{"article":{"annotation":{"article_id":"ferroelectric-domain-wall-screening-charge-dynamics-theory-2026","available_at":"2026-10-13T00:52:02.753137Z","geography_revision":"ef6ee0010dda5fe7b240fd514749b43e214c57da73222d2e40ec83b276dd0977","id":"adbb00bb35a51eeb64049e8b388ecb532b302917b4492d5c3f4e26f04d8941ef","input_sha256":"9845ef23a15db84a902a8cf2d99229424727d647ac4e03b523abcba28ee2a1a2","limitations":["Rule-derived subjects are candidates, not verified editorial labels or calibrated model probabilities.","Coverage is distinct from event location. 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Le modèle compare les échanges locaux avec l’environnement, le transport latéral de surface et la redistribution à charge totale conservée, ainsi que des géométries à surface exposée ou sous électrode.","Le cadre montre que, lorsque la charge est strictement conservée et qu’aucun courant n’arrive de loin, une paroi isolée ne peut transporter durablement son profil d’écrantage; un déplacement transitoire ou un arrêt dans un échantillon fini restent possibles. Les exemples BaTiO₃ et BiFeO₃ relient la théorie à la thermodynamique des matériaux. Il s’agit d’un travail analytique et informatique, sans nouveau résultat expérimental sur un dispositif."],"sections":[]},"corrections":[],"country":"US","data":{"blocks":[{"columns":[{"key":"quantity","label":{"ar":"الكمية المبلغ عنها","de":"Berichtete Menge","en":"Reported quantity","es":"Cantidad comunicada","fr":"Quantité rapportée","pt":"Quantidade relatada","tr":"Ölçülen veya modellenen miktar"},"language":"en","type":"text"},{"key":"value","label":{"ar":"القيمة","de":"Wert","en":"Value","es":"Valor","fr":"Valeur","pt":"Valor","tr":"Değer"},"type":"number","unit":"count"},{"key":"study_scope","label":{"ar":"نطاق الدراسة المحدد","de":"Studienspezifischer Umfang","en":"Study-specific scope","es":"Alcance específico del estudio","fr":"Périmètre propre à l’étude","pt":"Âmbito específico do estudo","tr":"Çalışmaya özgü kapsam"},"language":"en","type":"text"}],"description":{"ar":"مادتان استُخدمتا مثالين ضمن إطار الدراسة لشحنة الحجب وحركة الجدار الكهربائي الحديدي.","de":"Zwei Materialien als Beispiele im Rahmen der Studie zu Abschirmladung und ferroelektrischer Wandbewegung.","en":"Two materials used as examples within the study’s framework for screening charge and ferroelectric wall motion.","es":"Dos materiales utilizados como ejemplos en el marco del estudio sobre carga de apantallamiento y paredes ferroeléctricas.","fr":"Deux matériaux utilisés comme exemples dans le cadre de l’étude sur les charges d’écrantage et les parois ferroélectriques.","pt":"Dois materiais usados como exemplos no enquadramento do estudo sobre carga de blindagem e movimento de paredes ferroelétricas.","tr":"Çalışmanın ekranlama yükü ile ferroelektrik duvar hareketi çerçevesinde örnek olarak ele aldığı iki malzeme."},"id":"study-result","methodology":{"ar":"تربط الورقة السياق الترموديناميكي الخاص بـBaTiO₃ وBiFeO₃ بإطارها النظري العام. وهذا ليس عدد عينات مقاسة ولا اختبار أداء مقارناً.","de":"Der Beitrag ordnet den materialspezifischen thermodynamischen Kontext von BaTiO₃ und BiFeO₃ in seinen allgemeinen theoretischen Rahmen ein. Dies ist weder eine Zahl gemessener Proben noch ein vergleichender Leistungstest.","en":"The paper connects material-specific thermodynamic context for BaTiO₃ and BiFeO₃ to its general theoretical framework. This is not a count of measured samples or a comparative performance test.","es":"El artículo vincula el contexto termodinámico específico de BaTiO₃ y BiFeO₃ con su marco teórico general. No es un recuento de muestras medidas ni una prueba comparativa de rendimiento.","fr":"L’article relie le contexte thermodynamique propre au BaTiO₃ et au BiFeO₃ à son cadre théorique général. Il ne s’agit ni d’un nombre d’échantillons mesurés ni d’un essai comparatif de performance.","pt":"O artigo relaciona o contexto termodinâmico específico de BaTiO₃ e BiFeO₃ com o seu enquadramento teórico geral. Não é uma contagem de amostras medidas nem um teste comparativo de desempenho.","tr":"Makale, BaTiO₃ ve BiFeO₃ için malzemeye özgü termodinamik bağlamları genel teorik çerçeveye örnek olarak bağlıyor. Bu ölçülmüş örnek sayısı ya da karşılaştırmalı performans testi değildir."},"rowTranslations":[{"quantity":{"ar":"مواد كهربائية حديدية استُخدمت أمثلة ترموديناميكية","de":"Als thermodynamische Beispiele genannte ferroelektrische Materialien","en":"Ferroelectric materials used as thermodynamic examples","es":"Materiales ferroeléctricos utilizados como ejemplos termodinámicos","fr":"Matériaux ferroélectriques donnés en exemples thermodynamiques","pt":"Materiais ferroelétricos apresentados como exemplos termodinâmicos","tr":"Termodinamik örnekleri verilen ferroelektrik malzemeler"},"study_scope":{"ar":"مادتان استُخدمتا مثالين ضمن إطار الدراسة لشحنة الحجب وحركة الجدار الكهربائي الحديدي.","de":"Zwei Materialien als Beispiele im Rahmen der Studie zu Abschirmladung und ferroelektrischer Wandbewegung.","en":"Two materials used as examples within the study’s framework for screening charge and ferroelectric wall motion.","es":"Dos materiales utilizados como ejemplos en el marco del estudio sobre carga de apantallamiento y paredes ferroeléctricas.","fr":"Deux matériaux utilisés comme exemples dans le cadre de l’étude sur les charges d’écrantage et les parois ferroélectriques.","pt":"Dois materiais usados como exemplos no enquadramento do estudo sobre carga de blindagem e movimento de paredes ferroelétricas.","tr":"Çalışmanın ekranlama yükü ile ferroelektrik duvar hareketi çerçevesinde örnek olarak ele aldığı iki malzeme."}}],"rows":[{"quantity":"Ferroelectric materials used as thermodynamic examples","study_scope":"Two materials used as examples within the study’s framework for screening charge and ferroelectric wall motion.","value":2}],"sourceUrls":["https://arxiv.org/abs/2610.13619"],"title":{"ar":"نتيجة الدراسة المعلنة","de":"Berichtetes Studienergebnis","en":"Reported study result","es":"Resultado comunicado por el estudio","fr":"Résultat rapporté de l’étude","pt":"Resultado relatado pelo estudo","tr":"Bildirilen çalışma sonucu"},"type":"table","updatedAt":"2026-10-13T00:30:25Z"}],"version":1},"data_downloads":[{"formats":{"csv":"https://newsverum.com/api/v1/articles/ferroelectric-domain-wall-screening-charge-dynamics-theory-2026/data/study-result?lang=fr&format=csv","json":"https://newsverum.com/api/v1/articles/ferroelectric-domain-wall-screening-charge-dynamics-theory-2026/data/study-result?lang=fr&format=json"},"id":"study-result"}],"data_types":["table"],"editorial_illustration":null,"event_id":"event-f152ad62-104a-51ae-990e-5205733d8f61","event_period":"2026-10-09","event_period_basis":"event-or-reference-period","id":"ferroelectric-domain-wall-screening-charge-dynamics-theory-2026","image":null,"importance":0.6,"language":"fr","modified_at":"2026-10-13T00:51:40+00:00","publication_basis":"publication-record","published_at":"2026-10-13T00:51:40+00:00","reading_minutes":1,"region":"world","section_illustration":null,"slug":"ferroelectric-domain-wall-screening-charge-dynamics-theory-2026","sources":[{"checkedAt":"2026-10-13","name":"arXiv","publishedAt":"2026-10-09","url":"https://arxiv.org/abs/2610.13619"}],"summary":"Un chercheur en science des matériaux de l’Université du Tennessee a présenté un cadre théorique reliant le mouvement des parois ferroélectriques aux variations des charges d’écrantage de surface. L’étude analyse l’effet de différentes conditions aux limites de conservation et de transport des charges sur le mouvement et la stabilité des parois.","text":"Un chercheur en science des matériaux de l’Université du Tennessee a présenté un cadre théorique reliant le mouvement des parois ferroélectriques aux variations des charges d’écrantage de surface. L’étude analyse l’effet de différentes conditions aux limites de conservation et de transport des charges sur le mouvement et la stabilité des parois.\n\nDans un préprint sur arXiv, Sergei Kalinin, de l’Université du Tennessee, estime qu’il faut considérer ensemble la polarisation et les charges qui la compensent aux surfaces ferroélectriques. Le modèle compare les échanges locaux avec l’environnement, le transport latéral de surface et la redistribution à charge totale conservée, ainsi que des géométries à surface exposée ou sous électrode.\n\nLe cadre montre que, lorsque la charge est strictement conservée et qu’aucun courant n’arrive de loin, une paroi isolée ne peut transporter durablement son profil d’écrantage; un déplacement transitoire ou un arrêt dans un échantillon fini restent possibles. Les exemples BaTiO₃ et BiFeO₃ relient la théorie à la thermodynamique des matériaux. Il s’agit d’un travail analytique et informatique, sans nouveau résultat expérimental sur un dispositif.","title":"Une théorie décrit comment les charges d’écrantage contraignent les parois ferroélectriques","topics":[],"translations":[{"api_url":"https://newsverum.com/api/v1/articles/ferroelectric-domain-wall-screening-charge-dynamics-theory-2026?lang=tr","language":"tr","url":"https://newsverum.com/tr/news/ferroelectric-domain-wall-screening-charge-dynamics-theory-2026"},{"api_url":"https://newsverum.com/api/v1/articles/ferroelectric-domain-wall-screening-charge-dynamics-theory-2026?lang=en","language":"en","url":"https://newsverum.com/en/news/ferroelectric-domain-wall-screening-charge-dynamics-theory-2026"},{"api_url":"https://newsverum.com/api/v1/articles/ferroelectric-domain-wall-screening-charge-dynamics-theory-2026?lang=ar","language":"ar","url":"https://newsverum.com/ar/news/ferroelectric-domain-wall-screening-charge-dynamics-theory-2026"},{"api_url":"https://newsverum.com/api/v1/articles/ferroelectric-domain-wall-screening-charge-dynamics-theory-2026?lang=fr","language":"fr","url":"https://newsverum.com/fr/news/ferroelectric-domain-wall-screening-charge-dynamics-theory-2026"},{"api_url":"https://newsverum.com/api/v1/articles/ferroelectric-domain-wall-screening-charge-dynamics-theory-2026?lang=es","language":"es","url":"https://newsverum.com/es/news/ferroelectric-domain-wall-screening-charge-dynamics-theory-2026"},{"api_url":"https://newsverum.com/api/v1/articles/ferroelectric-domain-wall-screening-charge-dynamics-theory-2026?lang=de","language":"de","url":"https://newsverum.com/de/news/ferroelectric-domain-wall-screening-charge-dynamics-theory-2026"},{"api_url":"https://newsverum.com/api/v1/articles/ferroelectric-domain-wall-screening-charge-dynamics-theory-2026?lang=pt","language":"pt","url":"https://newsverum.com/pt/news/ferroelectric-domain-wall-screening-charge-dynamics-theory-2026"}],"url":"https://newsverum.com/fr/news/ferroelectric-domain-wall-screening-charge-dynamics-theory-2026"},"version":"1"}