mo stretchy=\"false\">\u2192<\/mml:mo>\n                        <mml:mi>o<\/mml:mi>\n                        <mml:mi>F<\/mml:mi>\n                        <mml:mn>8<\/mml:mn>\n                      <\/mml:mrow>\n                    <\/mml:math>\n                    Transition in Terbium"],"prefix":"10.1103","volume":"135","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-5497-4404","authenticated-orcid":true,"given":"C.\u2009V.","family":"Storm","sequence":"first","affiliation":[{"id":[{"id":"https:\/\/ror.org\/01nrxwf90","id-type":"ROR","asserted-by":"publisher"}],"name":"The University of 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