Current-Induced Reversible Resistance Jumps in La0.8Ca0.2MnO3 Microbridge
Two spatially confined La0.8Ca0.2MnO3（LCMO） microbridges with different widths, starting from a single LCMO fihn （3mm×5 mm）, are fabricated by optical lithography. A second new and robust metal-insulator transition （MIT） peak at about 75K appears, in addition to the normal MIT at 180 K observed in t...
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| Veröffentlicht in: | 中国物理快报：英文版 2016-05 (5), p.71-74 |
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| creator | 翟章印 解其云 陈贵宾 吴小山 高炬 |
| description | Two spatially confined La0.8Ca0.2MnO3（LCMO） microbridges with different widths, starting from a single LCMO fihn （3mm×5 mm）, are fabricated by optical lithography. A second new and robust metal-insulator transition （MIT） peak at about 75K appears, in addition to the normal MIT at 180 K observed in the standard LCMO film. When the two bridges are processed by currents of high densities, interesting reversible resistance jumps are excited only around the new peak. A stronger dependence of resistance jump on current excitation is found for the bridge with a smaller width. The temperature driven transition between new excited multiple metastable states are involved to explain the interesting low-temperature ultra-sharp jumps. |
| doi_str_mv | 10.1088/0256-307X/33/5/056103 |
| format | Article |
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A second new and robust metal-insulator transition （MIT） peak at about 75K appears, in addition to the normal MIT at 180 K observed in the standard LCMO film. When the two bridges are processed by currents of high densities, interesting reversible resistance jumps are excited only around the new peak. A stronger dependence of resistance jump on current excitation is found for the bridge with a smaller width. 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The temperature driven transition between new excited multiple metastable states are involved to explain the interesting low-temperature ultra-sharp jumps.</description><subject>LCMO薄膜</subject><subject>可逆性</subject><subject>微桥</subject><subject>电流</subject><subject>空间限制</subject><subject>跳跃</subject><subject>金属绝缘体转变</subject><subject>麻省理工学院</subject><issn>0256-307X</issn><issn>1741-3540</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><recordid>eNo9jk1Lw0AURQdRMFZ_ghDcp3kvL_PhUoLaSEpBFNyVyWQSR9ppnUkE_70Bxc29Z3E5XMauEZYISuVQcJERyLecKOc5cIFAJyxBWWJGvIRTlvxvztlFjB8AiAoxYXU1hWD9mNW-m4zt0mf7ZUN07c7OGF0ctTc2fZr2x5g6nzYalqqao1j7DaVrZ8KhDa4b7CU76_Uu2qu_XrDXh_uXapU1m8e6umsyg6oYMy4UKJL2lkwhNGBLpIF60QsrQWNZQmsMdlJIyaXRSMLOtwwhR90RKlqwm1-veT_44dP5YXsMbq_D91YIJWXBy5J-AK-iTQs</recordid><startdate>20160501</startdate><enddate>20160501</enddate><creator>翟章印 解其云 陈贵宾 吴小山 高炬</creator><scope>2RA</scope><scope>92L</scope><scope>CQIGP</scope><scope>~WA</scope></search><sort><creationdate>20160501</creationdate><title>Current-Induced Reversible Resistance Jumps in La0.8Ca0.2MnO3 Microbridge</title><author>翟章印 解其云 陈贵宾 吴小山 高炬</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c182t-5680837e93c26a01b33a03f6f6e70a1440bcc1d767757ca136ecedc3151ad3183</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2016</creationdate><topic>LCMO薄膜</topic><topic>可逆性</topic><topic>微桥</topic><topic>电流</topic><topic>空间限制</topic><topic>跳跃</topic><topic>金属绝缘体转变</topic><topic>麻省理工学院</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>翟章印 解其云 陈贵宾 吴小山 高炬</creatorcontrib><collection>中文科技期刊数据库</collection><collection>中文科技期刊数据库-CALIS站点</collection><collection>中文科技期刊数据库-7.0平台</collection><collection>中文科技期刊数据库- 镜像站点</collection><jtitle>中国物理快报：英文版</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>翟章印 解其云 陈贵宾 吴小山 高炬</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Current-Induced Reversible Resistance Jumps in La0.8Ca0.2MnO3 Microbridge</atitle><jtitle>中国物理快报：英文版</jtitle><addtitle>Chinese Physics Letters</addtitle><date>2016-05-01</date><risdate>2016</risdate><issue>5</issue><spage>71</spage><epage>74</epage><pages>71-74</pages><issn>0256-307X</issn><eissn>1741-3540</eissn><abstract>Two spatially confined La0.8Ca0.2MnO3（LCMO） microbridges with different widths, starting from a single LCMO fihn （3mm×5 mm）, are fabricated by optical lithography. 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| ispartof | 中国物理快报：英文版, 2016-05 (5), p.71-74 |
| issn | 0256-307X 1741-3540 |
| language | eng |
| recordid | cdi_chongqing_primary_668772544 |
| source | IOP Publishing Journals; Institute of Physics (IOP) Journals - HEAL-Link; Alma/SFX Local Collection |
| subjects | LCMO薄膜 可逆性 微桥 电流 空间限制 跳跃 金属绝缘体转变 麻省理工学院 |
| title | Current-Induced Reversible Resistance Jumps in La0.8Ca0.2MnO3 Microbridge |
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