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US 9,809,455 B2Granted
Conductive material and electrical device including the same
AssigneeSamsung Electronics Co., Ltd.
InventorsSung Woo Hwang, Kyoung-Seok Moon, Youngjin Cho, Yoon Chul Son, Kimoon Lee, Doh Won Jung
Life of this patent
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Abstract
A conductive material including a first element selected from a transition metal, a platinum-group element, a rare earth element, and a combination thereof, a second element having an atomic radius which is 10 percent less than to 10 percent greater than an atomic radius of the first element, and a chalcogen element, wherein the conductive material has a layered crystal structure.
Claims21
A conductive material, comprising:
- a first element selected from a transition metal, a platinum-group element, a rare earth element, and a combination thereof;
- a second element having an atomic radius which is 10 percent less than to 10 percent greater than an atomic radius of the first element;
- and
- a chalcogen element,
- wherein the conductive material has a layered crystal structure,
- wherein an electrical conductivity of the conductive material is greater than or equal to about 3.0×104 Siemens per centimeter.
3 more elements
A method of preparing a conductive material, the method comprising:
- heat treating
- a first element selected from a transition metal, a platinum-group element, a rare earth element, and a combination thereof,
- a second element having an atomic radius which is 10 percent less than to 10 percent greater than an atomic radius of the first element, and
- a chalcogen element to form a compound having a layered crystal structure;
- and
- exfoliating the compound having a layered crystal structure to prepare the conductive material,
- wherein an electrical conductivity of the conductive material is greater than or equal to about 3.0×104 Siemens per centimeter.
4 more elements
Dependencies are inferred from the claim text.