{"article":{"annotation":{"article_id":"beta-tin-twin-boundary-dislocation-faceting-simulation-2026","available_at":"2026-10-13T00:51:56.679928Z","geography_revision":"ef6ee0010dda5fe7b240fd514749b43e214c57da73222d2e40ec83b276dd0977","id":"a3f05fb0b93f98a80b8d3182dff9e66ee73d23bdad5158ab5f8496cd61d54da2","input_sha256":"cfe11b26634180073f6b2376153371792e453aee681f5ef8968cef803add7e01","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/2610.13714"]}],"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: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/2610.13714"]}],"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/beta-tin-twin-boundary-dislocation-faceting-simulation-2026?lang=en","category":"science","content":{"key_points":[],"paragraphs":["Using molecular-dynamics simulations with a machine-learned interatomic potential, the paper studied c-direction dislocations arriving at a (301) twin boundary in β-tin. The model showed that absorption by the boundary forms an asymmetric facet whose length grows approximately linearly with the number of absorbed dislocations.","The authors’ elasticity calculation matched the simulation more closely when it included the asymmetric facet’s disclination character; it predicted about five geometrically necessary dislocations for the base configuration. The findings are from atomistic simulation and theory. The study did not measure durability or failure life in a real solder component."],"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":"ترتيب تقريبي لتفاعل امتصاص انخلاع واحد استُنتج من محاكاة الديناميكيات الجزيئية للقصدير β.","de":"Ungefähre Konfiguration einer Versetzungsaufnahme aus Molekulardynamik-Simulationen von β-Zinn.","en":"Approximate configuration for one dislocation-absorption reaction inferred from molecular-dynamics simulations of β-tin.","es":"Configuración aproximada de una reacción de absorción de dislocación inferida de simulaciones de dinámica molecular del β-estaño.","fr":"Configuration approximative d’une réaction d’absorption de dislocation déduite de simulations de dynamique moléculaire du β-étain.","pt":"Configuração aproximada de uma reação de absorção de deslocação inferida de simulações de dinâmica molecular do β-estanho.","tr":"β-kalay için moleküler dinamik modelinden çıkarılan, tek bir dislokasyon soğurulma tepkimesine ait yaklaşık yapılandırma."},"id":"study-result","methodology":{"ar":"محاكاة ديناميكيات جزيئية بجهد بين ذري متعلم آلياً وحساب للمرونة؛ وليست عينة تجريبية مصنّعة حديثاً.","de":"Molekulardynamik mit maschinell gelerntem interatomarem Potential und Elastizitätsrechnung; keine neu gefertigte Probe.","en":"Molecular dynamics with a machine-learned interatomic potential and an elasticity calculation; this is not a newly fabricated experimental sample.","es":"Dinámica molecular con un potencial interatómico aprendido por máquina y un cálculo elástico; no es una muestra experimental recién fabricada.","fr":"Dynamique moléculaire avec potentiel interatomique appris par machine et calcul d’élasticité; il ne s’agit pas d’un nouvel échantillon expérimental.","pt":"Dinâmica molecular com potencial interatómico aprendido por máquina e cálculo de elasticidade; não é uma nova amostra experimental.","tr":"Makine öğrenmeli atomlar arası potansiyel kullanan moleküler dinamik simülasyonları ve elastikiyet hesabı; deneysel olarak yeni üretilmiş bir örnek değildir."},"rowTranslations":[{"quantity":{"ar":"نحو خمسة انخلاعات ضرورية هندسياً تكوّن الواجهة في المحاكاة","de":"Etwa fünf geometrisch notwendige Versetzungen, die in den Simulationen die Facette bilden","en":"Approximately five geometrically necessary dislocations forming the facet in simulations","es":"Aproximadamente cinco dislocaciones geométricamente necesarias que forman la faceta en las simulaciones","fr":"Environ cinq dislocations géométriquement nécessaires formant la facette dans les simulations","pt":"Cerca de cinco deslocações geometricamente necessárias que formam a faceta nas simulações","tr":"Benzetimlerde faseti oluşturan yaklaşık beş geometrik olarak gerekli dislokasyon"},"study_scope":{"ar":"ترتيب تقريبي لاستجابة واحدة لامتصاص الانخلاعات، استُنتج من محاكاة الديناميات الجزيئية لبيتا-القصدير.","de":"Ungefähre Konfiguration einer Reaktion zur Aufnahme von Versetzungen, abgeleitet aus Molekulardynamiksimulationen von β-Zinn.","en":"Approximate configuration for one dislocation-absorption reaction inferred from molecular-dynamics simulations of β-tin.","es":"Configuración aproximada de una reacción de absorción de dislocaciones, inferida de simulaciones de dinámica molecular del β-estaño.","fr":"Configuration approximative d’une réaction d’absorption de dislocations, déduite de simulations de dynamique moléculaire du β-étain.","pt":"Configuração aproximada de uma reação de absorção de deslocações, inferida de simulações de dinâmica molecular do β-estanho.","tr":"Benzetimlerle elde edilen β-kalay için bir dislokasyon soğurma tepkimesinden çıkarılan yaklaşık düzen."}}],"rows":[{"quantity":"Approximately five geometrically necessary dislocations forming the facet in simulations","study_scope":"Approximate configuration for one dislocation-absorption reaction inferred from molecular-dynamics simulations of β-tin.","value":5}],"sourceUrls":["https://arxiv.org/abs/2610.13714"],"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/beta-tin-twin-boundary-dislocation-faceting-simulation-2026/data/study-result?lang=en&format=csv","json":"https://newsverum.com/api/v1/articles/beta-tin-twin-boundary-dislocation-faceting-simulation-2026/data/study-result?lang=en&format=json"},"id":"study-result"}],"data_types":["table"],"editorial_illustration":null,"event_id":"event-fe1431b5-3636-5fa7-8e4a-1503dfce8126","event_period":"2026-10-09","event_period_basis":"event-or-reference-period","id":"beta-tin-twin-boundary-dislocation-faceting-simulation-2026","image":null,"importance":0.6,"language":"en","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":"beta-tin-twin-boundary-dislocation-faceting-simulation-2026","sources":[{"checkedAt":"2026-10-13","name":"arXiv","publishedAt":"2026-10-09","url":"https://arxiv.org/abs/2610.13714"}],"summary":"Researchers at Los Alamos National Laboratory and Iowa State University modelled how a (301) twin boundary in β-tin interacts with dislocations. The simulation concerns deformation mechanisms in tin alloys used in electronic solder.","text":"Researchers at Los Alamos National Laboratory and Iowa State University modelled how a (301) twin boundary in β-tin interacts with dislocations. The simulation concerns deformation mechanisms in tin alloys used in electronic solder.\n\nUsing molecular-dynamics simulations with a machine-learned interatomic potential, the paper studied c-direction dislocations arriving at a (301) twin boundary in β-tin. The model showed that absorption by the boundary forms an asymmetric facet whose length grows approximately linearly with the number of absorbed dislocations.\n\nThe authors’ elasticity calculation matched the simulation more closely when it included the asymmetric facet’s disclination character; it predicted about five geometrically necessary dislocations for the base configuration. The findings are from atomistic simulation and theory. The study did not measure durability or failure life in a real solder component.","title":"Simulation examines how tin solder boundaries absorb dislocations","topics":[],"translations":[{"api_url":"https://newsverum.com/api/v1/articles/beta-tin-twin-boundary-dislocation-faceting-simulation-2026?lang=tr","language":"tr","url":"https://newsverum.com/tr/news/beta-tin-twin-boundary-dislocation-faceting-simulation-2026"},{"api_url":"https://newsverum.com/api/v1/articles/beta-tin-twin-boundary-dislocation-faceting-simulation-2026?lang=en","language":"en","url":"https://newsverum.com/en/news/beta-tin-twin-boundary-dislocation-faceting-simulation-2026"},{"api_url":"https://newsverum.com/api/v1/articles/beta-tin-twin-boundary-dislocation-faceting-simulation-2026?lang=ar","language":"ar","url":"https://newsverum.com/ar/news/beta-tin-twin-boundary-dislocation-faceting-simulation-2026"},{"api_url":"https://newsverum.com/api/v1/articles/beta-tin-twin-boundary-dislocation-faceting-simulation-2026?lang=fr","language":"fr","url":"https://newsverum.com/fr/news/beta-tin-twin-boundary-dislocation-faceting-simulation-2026"},{"api_url":"https://newsverum.com/api/v1/articles/beta-tin-twin-boundary-dislocation-faceting-simulation-2026?lang=es","language":"es","url":"https://newsverum.com/es/news/beta-tin-twin-boundary-dislocation-faceting-simulation-2026"},{"api_url":"https://newsverum.com/api/v1/articles/beta-tin-twin-boundary-dislocation-faceting-simulation-2026?lang=de","language":"de","url":"https://newsverum.com/de/news/beta-tin-twin-boundary-dislocation-faceting-simulation-2026"},{"api_url":"https://newsverum.com/api/v1/articles/beta-tin-twin-boundary-dislocation-faceting-simulation-2026?lang=pt","language":"pt","url":"https://newsverum.com/pt/news/beta-tin-twin-boundary-dislocation-faceting-simulation-2026"}],"url":"https://newsverum.com/en/news/beta-tin-twin-boundary-dislocation-faceting-simulation-2026"},"version":"1"}