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post-165879 post type-post status-publish format-standard has-post-thumbnail hentry category-faits-marquants moderation-_importation_phocea_ moderation-_ast_ unite-iramis unite-llb unite-nfmq unite-cimap"> <article class="wp-block-group alignwide has-base-background-color has-background has-global-padding is-layout-constrained wp-block-group-is-layout-constrained"> <div class="wp-block-columns alignwide is-layout-flex wp-container-core-columns-is-layout-1 wp-block-columns-is-layout-flex"> <div class="wp-block-column is-vertically-aligned-top QL_Visuel is-layout-flow wp-block-column-is-layout-flow" style="flex-basis:52%"> <div class="wp-block-group is-style-relative is-vertical is-layout-flex wp-container-core-group-is-layout-20 wp-block-group-is-layout-flex"> <figure class="aligncenter is-style-pleine-largeur wp-block-post-featured-image"><a href="https://iramis.cea.fr/llb/nfmq/2025/01/mise-en-evidence-de-la-phase-liquide-de-spin-dans-tb2ti2o7/" target="_self"><img loading="lazy" decoding="async" width="712" height="701" src="https://iramis.cea.fr/wp-content/uploads/2025/01/Structure-Pytochlore-Icone.jpg" class="attachment-large size-large wp-post-image" alt="Mise en évidence de la phase liquide de spin dans Tb2Ti2O7" style="object-fit:cover;" srcset="https://iramis.cea.fr/wp-content/uploads/2025/01/Structure-Pytochlore-Icone.jpg 712w, https://iramis.cea.fr/wp-content/uploads/2025/01/Structure-Pytochlore-Icone-300x295.jpg 300w" sizes="auto, (max-width: 712px) 100vw, 712px"></a></figure> <div class="taxonomy-category is-style-etiquette wp-block-post-terms"><a href="https://iramis.cea.fr/llb/nfmq/news/faits-marquants/" rel="tag">Faits marquants</a></div> </div> </div> <div class="wp-block-column is-layout-flow wp-block-column-is-layout-flow"> <div class="wp-block-group is-style-avec_bloc_en_bas is-layout-flow wp-block-group-is-layout-flow" style="padding-top:var(--wp--preset--spacing--30);padding-right:var(--wp--preset--spacing--30);padding-bottom:var(--wp--preset--spacing--30);padding-left:var(--wp--preset--spacing--30)"> <h2 class="wp-block-post-title"><a href="https://iramis.cea.fr/llb/nfmq/2025/01/mise-en-evidence-de-la-phase-liquide-de-spin-dans-tb2ti2o7/" target="_self">Mise en évidence de la phase liquide de spin dans Tb2Ti2O7</a></h2> <div style="line-height:1.3;" class="wp-block-post-excerpt"><p class="wp-block-post-excerpt__excerpt">Un « liquide de spin » désigne une phase magnétique au sein d’un cristal, où les spins électroniques restent désordonnés à toute température, tout en présentant de fortes corrélations. L’étude de cette phase quantique suscite un intense effort de recherche depuis une dizaine d’années, essentiellement motivé par l’étude de l’intrication quantique à grande échelle : c’est en… </p></div> <div class="wp-block-group is-style-bloc_en_bas_a_droite has-global-padding is-layout-constrained wp-block-group-is-layout-constrained"><a class="is-style-puce wp-block-read-more" href="https://iramis.cea.fr/llb/nfmq/2025/01/mise-en-evidence-de-la-phase-liquide-de-spin-dans-tb2ti2o7/" target="_self">Lire la suite<span class="screen-reader-text"> : Mise en évidence de la phase liquide de spin dans Tb2Ti2O7</span></a></div> </div> </div> </div> </article> </li></ul> </div> <div class="wp-block-query CEA_Actu_a_la_Une_Suite is-layout-flow wp-block-query-is-layout-flow"> <ul class="columns-3 QL_Bloc wp-block-post-template is-layout-grid wp-container-core-post-template-is-layout-2 wp-block-post-template-is-layout-grid"> <li class="wp-block-post post-164259 post type-post status-publish format-standard has-post-thumbnail hentry category-faits-marquants unite-llb unite-nfmq technique-rayons-x"> <article class="wp-block-group alignwide is-style-avec_bloc_en_bas has-base-background-color has-background has-global-padding is-layout-constrained wp-block-group-is-layout-constrained"> <div class="wp-block-group is-style-relative is-vertical is-layout-flex wp-container-core-group-is-layout-24 wp-block-group-is-layout-flex"> <figure class="aligncenter is-style-rapport-16-10 wp-block-post-featured-image"><a href="https://iramis.cea.fr/llb/nfmq/2025/01/identification-by-inelastic-x-ray-scattering-of-bulk-alteration-of-solid-dynamics-due-to-liquid-wetting-3/" target="_self"><img loading="lazy" decoding="async" width="300" height="143" src="https://iramis.cea.fr/wp-content/uploads/2025/01/Max-Ins-300x143.jpg" class="attachment-medium size-medium wp-post-image" alt="Identification par diffusion inélastique des rayons X de l’altération globale de la dynamique des solides due au mouillage par un liquide" style="object-fit:cover;" srcset="https://iramis.cea.fr/wp-content/uploads/2025/01/Max-Ins-300x143.jpg 300w, https://iramis.cea.fr/wp-content/uploads/2025/01/Max-Ins.jpg 769w" sizes="auto, (max-width: 300px) 100vw, 300px"></a></figure> <div class="taxonomy-category is-style-etiquette wp-block-post-terms"><a href="https://iramis.cea.fr/llb/nfmq/news/faits-marquants/" rel="tag">Faits marquants</a></div> </div> <div class="wp-block-group QL_Bloc_Defaut_Contenu is-layout-flow wp-block-group-is-layout-flow" style="padding-top:var(--wp--preset--spacing--30);padding-right:var(--wp--preset--spacing--30);padding-bottom:var(--wp--preset--spacing--30);padding-left:var(--wp--preset--spacing--30)"> <h2 class="wp-block-post-title"><a href="https://iramis.cea.fr/llb/nfmq/2025/01/identification-by-inelastic-x-ray-scattering-of-bulk-alteration-of-solid-dynamics-due-to-liquid-wetting-3/" target="_self">Identification par diffusion inélastique des rayons X de l’altération globale de la dynamique des solides due au mouillage par un liquide</a></h2> <div class="wp-block-group is-style-bloc_en_bas_a_droite has-global-padding is-layout-constrained wp-block-group-is-layout-constrained"><a class="is-style-puce wp-block-read-more" href="https://iramis.cea.fr/llb/nfmq/2025/01/identification-by-inelastic-x-ray-scattering-of-bulk-alteration-of-solid-dynamics-due-to-liquid-wetting-3/" target="_self">Lire la suite<span class="screen-reader-text"> : Identification par diffusion inélastique des rayons X de l’altération globale de la dynamique des solides due au mouillage par un liquide</span></a></div> </div> </article> </li> <li class="wp-block-post post-159849 post type-post status-publish format-standard has-post-thumbnail hentry category-faits-marquants unite-llb unite-nfmq technique-neutrons"> <article class="wp-block-group alignwide is-style-avec_bloc_en_bas has-base-background-color has-background has-global-padding is-layout-constrained wp-block-group-is-layout-constrained"> <div class="wp-block-group is-style-relative is-vertical is-layout-flex wp-container-core-group-is-layout-28 wp-block-group-is-layout-flex"> <figure class="aligncenter is-style-rapport-16-10 wp-block-post-featured-image"><a href="https://iramis.cea.fr/llb/nfmq/2024/10/magnetic-interactions-in-the-cooperative-paramagnet-tb2%e2%81%a2ti2%e2%81%a2o7/" target="_self"><img loading="lazy" decoding="async" width="300" height="115" src="https://iramis.cea.fr/wp-content/uploads/2024/10/Irs-300x115.jpg" class="attachment-medium size-medium wp-post-image" alt="Interactions magnétiques dans le composé paramagnétique coopératif Tb2Ti2O7" style="object-fit:cover;" srcset="https://iramis.cea.fr/wp-content/uploads/2024/10/Irs-300x115.jpg 300w, https://iramis.cea.fr/wp-content/uploads/2024/10/Irs.jpg 309w" sizes="auto, (max-width: 300px) 100vw, 300px"></a></figure> <div class="taxonomy-category is-style-etiquette wp-block-post-terms"><a href="https://iramis.cea.fr/llb/nfmq/news/faits-marquants/" rel="tag">Faits marquants</a></div> </div> <div class="wp-block-group QL_Bloc_Defaut_Contenu is-layout-flow wp-block-group-is-layout-flow" style="padding-top:var(--wp--preset--spacing--30);padding-right:var(--wp--preset--spacing--30);padding-bottom:var(--wp--preset--spacing--30);padding-left:var(--wp--preset--spacing--30)"> <h2 class="wp-block-post-title"><a href="https://iramis.cea.fr/llb/nfmq/2024/10/magnetic-interactions-in-the-cooperative-paramagnet-tb2%e2%81%a2ti2%e2%81%a2o7/" target="_self">Interactions magnétiques dans le composé paramagnétique coopératif Tb2Ti2O7</a></h2> <div class="wp-block-group is-style-bloc_en_bas_a_droite has-global-padding is-layout-constrained wp-block-group-is-layout-constrained"><a class="is-style-puce wp-block-read-more" href="https://iramis.cea.fr/llb/nfmq/2024/10/magnetic-interactions-in-the-cooperative-paramagnet-tb2%e2%81%a2ti2%e2%81%a2o7/" target="_self">Lire la suite<span class="screen-reader-text"> : Interactions magnétiques dans le composé paramagnétique coopératif Tb2Ti2O7</span></a></div> </div> </article> </li> <li class="wp-block-post post-150270 post type-post status-publish format-standard has-post-thumbnail hentry category-faits-marquants moderation-public moderation-_importation_phocea_ moderation-_ast_ moderation-_multilangues_ moderation-_a_traduire_ unite-llb unite-nfmq thematique-physics-chemistry-nanoscience-and-materials-around-large-instruments-fr thematique-materials-for-new-energy-technologies-fr thematique-materiaux-des-nouvelles-technologies-pour-l-energie technique-neutrons"> <article class="wp-block-group alignwide is-style-avec_bloc_en_bas has-base-background-color has-background has-global-padding is-layout-constrained wp-block-group-is-layout-constrained"> <div class="wp-block-group is-style-relative is-vertical is-layout-flex wp-container-core-group-is-layout-32 wp-block-group-is-layout-flex"> <figure class="aligncenter 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style="padding-top:var(--wp--preset--spacing--30);padding-right:var(--wp--preset--spacing--30);padding-bottom:var(--wp--preset--spacing--30);padding-left:var(--wp--preset--spacing--30)"> <h2 class="wp-block-post-title"><a href="https://iramis.cea.fr/llb/nfmq/2024/07/impact-of-disorder-in-nd-based-pyrochlore-magnets-2/" target="_self">Impact du désordre dans les aimants pyrochlore à base de Nd</a></h2> <div class="wp-block-group is-style-bloc_en_bas_a_droite has-global-padding is-layout-constrained wp-block-group-is-layout-constrained"><a class="is-style-puce wp-block-read-more" href="https://iramis.cea.fr/llb/nfmq/2024/07/impact-of-disorder-in-nd-based-pyrochlore-magnets-2/" target="_self">Lire la suite<span class="screen-reader-text"> : Impact du désordre dans les aimants pyrochlore à base de Nd</span></a></div> </div> </article> </li> </ul> </div> </div> </div> </div> <div class="wp-block-columns alignwide CEA_Colonnes_Info_Card_A is-layout-flex wp-container-core-columns-is-layout-3 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style="border-left-color:var(--wp--preset--color--gris);border-left-width:1px;padding-top:0;padding-right:var(--wp--preset--spacing--30);padding-bottom:0;padding-left:var(--wp--preset--spacing--30)"> <p class="has-poppins-font-family has-small-font-size">Laboratoire Léon Brillouin<br><strong>LLB – UMR 12 CEA-CNRS</strong></p> <p class="has-poppins-font-family has-small-font-size">Bât 563 Site de Saclay<br>Centre CEA Paris-Saclay<br>91191 Gif-sur-Yvette</p> <p class="has-poppins-font-family has-small-font-size">Tél. : +33 (0)1 69 08 52 41 – llb-sec@cea.fr</p> <div class="wp-block-template-part"> <p class="has-small-font-size"><a href="https://iramis.cea.fr/mentions-legales/">Mentions légales</a> – <a href="https://iramis.cea.fr/rgpd" data-type="page" data-id="149784">RGPD</a></p> </div> </div> <div class="wp-block-group has-global-padding is-layout-constrained wp-container-core-group-is-layout-44 wp-block-group-is-layout-constrained" 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