Patent 7115927 was granted and assigned to SAMSUNG ELECTRONICS CO., LTD. on October, 2006 by the United States Patent and Trademark Office.
Phase-changeable memory devices and method of fabricating phase-changeable memory devices are provided that include a phase-changeable material pattern of a phase-changeable material that includes nitrogen atoms. First and second electrodes are electrically connected to the phase-changeable material pattern and provide an electrical signal thereto. The phase-changeable material pattern may have a polycrystalline structure.