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Phys."],"abstract":"<jats:p>\n                    High-pressure IR study reveals an anomalous hydrogen-bond strengthening and suppression of NH\n                    <jats:sub>4<\/jats:sub>\n                    reorientations stabilize NH\n                    <jats:sub>4<\/jats:sub>\n                    ClO\n                    <jats:sub>4<\/jats:sub>\n                    , a dominant oxidizer in solid propellants, above 1 GPa. ClO\n                    <jats:sub>4<\/jats:sub>\n                    reorientations unlock at 4.8 GPa, driving a second transition.\n                  <\/jats:p>","DOI":"10.1039\/d6cp02963a","type":"journal-article","created":{"date-parts":[[2026,9,29]],"date-time":"2026-09-29T06:03:53Z","timestamp":1790661833000},"update-policy":"https:\/\/doi.org\/10.1039\/rsc_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Anomalous hydrogen bond strengthening and molecular reorientations guiding high-pressure phases of ammonium perchlorate"],"prefix":"10.1039","author":[{"given":"Harsha","family":"Kumawat","sequence":"first","affiliation":[{"name":"High Pressure & Synchrotron Radiation Physics Division, Bhabha Atomic Research Centre, Trombay, Mumbai, 400085, India"},{"name":"Homi Bhabha National Institute, Anushaktinagar, Mumbai, 400094, India"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"S. 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