Zobrazeno 1 - 10
of 11
pro vyhledávání: '"Umasankar Dash"'
Autor:
Umasankar Dash, Chang Uk Jung
Publikováno v:
Journal of Magnetics. 23:345-349
Publikováno v:
Journal of Alloys and Compounds. 684:310-314
Bulk BiMnO3 has a monoclinic structure and exhibits ferromagnetic properties below Tc∼105 K. The existence of ferroelectricity was one of the hottest issues in this compound. To investigate the ferroelectricity in BiMnO3, a good film with low-enoug
Autor:
Umasankar Dash
Publikováno v:
IOSR Journal of Humanities and Social Science. 21:50-63
Effective Teaching is an art and no easy endeavour. Generally Teaching is delivered by a teacher to enhance the amount of learning of a learner. To make learning more meaningful, understandable and fruitful to a learner, effectiveness of teaching del
Publikováno v:
Journal of Magnetics. 21:168-172
BiMnO₃ has been a promising candidate as a magnetoelectric multiferroic while there have been many controversial reports on its ferroelectricity. The detailed analysis of its film growth, especially the growth of thin film having monoclinic symmetr
Autor:
Chang Uk Jung, The-Long Phan, Kirstie Raquel Natalia Toreh, Deok Hyeon Kim, Woosuk Yoo, Myung Rae Cho, Susant Kumar Acharya, Yun Daniel Park, Myung-Hwa Jung, Umasankar Dash, Bo Wha Lee, Ji-Yong Park, Hyunwoo Jin, Suyoun Lee, Bae Ho Park
Publikováno v:
Journal of Alloys and Compounds. 657:224-230
SrRu 1− x Fe x O 3−δ ( x = 0.00, 0.05, 0.10, and 0.20) thin films were fabricated to study the intrinsic aspects of a “self spin valve”. Using epitaxial strain and high oxygen partial pressure during thin film growth, single phase thin films
Autor:
Hionsuck Baik, Seung Chul Chae, Susant Kumar Acharya, Cheol Seong Hwang, Bae Ho Park, Miyoung Kim, Chang Uk Jung, Sangik Lee, Umasankar Dash, Janghyun Jo, Jae Sung Lee, Nallagatlla Venkata Raveendra
Publikováno v:
Nanoscale. 9(29)
An oxide-based resistance memory is a leading candidate to replace Si-based flash memory as it meets the emerging specifications for future memory devices. The non-uniformity in the key switching parameters and low endurance in conventional resistanc
Publikováno v:
Nanoscale Research Letters
Oxygen vacancies have a profound effect on the magnetic, electronic, and transport properties of transition metal oxide materials. Here, we studied the influence of oxygen vacancies on the magnetoresistance (MR) properties of SrRu1 − xFexO3 - δ ep
Publikováno v:
Journal of Advanced Ceramics. 3:89-97
Nanocrystalline and bulk Li2TiO3 having monoclinic structure were prepared by mechanical alloying as well as conventional ceramic route. Complex impedance analysis in the frequency range of 100 Hz-1 MHz over a wide range of temperature (50–500 °C)
Publikováno v:
Journal of Advanced Ceramics. 2(3):291-300
Nanocrystalline calcium titanate (CT) ceramic has been synthesized by a combination of solid-state reaction and high-energy ball milling. This nano-ceramic is characterized by X-ray diffraction (XRD), dielectric study and impedance spectroscopy. The
Publikováno v:
Journal of Advanced Ceramics. 3(2):98-108
Lithium titanate (Li2TiO3) is one of the most promising candidates among the tritium breeding materials because of its good tritium release capacity. Li concentration has much significance on the diffusivity of tritium in the material. The nanocrysta