{"title":"Superconducting Materials","description":null,"products":[{"product_id":"nbse2","title":"2H-NbSe₂ (Niobium Diselenide, 2H phase)","description":"\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003cstrong\u003e2H-NbSe₂\u003c\/strong\u003e\u003cspan\u003e is a 2H-phase layered transition-metal dichalcogenide, metallic, exhibiting both \u003c\/span\u003e\u003cstrong\u003esuperconductivity\u003c\/strong\u003e\u003cspan\u003e (transition temperature ≈ 7 K) and a \u003c\/span\u003e\u003cstrong\u003echarge-density wave\u003c\/strong\u003e\u003cspan\u003e (≈ 33 K). It is a classic material for studying two-dimensional superconductivity and its coexistence\/competition with a CDW; superconductivity persists down to the monolayer and, owing to Ising pairing, shows a very high in-plane critical field. Its layered structure is readily exfoliable and is also used in van der Waals superconducting heterostructures.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSample specifications: Individual crystals measure approximately 3 mm, with a purity of up to 99.9999% (6N), and multiple high-quality single-crystal pieces included in each package.\u003c\/span\u003e\u003c\/p\u003e\n\u003c!----\u003e","brand":"2D Material Supermarket","offers":[{"title":"Default Title","offer_id":48179277037752,"sku":"2MS-2H-NbSe2","price":580.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0649\/0069\/4200\/files\/338211730717941_.pic.png?v=1730719326"},{"product_id":"csv3sb5","title":"CsV₃Sb₅ (Cesium Vanadium Antimonide)","description":"\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003cstrong\u003eCsV₃Sb₅\u003c\/strong\u003e\u003cspan\u003e is a layered kagome metal (AV₃Sb₅ family, A = K\/Rb\/Cs) in which the V atoms form an ideal kagome lattice. It brings together multiple correlated and topological phases in one system: a \u003c\/span\u003e\u003cstrong\u003echarge-density wave\u003c\/strong\u003e\u003cspan\u003e near 94 K, \u003c\/span\u003e\u003cstrong\u003esuperconductivity\u003c\/strong\u003e\u003cspan\u003e around 0.9–2.5 K, topologically nontrivial bands, a giant anomalous Hall effect, and a chiral CDW that may break time-reversal symmetry. As a landmark kagome superconductor, it is a prominent system for studying CDW–superconductivity competition and the interplay of topology and correlation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSample specifications: Individual crystals measure approximately 3 mm, with a purity of up to 99.9999% (6N), and multiple high-quality single-crystal pieces included in each package.\u003c\/span\u003e\u003c\/p\u003e","brand":"2D Material Supermarket","offers":[{"title":"Default Title","offer_id":48718195884216,"sku":"2MS-CsV3Sb5","price":850.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0649\/0069\/4200\/files\/337101730707655_.pic.png?v=1730710892"},{"product_id":"wte2","title":"WTe₂ (Tungsten Ditelluride)","description":"\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003cstrong\u003eWTe₂\u003c\/strong\u003e\u003cspan\u003e is a Td-phase layered transition-metal dichalcogenide and a \u003c\/span\u003e\u003cstrong\u003esemimetal\u003c\/strong\u003e\u003cspan\u003e, widely regarded as a candidate \u003c\/span\u003e\u003cstrong\u003etype-II Weyl semimetal\u003c\/strong\u003e\u003cspan\u003e. It exhibits an extremely large, non-saturating magnetoresistance and ultrahigh carrier mobility, hosts a quantum spin Hall (topological insulator) state in the monolayer, shows intrinsic out-of-plane ferroelectricity in the few-layer limit, and can become superconducting under pressure or gating. It is a representative system for studying topological phases, the nonlinear Hall effect, and ferroelectric–topological coupling.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSample specifications: Individual crystals measure approximately 3 mm, with a purity of up to 99.9999% (6N), and multiple high-quality single-crystal pieces included in each package.\u003c\/span\u003e\u003c\/p\u003e","brand":"2D Material Supermarket","offers":[{"title":"Default Title","offer_id":48718204666040,"sku":"2MS-WTe2","price":550.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0649\/0069\/4200\/files\/337231730708672_.pic.jpg?v=1730711900"},{"product_id":"pdte2-palladium-telluride","title":"PdTe2（Palladium Ditelluride）","description":"\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003cstrong\u003ePdTe₂\u003c\/strong\u003e\u003cspan\u003e is a 1T-phase layered noble-metal ditelluride that combines \u003c\/span\u003e\u003cstrong\u003esuperconductivity\u003c\/strong\u003e\u003cspan\u003e (Tc ≈ 1.7 K) with \u003c\/span\u003e\u003cstrong\u003etype-II Dirac semimetal\u003c\/strong\u003e\u003cspan\u003e behavior—coexisting topologically nontrivial bands and superconductivity—making it a candidate system for topological superconductivity. It is metallic with high carrier mobility and good air stability, and its layered structure is readily exfoliable. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSample specifications: Individual crystals measure approximately 3 mm, with a purity of up to 99.9999% (6N), and multiple high-quality single-crystal pieces included in each package.\u003c\/span\u003e\u003c\/p\u003e","brand":"2D Material Supermarket","offers":[{"title":"Default Title","offer_id":50944366805176,"sku":"2MS-PdTe2","price":560.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0649\/0069\/4200\/files\/419271741168650_.pic.jpg?v=1741169193"},{"product_id":"fese-tetragonal-phase","title":"FeSe (Tetragonal Phase)","description":"\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eFeSe\u003c\/strong\u003e is the structurally simplest iron-based superconductor, adopting a tetragonal PbO-type layered structure with van der Waals stacking that allows exfoliation down to a few layers. Its bulk superconducting transition is around 8 K, but Tc rises dramatically under high pressure or when a monolayer is grown on SrTiO₃ (exceeding 65 K in the monolayer). It also exhibits strongly correlated features such as electronic nematicity, making it a landmark material for studying iron-based superconductivity, nematic order, and high-Tc physics.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eSample specifications: Individual crystals measure approximately 2 mm, with a purity of up to 99.9999% (6N), and multiple high-quality single-crystal pieces included in each package.\u003c\/p\u003e","brand":"2D Material Supermarket","offers":[{"title":"Default Title","offer_id":50944367722680,"sku":"2MS-FeSe","price":800.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0649\/0069\/4200\/files\/419051741166192_.pic.jpg?v=1741169453"},{"product_id":"tantalum-disulfide-4hb-phase-4hb-tas","title":"4Hb-TaS₂ (Tantalum Disulfide)","description":"\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003cspan\u003e4Hb-TaS₂ is a distinctive \u003c\/span\u003e\u003cstrong\u003epolytype\u003c\/strong\u003e\u003cspan\u003e of TaS₂, which can be regarded as a \u003c\/span\u003e\u003cstrong\u003enatural heterostructure\u003c\/strong\u003e\u003cspan\u003e formed by alternately stacking \u003c\/span\u003e\u003cstrong\u003e1T- and 1H-phase layers\u003c\/strong\u003e\u003cspan\u003e, with space group P6₃\/mmc. The 1T layers host a \u003c\/span\u003e\u003cstrong\u003echarge density wave (CDW)\u003c\/strong\u003e\u003cspan\u003e and are considered a candidate \u003c\/span\u003e\u003cstrong\u003equantum spin liquid\u003c\/strong\u003e\u003cspan\u003e, while the 1H layers provide \u003c\/span\u003e\u003cstrong\u003esuperconductivity\u003c\/strong\u003e\u003cspan\u003e (Tc ≈ 2.7 K). The alternating coupling of these two electronic states within a single crystal causes 4Hb-TaS₂ to exhibit signatures of \u003c\/span\u003e\u003cstrong\u003eunconventional superconductivity\u003c\/strong\u003e\u003cspan\u003e—including spontaneous \u003c\/span\u003e\u003cstrong\u003etime-reversal symmetry breaking\u003c\/strong\u003e\u003cspan\u003e and possible topological superconducting behavior—making it an important platform for studying \u003c\/span\u003e\u003cstrong\u003ecorrelated electrons and unconventional pairing\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSample specifications: Individual crystals measure approximately 1 mm, with a purity of up to 99.9999% (6N), and multiple high-quality single-crystal pieces included in each package.\u003c\/span\u003e\u003c\/p\u003e","brand":"2D Material Supermarket","offers":[{"title":"Default Title","offer_id":53862506004664,"sku":"2MS-4Hb-TaS₂","price":1050.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0649\/0069\/4200\/files\/ce2bb0b3d04a0eed9f0c9f6bb1583462.png?v=1786009173"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0649\/0069\/4200\/collections\/e748d2f02bfe72cee8ff75cccd46b547_a5c18eaf-48c7-4311-bae7-ab4c005550c5.jpg?v=1790068109","url":"https:\/\/2dmaterialsupermarket.com\/collections\/superconducting-materials.oembed","provider":"2D Material Supermarket","version":"1.0","type":"link"}