{"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. Unknown country/city/coordinates remain absent; no automatic geocoding.","Article geometries keep their stated precision and methodology; reproducing them is not independent coordinate verification."],"method":"controlled-rules-v1","places":[{"admin1":null,"city":null,"coordinate_note":null,"coordinate_reference_system":"OGC:CRS84","coordinate_source":null,"country":"US","evidence":[{"field":"country","language":"en","note":"Explicit preserved editorial country/region; no city or national centroid inferred","source_urls":["https://arxiv.org/abs/2610.13619"]}],"geometry":null,"id":"iso3166-1:US","kind":"country-or-area","labels":{"ar":"الولايات المتحدة الأمريكية","en":"United States of America","es":"Estados Unidos de América","fr":"États-Unis d’Amérique"},"match_status":"candidate","precision":"regional","role":"coverage","uncertainty_m":null}],"rules_sha256":"fb5ad3c27c91cb840f7a0a05f7f64a5cb26ad0374409ff9457f277c7092e22b4","schema_version":1,"subjects":[{"concept_id":"medtop:20000420","confidence":null,"confidence_method":null,"evidence":[{"field":"en.title+en.summary","language":"en","note":"Subject suggested from the title or summary: conservation","source_urls":["https://arxiv.org/abs/2610.13619"]}],"method":"controlled-rules-v1","rule_id":"conservation","status":"candidate"},{"concept_id":"medtop:20000337","confidence":null,"confidence_method":null,"evidence":[{"field":"en.title+en.summary","language":"en","note":"Subject suggested from the title or summary: transport","source_urls":["https://arxiv.org/abs/2610.13619"]}],"method":"controlled-rules-v1","rule_id":"transport","status":"candidate"},{"concept_id":"medtop:13000000","confidence":null,"confidence_method":null,"evidence":[{"field":"category+topics","language":"en","note":"Preserved editorial category/topic; broad candidate only","source_urls":["https://arxiv.org/abs/2610.13619"]}],"method":"controlled-rules-v1","rule_id":"science-broad","status":"candidate"}],"taxonomy_revision":"1f2db31d811fca07e99b16d402c10e2cc2965c9df1c7b41d9be348b40a24e7fb","taxonomy_version":"IPTC Media Topics 2026-Q2"},"api_url":"https://newsverum.com/api/v1/articles/ferroelectric-domain-wall-screening-charge-dynamics-theory-2026?lang=es","category":"science","content":{"key_points":[],"paragraphs":["En un preprint de arXiv, Sergei Kalinin, de la Universidad de Tennessee, sostiene que en las superficies ferroeléctricas deben considerarse conjuntamente la polarización y las cargas que la compensan. El modelo compara el intercambio local con el entorno, el transporte lateral superficial y la redistribución con conservación de la carga superficial total, además de geometrías con superficie expuesta o cubierta por un electrodo.","El marco muestra que, con conservación estricta de la carga y sin corriente desde regiones lejanas, una pared aislada no puede transportar de forma estable su perfil de apantallamiento; siguen siendo posibles un desplazamiento transitorio y la detención en una muestra finita. Los ejemplos de BaTiO₃ y BiFeO₃ conectan la teoría con la termodinámica de materiales. Es un trabajo analítico y computacional, no un nuevo resultado experimental de dispositivo."],"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=es&format=csv","json":"https://newsverum.com/api/v1/articles/ferroelectric-domain-wall-screening-charge-dynamics-theory-2026/data/study-result?lang=es&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":"es","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 investigador de materiales de la Universidad de Tennessee presentó un marco teórico que vincula el movimiento de las paredes de dominio ferroeléctricas con cambios en la carga superficial de apantallamiento. 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El modelo compara el intercambio local con el entorno, el transporte lateral superficial y la redistribución con conservación de la carga superficial total, además de geometrías con superficie expuesta o cubierta por un electrodo.\n\nEl marco muestra que, con conservación estricta de la carga y sin corriente desde regiones lejanas, una pared aislada no puede transportar de forma estable su perfil de apantallamiento; siguen siendo posibles un desplazamiento transitorio y la detención en una muestra finita. Los ejemplos de BaTiO₃ y BiFeO₃ conectan la teoría con la termodinámica de materiales. Es un trabajo analítico y computacional, no un nuevo resultado experimental de dispositivo.","title":"Una teoría explica cómo la carga de apantallamiento condiciona las paredes ferroeléctricas","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/es/news/ferroelectric-domain-wall-screening-charge-dynamics-theory-2026"},"version":"1"}