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美研究提出未来气候变暖源于全球食物消费 快报文章
气候变化快报，2023年第06期
作者:  刘莉娜
Microsoft Word(14Kb)  |  收藏  |  浏览/下载：545/0  |  提交时间：2023/03/20
Food Consumption  Greenhouse Gas Emissions  Warming  
Non-volatile electric control of spin-charge conversion in a SrTiO3 Rashba system 期刊论文
NATURE, 2020, 580 (7804) : 483-+
作者:  Collombet, Samuel;  Ranisavljevic, Noemie;  Nagano, Takashi;  Varnai, Csilla;  Shisode, Tarak;  Leung, Wing;  Piolot, Tristan;  Galupa, Rafael;  Borensztein, Maud;  Servant, Nicolas;  Fraser, Peter;  Ancelin, Katia;  Heard, Edith
收藏  |  浏览/下载：15/0  |  提交时间：2020/07/03

The polarization direction of a ferroelectric-like state can be used to control the conversion of spin currents into charge currents at the surface of strontium titanate, a non-magnetic oxide.


After 50 years of development, the technology of today'  s electronics is approaching its physical limits, with feature sizes smaller than 10 nanometres. It is also becoming clear that the ever-increasing power consumption of information and communication systems(1) needs to be contained. These two factors require the introduction of non-traditional materials and state variables. As recently highlighted(2), the remanence associated with collective switching in ferroic systems is an appealing way to reduce power consumption. A promising approach is spintronics, which relies on ferromagnets to provide non-volatility and to generate and detect spin currents(3). However, magnetization reversal by spin transfer torques(4) is a power-consuming process. This is driving research on multiferroics to achieve low-power electric-field control of magnetization(5), but practical materials are scarce and magnetoelectric switching remains difficult to control. Here we demonstrate an alternative strategy to achieve low-power spin detection, in a non-magnetic system. We harness the electric-field-induced ferroelectric-like state of strontium titanate (SrTiO3)(6-9) to manipulate the spin-orbit properties(10) of a two-dimensional electron gas(11), and efficiently convert spin currents into positive or negative charge currents, depending on the polarization direction. This non-volatile effect opens the way to the electric-field control of spin currents and to ultralow-power spintronics, in which non-volatility would be provided by ferroelectricity rather than by ferromagnetism.


  
Household carbon footprint patterns by the degree of urbanisation in Europe 期刊论文
ENVIRONMENTAL RESEARCH LETTERS, 2019, 14 (11)
作者:  Ottelin, Juudit;  Heinonen, Jukka;  Nassen, Jonas;  Junnila, Seppo
收藏  |  浏览/下载：5/0  |  提交时间：2020/02/17
consumption-based  greenhouse gas emissions  climate action  cities  rebound effect  built environment  
What do empirical findings reveal about modelled energy demand and energy ratings? Comparisons of gas consumption across the English residential sector 期刊论文
ENERGY POLICY, 2019, 129: 997-1007
作者:  Summerfield, A. J.;  Oreszczyn, T.;  Palmer, J.;  Hamilton, I. G.;  Li, F. G. N.;  Crawley, J.;  Lowe, R. J.
收藏  |  浏览/下载：7/0  |  提交时间：2019/11/26
Energy demand  Gas consumption  Residential sector  National building energy models  Standard Assessment Procedure (SAP)  
The role of natural gas consumption in Saudi Arabia's output and its implication for trade and environmental quality 期刊论文
ENERGY POLICY, 2019, 129: 230-238
作者:  Akadiri, Ada Chigozie;  Saint Akadiri, Seyi;  Gungor, Hasan
收藏  |  浏览/下载：7/0  |  提交时间：2019/11/26
Natural gas consumption  Total trade  Economic growth  ARDL approach  Granger causality  
Medium-to-long-term coupled strategies for energy efficiency and greenhouse gas emissions reduction in Beijing (China) 期刊论文
ENERGY POLICY, 2019, 127: 350-360
作者:  Zhang, Dongyu;  Liu, Gengyuan;  Chen, Caocao;  Zhang, Yan;  Hao, Yan;  Casazza, Marco
收藏  |  浏览/下载：5/0  |  提交时间：2019/11/26
Greenhouse gas emissions  Energy consumption  LEAP-Beijing model  
Shocks effects of macroeconomic variables on natural gas consumption in Nigeria: Structural VAR with sign restrictions 期刊论文
ENERGY POLICY, 2019, 125: 135-144
作者:  Galadima, Mukhtar Danladi;  Aminu, Abubakar Wambai
收藏  |  浏览/下载：6/0  |  提交时间：2019/04/09
Macroeconomic variables  Natural gas consumption  Sign restricted SVAR  
Natural gas consumption of urban households in China and corresponding influencing factors 期刊论文
ENERGY POLICY, 2018, 122: 17-26
作者:  Liu, Guixian;  Dong, Xiucheng;  Jiang, Qingzhe;  Dong, Cong;  Li, Jiaman
收藏  |  浏览/下载：13/0  |  提交时间：2019/04/09
Chinese urban households  NGP  Natural gas consumption per capita  Feasible generalized least squares  Natural gas consumption amount  
Inequality across China's Staple Crops in Energy Consumption and Related GHG Emissions 期刊论文
ECOLOGICAL ECONOMICS, 2018, 153: 17-30
作者:  Zhen, Wei;  Qin, Quande;  Qian, Xiaoying;  Wei, Yi-Ming
收藏  |  浏览/下载：6/0  |  提交时间：2019/04/09
Embodied energy intensity  Energy consumption related greenhouse gas intensity  Hybrid EIO-LCA model  Structural path analysis  China'  s staple crops  
Defining a land boundary for sustainable livestock consumption 期刊论文
GLOBAL CHANGE BIOLOGY, 2018, 24 (9) : 4185-4194
作者:  Van Zanten, Hannah H. E.;  Herrero, Mario;  Van Hal, Ollie;  Roos, Elin;  Muller, Adrian;  Garnett, Tara;  Gerber, Pierre J.;  Schader, Christian;  De Boer, Imke J. M.
收藏  |  浏览/下载：6/0  |  提交时间：2019/04/09
animal source food  greenhouse gas emissions  land boundary  land use  leftovers  livestock  recycling biomass  sustainable consumption  sustainable development goals