{"article":{"annotation":{"article_id":"twisted-bilayer-phononic-frequency-combs-first-principles-2026","available_at":"2026-10-13T00:52:27.615494Z","geography_revision":"ef6ee0010dda5fe7b240fd514749b43e214c57da73222d2e40ec83b276dd0977","id":"42bdd48cec20f90b18607476c34d8aaefefe8516530d90d4c8d34840546d809c","input_sha256":"d345881a9e35bc209dcd7e6a1248e4d586f3e6c7d1086eda62f82c844958e2de","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":"AE","evidence":[{"field":"country","language":"en","note":"Explicit preserved editorial country/region; no city or national centroid inferred","source_urls":["https://arxiv.org/abs/2610.13825"]}],"geometry":null,"id":"iso3166-1:AE","kind":"country-or-area","labels":{"ar":"الإمارات العربية المتحدة","en":"United Arab Emirates","es":"Emiratos Árabes Unidos","fr":"Émirats arabes unis"},"match_status":"candidate","precision":"regional","role":"coverage","uncertainty_m":null},{"admin1":null,"city":"Dubai","coordinate_note":"UNGEGN city reference point from the cited source; source does not publish a positional uncertainty. 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Kraftkonstanten zweiter und dritter Ordnung lieferten Modenfrequenzen, Gütefaktoren und nichtlineare Kopplung; ausgewählte Modenpaare lagen in beiden Strukturen weniger als 0,8 % von einer 2:1-Resonanz entfernt.","Die Lösung dynamischer Gleichungen für zwei Moden deutete darauf hin, dass unter den modellierten Bedingungen nach Überschreiten eines Schwellenwerts Phononenfrequenzkämme entstehen können. Die Studie bietet eine Erstprinzipien-Methode zur Bewertung möglicher Strukturen; sie berichtet weder über einen gemessenen Kamm in einem gefertigten Gerät noch über eine Funktionsdemonstration."],"sections":[]},"corrections":[],"country":"AE","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":"بنيتان غير متجانستين من ثنائي كالكوجينيد الفلز الانتقالي قورنتا بحسابات المبادئ الأولى.","de":"Zwei Heterostrukturen aus Übergangsmetalldichalkogeniden im Vergleich durch Berechnungen aus ersten Prinzipien.","en":"Two transition-metal dichalcogenide heterostructures compared in first-principles calculations.","es":"Dos heteroestructuras de dicalcogenuros de metales de transición comparadas mediante cálculos de primeros principios.","fr":"Deux hétérostructures de dichalcogénures de métaux de transition comparées par calculs de premiers principes.","pt":"Duas heteroestruturas de dicalcogenetos de metais de transição comparadas por cálculos de primeiros princípios.","tr":"Birinci ilkeler hesabında karşılaştırılan iki geçiş metali dikalkojenit heteroyapısı."},"id":"study-result","methodology":{"ar":"نمذج المؤلفون MoS₂/WSe₂ وMoS₂/MoSe₂ بزاوية التواء مشتركة قدرها 21.787° في خلية مواريه من 42 ذرة، واستخرجوا الأنماط الاهتزازية من ثوابت القوة المحسوبة بـDFT.","de":"Die Autoren modellierten MoS₂/WSe₂ und MoS₂/MoSe₂ bei einem gemeinsamen Drehwinkel von 21,787° in einer 42-Atom-Moiré-Zelle und leiteten Schwingungsmoden aus DFT-Kraftkonstanten ab.","en":"The authors modelled MoS₂/WSe₂ and MoS₂/MoSe₂ at a shared 21.787° twist angle in a 42-atom moiré cell and derived vibrational modes from DFT force constants.","es":"Los autores modelaron MoS₂/WSe₂ y MoS₂/MoSe₂ con un ángulo de giro común de 21,787° en una celda moiré de 42 átomos y derivaron los modos vibratorios de constantes de fuerza DFT.","fr":"Les auteurs ont modélisé MoS₂/WSe₂ et MoS₂/MoSe₂ avec un angle de torsion commun de 21,787° dans une maille moirée de 42 atomes, puis dérivé les modes vibratoires des constantes de force DFT.","pt":"Os autores modelaram MoS₂/WSe₂ e MoS₂/MoSe₂ com um ângulo de torção comum de 21,787° numa célula moiré de 42 átomos e derivaram modos vibracionais das constantes de força DFT.","tr":"Yazarlar MoS₂/WSe₂ ile MoS₂/MoSe₂ yapılarını 21,787° ortak bükülme açısı ve 42 atomlu moiré hücresinde modelleyip DFT kuvvet sabitlerinden titreşim kiplerini çıkardı."},"rowTranslations":[{"quantity":{"ar":"أنظمة المواد ثنائية الطبقة الملتوية التي حللتها DFT","de":"Mit DFT untersuchte verdrehte Doppelschichtsysteme","en":"Twisted bilayer material systems analysed with DFT","es":"Sistemas de bicapas retorcidas analizados con DFT","fr":"Systèmes de bicouches torsadées analysés par DFT","pt":"Sistemas de bicamadas torcidas analisados por DFT","tr":"DFT ile incelenen bükümlü ikili malzeme sistemi"},"study_scope":{"ar":"بنيتان غير متجانستين من ثنائي كالكوجينيد الفلز الانتقالي قورنتا بحسابات المبادئ الأولى.","de":"Zwei Heterostrukturen aus Übergangsmetalldichalkogeniden im Vergleich durch Berechnungen aus ersten Prinzipien.","en":"Two transition-metal dichalcogenide heterostructures compared in first-principles calculations.","es":"Dos heteroestructuras de dicalcogenuros de metales de transición comparadas mediante cálculos de primeros principios.","fr":"Deux hétérostructures de dichalcogénures de métaux de transition comparées par calculs de premiers principes.","pt":"Duas heteroestruturas de dicalcogenetos de metais de transição comparadas por cálculos de primeiros princípios.","tr":"Birinci ilkeler hesabında karşılaştırılan iki geçiş metali dikalkojenit heteroyapısı."}}],"rows":[{"quantity":"Twisted bilayer material systems analysed with DFT","study_scope":"Two transition-metal dichalcogenide heterostructures compared in first-principles calculations.","value":2}],"sourceUrls":["https://arxiv.org/abs/2610.13825"],"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/twisted-bilayer-phononic-frequency-combs-first-principles-2026/data/study-result?lang=de&format=csv","json":"https://newsverum.com/api/v1/articles/twisted-bilayer-phononic-frequency-combs-first-principles-2026/data/study-result?lang=de&format=json"},"id":"study-result"}],"data_types":["table"],"editorial_illustration":null,"event_id":"event-a42985f6-eafc-5067-bb76-fa66d962229e","event_period":"2026-10-09","event_period_basis":"event-or-reference-period","id":"twisted-bilayer-phononic-frequency-combs-first-principles-2026","image":null,"importance":0.6,"language":"de","modified_at":"2026-10-13T00:51:41+00:00","publication_basis":"publication-record","published_at":"2026-10-13T00:51:41+00:00","reading_minutes":1,"region":"world","section_illustration":null,"slug":"twisted-bilayer-phononic-frequency-combs-first-principles-2026","sources":[{"checkedAt":"2026-10-13","name":"arXiv","publishedAt":"2026-10-09","url":"https://arxiv.org/abs/2610.13825"}],"summary":"Forschende am Dubai-Campus des Birla Institute of Technology and Science untersuchten mit Dichtefunktionaltheorie zwei verdrehte Heterostrukturen aus Übergangsmetalldichalkogeniden. Ihr Modell sagt für beide Strukturen Frequenzkämme zwischen ausgewählten Schwingungsmoden voraus.","text":"Forschende am Dubai-Campus des Birla Institute of Technology and Science untersuchten mit Dichtefunktionaltheorie zwei verdrehte Heterostrukturen aus Übergangsmetalldichalkogeniden. Ihr Modell sagt für beide Strukturen Frequenzkämme zwischen ausgewählten Schwingungsmoden voraus.\n\nDie Berechnungen untersuchten MoS₂/WSe₂- und MoS₂/MoSe₂-Doppelschichten bei einem gemeinsamen Drehwinkel von 21,787°. Kraftkonstanten zweiter und dritter Ordnung lieferten Modenfrequenzen, Gütefaktoren und nichtlineare Kopplung; ausgewählte Modenpaare lagen in beiden Strukturen weniger als 0,8 % von einer 2:1-Resonanz entfernt.\n\nDie Lösung dynamischer Gleichungen für zwei Moden deutete darauf hin, dass unter den modellierten Bedingungen nach Überschreiten eines Schwellenwerts Phononenfrequenzkämme entstehen können. Die Studie bietet eine Erstprinzipien-Methode zur Bewertung möglicher Strukturen; sie berichtet weder über einen gemessenen Kamm in einem gefertigten Gerät noch über eine Funktionsdemonstration.","title":"Berechnungen sagen Phononenfrequenzkämme in zwei verdrehten Atomlagen voraus","topics":[],"translations":[{"api_url":"https://newsverum.com/api/v1/articles/twisted-bilayer-phononic-frequency-combs-first-principles-2026?lang=tr","language":"tr","url":"https://newsverum.com/tr/news/twisted-bilayer-phononic-frequency-combs-first-principles-2026"},{"api_url":"https://newsverum.com/api/v1/articles/twisted-bilayer-phononic-frequency-combs-first-principles-2026?lang=en","language":"en","url":"https://newsverum.com/en/news/twisted-bilayer-phononic-frequency-combs-first-principles-2026"},{"api_url":"https://newsverum.com/api/v1/articles/twisted-bilayer-phononic-frequency-combs-first-principles-2026?lang=ar","language":"ar","url":"https://newsverum.com/ar/news/twisted-bilayer-phononic-frequency-combs-first-principles-2026"},{"api_url":"https://newsverum.com/api/v1/articles/twisted-bilayer-phononic-frequency-combs-first-principles-2026?lang=fr","language":"fr","url":"https://newsverum.com/fr/news/twisted-bilayer-phononic-frequency-combs-first-principles-2026"},{"api_url":"https://newsverum.com/api/v1/articles/twisted-bilayer-phononic-frequency-combs-first-principles-2026?lang=es","language":"es","url":"https://newsverum.com/es/news/twisted-bilayer-phononic-frequency-combs-first-principles-2026"},{"api_url":"https://newsverum.com/api/v1/articles/twisted-bilayer-phononic-frequency-combs-first-principles-2026?lang=de","language":"de","url":"https://newsverum.com/de/news/twisted-bilayer-phononic-frequency-combs-first-principles-2026"},{"api_url":"https://newsverum.com/api/v1/articles/twisted-bilayer-phononic-frequency-combs-first-principles-2026?lang=pt","language":"pt","url":"https://newsverum.com/pt/news/twisted-bilayer-phononic-frequency-combs-first-principles-2026"}],"url":"https://newsverum.com/de/news/twisted-bilayer-phononic-frequency-combs-first-principles-2026"},"version":"1"}