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Pt(P) is fabricated by ion-implantation technique using energies from 10 to 30\u2009keV with doses ranging from 2.5\u2009\u00d7\u200910\n                    <jats:sup>16<\/jats:sup>\n                    to 10\u2009\u00d7\u200910\n                    <jats:sup>16<\/jats:sup>\n                    \u2009ions\/cm\n                    <jats:sup>2<\/jats:sup>\n                    . The P-ion implantation process causes distortion and defects in the\n                    <jats:italic>fcc<\/jats:italic>\n                    structure of the as-deposited Pt layer and changes it to an amorphous structure as the accelerating energy as well as the dose increases, leading to a decrease in the electrical conductivity. However, we can obtain a higher spin Hall conductivity,\n                    <jats:inline-formula>\n                      <jats:alternatives>\n                        <jats:tex-math>$${\\sigma }_{{\\rm{xy}}}^{{\\rm{SH}}}$$<\/jats:tex-math>\n                        <mml:math xmlns:mml=\"http:\/\/www.w3.org\/1998\/Math\/MathML\">\n                          <mml:msubsup>\n                            <mml:mrow>\n                              <mml:mi>\u03c3<\/mml:mi>\n                            <\/mml:mrow>\n                            <mml:mrow>\n                              <mml:mi>xy<\/mml:mi>\n                            <\/mml:mrow>\n                            <mml:mrow>\n                              <mml:mi>SH<\/mml:mi>\n                            <\/mml:mrow>\n                          <\/mml:msubsup>\n                        <\/mml:math>\n                      <\/jats:alternatives>\n                    <\/jats:inline-formula>\n                    of\n                    <jats:inline-formula>\n                      <jats:alternatives>\n                        <jats:tex-math>$$3.62\\times {10}^{3}\\frac{\\hslash }{2e}{\\Omega }^{-1}{\\mathrm{cm}}^{-1}$$<\/jats:tex-math>\n                        <mml:math xmlns:mml=\"http:\/\/www.w3.org\/1998\/Math\/MathML\">\n                          <mml:mrow>\n                            <mml:mn>3.62<\/mml:mn>\n                            <mml:mo>\u00d7<\/mml:mo>\n                            <mml:msup>\n                              <mml:mrow>\n                                <mml:mn>10<\/mml:mn>\n                              <\/mml:mrow>\n                              <mml:mn>3<\/mml:mn>\n                            <\/mml:msup>\n                            <mml:mfrac>\n                              <mml:mrow>\n                                <mml:mi>\u210f<\/mml:mi>\n                              <\/mml:mrow>\n                              <mml:mrow>\n                                <mml:mn>2<\/mml:mn>\n                                <mml:mi>e<\/mml:mi>\n                              <\/mml:mrow>\n                            <\/mml:mfrac>\n                            <mml:msup>\n                              <mml:mrow>\n                                <mml:mi>\u03a9<\/mml:mi>\n                              <\/mml:mrow>\n                              <mml:mrow>\n                                <mml:mo>\u2212<\/mml:mo>\n                                <mml:mn>1<\/mml:mn>\n                              <\/mml:mrow>\n                            <\/mml:msup>\n                            <mml:msup>\n                              <mml:mrow>\n                                <mml:mi>cm<\/mml:mi>\n                              <\/mml:mrow>\n                              <mml:mrow>\n                                <mml:mo>\u2212<\/mml:mo>\n                                <mml:mn>1<\/mml:mn>\n                              <\/mml:mrow>\n                            <\/mml:msup>\n                          <\/mml:mrow>\n                        <\/mml:math>\n                      <\/jats:alternatives>\n                    <\/jats:inline-formula>\n                    for Pt(P) as compared to that of\n                    <jats:inline-formula>\n                      <jats:alternatives>\n                        <jats:tex-math>$$1.03\\times {10}^{3}\\frac{\\hslash }{2e}{\\Omega }^{-1}{\\mathrm{cm}}^{-1}$$<\/jats:tex-math>\n                        <mml:math xmlns:mml=\"http:\/\/www.w3.org\/1998\/Math\/MathML\">\n                          <mml:mrow>\n                            <mml:mn>1.03<\/mml:mn>\n                            <mml:mo>\u00d7<\/mml:mo>\n                            <mml:msup>\n                              <mml:mrow>\n                                <mml:mn>10<\/mml:mn>\n                              <\/mml:mrow>\n                              <mml:mn>3<\/mml:mn>\n                            <\/mml:msup>\n                            <mml:mfrac>\n                              <mml:mrow>\n                                <mml:mi>\u210f<\/mml:mi>\n                              <\/mml:mrow>\n                              <mml:mrow>\n                                <mml:mn>2<\/mml:mn>\n                                <mml:mi>e<\/mml:mi>\n                              <\/mml:mrow>\n                            <\/mml:mfrac>\n                            <mml:msup>\n                              <mml:mrow>\n                                <mml:mi>\u03a9<\/mml:mi>\n                              <\/mml:mrow>\n                              <mml:mrow>\n                                <mml:mo>\u2212<\/mml:mo>\n                                <mml:mn>1<\/mml:mn>\n                              <\/mml:mrow>\n                            <\/mml:msup>\n                            <mml:msup>\n                              <mml:mrow>\n                                <mml:mi>cm<\/mml:mi>\n                              <\/mml:mrow>\n                              <mml:mrow>\n                                <mml:mo>\u2212<\/mml:mo>\n                                <mml:mn>1<\/mml:mn>\n                              <\/mml:mrow>\n                            <\/mml:msup>\n                          <\/mml:mrow>\n                        <\/mml:math>\n                      <\/jats:alternatives>\n                    <\/jats:inline-formula>\n                    for pure Pt. The spin Hall efficiency,\n                    <jats:inline-formula>\n                      <jats:alternatives>\n                        <jats:tex-math>$${\\theta }_{{\\rm{SH}}}$$<\/jats:tex-math>\n                        <mml:math xmlns:mml=\"http:\/\/www.w3.org\/1998\/Math\/MathML\">\n                          <mml:msub>\n                            <mml:mrow>\n                              <mml:mi>\u03b8<\/mml:mi>\n                            <\/mml:mrow>\n                            <mml:mrow>\n                              <mml:mi>SH<\/mml:mi>\n                            <\/mml:mrow>\n                          <\/mml:msub>\n                        <\/mml:math>\n                      <\/jats:alternatives>\n                    <\/jats:inline-formula>\n                    is drastically increased up to 1.17 for Pt(P) with 30\u2009keV energy and dose of 7.5\u2009\u00d7\u200910\n                    <jats:sup>16<\/jats:sup>\n                    \u2009ions\/cm\n                    <jats:sup>2<\/jats:sup>\n                    . We also observe a significant reduction in the critical switching current density,\n                    <jats:inline-formula>\n                      <jats:alternatives>\n                        <jats:tex-math>$${J}_{{\\rm{sw}}}$$<\/jats:tex-math>\n                        <mml:math xmlns:mml=\"http:\/\/www.w3.org\/1998\/Math\/MathML\">\n                          <mml:msub>\n                            <mml:mrow>\n                              <mml:mi>J<\/mml:mi>\n                            <\/mml:mrow>\n                            <mml:mrow>\n                              <mml:mi>sw<\/mml:mi>\n                            <\/mml:mrow>\n                          <\/mml:msub>\n                        <\/mml:math>\n                      <\/jats:alternatives>\n                    <\/jats:inline-formula>\n                    of the SOT magnetization switching from 1.5\u2009\u00d7\u200910\n                    <jats:sup>11<\/jats:sup>\n                    \u2009A\/m\n                    <jats:sup>2<\/jats:sup>\n                    for pure Pt to 3.0\u2009\u00d7\u200910\n                    <jats:sup>10<\/jats:sup>\n                    \u2009A\/m\n                    <jats:sup>2<\/jats:sup>\n                    for Pt(P). Such a giant SHE can reduce the power consumption to control the magnetization by using SOT, and therefore our findings may provide an alternate path to enhance\n                    <jats:inline-formula>\n                      <jats:alternatives>\n                        <jats:tex-math>$${\\theta }_{{\\rm{SH}}}$$<\/jats:tex-math>\n                        <mml:math xmlns:mml=\"http:\/\/www.w3.org\/1998\/Math\/MathML\">\n                          <mml:msub>\n                            <mml:mrow>\n                              <mml:mi>\u03b8<\/mml:mi>\n                            <\/mml:mrow>\n                            <mml:mrow>\n                              <mml:mi>SH<\/mml:mi>\n                            <\/mml:mrow>\n                          <\/mml:msub>\n                        <\/mml:math>\n                      <\/jats:alternatives>\n                    <\/jats:inline-formula>\n                    by using amorphous materials with a variety of elements, beyond crystalline solids.\n                  <\/jats:p>","DOI":"10.1038\/s41427-025-00596-6","type":"journal-article","created":{"date-parts":[[2025,4,10]],"date-time":"2025-04-10T20:02:16Z","timestamp":1744315336000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":11,"title":["Giant spin-orbit torque induced by spin Hall effect in amorphous Pt(P) alloys"],"prefix":"10.1038","volume":"17","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-9032-1841","authenticated-orcid":false,"given":"Utkarsh","family":"Shashank","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Takafumi","family":"Tomoda","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0894-5140","authenticated-orcid":false,"given":"Arun Jacob","family":"Mathew","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Garima","family":"Vashisht","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Koki","family":"Imai","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yu","family":"Kusaba","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4289-4677","authenticated-orcid":false,"given":"Chung-Li","family":"Dong","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Chi-Liang","family":"Chen","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yoichi","family":"Horibe","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3461-6295","authenticated-orcid":false,"given":"Manabu","family":"Ishimaru","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hiroyuki","family":"Awano","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8065-6231","authenticated-orcid":false,"given":"Hironori","family":"Asada","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1280-1644","authenticated-orcid":false,"given":"Yasuhiro","family":"Fukuma","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2025,4,11]]},"reference":[{"key":"596_CR1","doi-asserted-by":"publisher","first-page":"1834","DOI":"10.1103\/PhysRevLett.83.1834","volume":"83","author":"JE Hirsch","year":"1999","unstructured":"Hirsch, J. 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