Engineering valley quantum interference in anisotropic van der Waals heterostructures

Muralidhar Nalabothula; Pankaj K. Jha; Tony Low; Anshuman Kumar

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Engineering valley quantum interference in anisotropic van der Waals heterostructures

机译：各向异性van der Waals异质结构的工程谷量子干扰

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In this paper, we present a novel route to manipulate the spontaneous valley coherence in two-dimensional valleytronic materials interfaced with other layered materials hosting anisotropic polaritonic modes. We propose two implementations-one, using anisotropic plasmons in phosphorene and another with hyperbolic phonon polaritons in α-MoO_3. In particular, we show the electrostatic tunability of the spontaneous valley coherence achieving robust valley coherence values in the near-infrared wavelengths at room temperature. The tunability of this valley coherence shown in these heterostructures would enable the realization of active valleytronic quantum circuitry.

机译：在本文中，我们提出了一种新的途径来操纵与托管各向异性偏光激素模式的其他层状材料的二维谷石材料中的自发谷连贯性。我们提出了两种实施方式 - 一种实施方式，使用磷烯中的各向异性等离子体，另一种具有α-moo_3中的双曲声子偏振子。特别是，我们展示了在室温下实现近红外波长的强大谷相干值的自发谷相干性的静电可调性。这些异质结构中所示的该谷连贯性的可调谐能够实现有源谷物量子电路的实现。

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《Physical review》 |2020年第4期|045416.1-045416.6|共6页
作者
Muralidhar Nalabothula; Pankaj K. Jha; Tony Low; Anshuman Kumar;
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Physics Department Indian Institute of Technology Bombay Mumbai 400076 India;

Thomas J. Watson Laboratories of Applied Physics California Institute of Technology Pasadena California 91125 USA;

Department of Electrical and Computer Engineering University of Minnesota Minneapolis Minnesota 55455 USA;

Physics Department Indian Institute of Technology Bombay Mumbai 400076 India;

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1. Engineering valley quantum interference in anisotropic van der Waals heterostructures [J] . Nalabothula Muralidhar, Jha Pankaj K., Low Tony, Physical review, B . 2020,第4期

机译：各向异性van der Waals异质结构的工程谷量子干扰
2. Tuning the valley and chiral quantum state of Dirac electrons in van der Waals heterostructures [J] . Wallbank J. R., Ghazaryan D., Misra A., Science . 2016,第6299期

机译：在范德华异质结构中调节Dirac电子的谷和手性量子态
3. Van der Waals heterostructure engineering by 2D space-confinement for advanced potassium-ion storage [J] . Bi Luo, Peng Wu, Jiafeng Zhang, 纳米研究（英文版） . 2021,第011期

机译：Van der Waals异质结构通过2D空间限制进行先进的钾离子储存
4. Electrical Manipulation of the Valley Polarization and Valley Coherence in a Van Der Waals Heterostructure [C] . Chitraleema Chakraborty, Arunabh Mukherjee, Liangyu Qiu, Conference on Lasers and Electro-Optics . 2019

机译：Van Der Waals异质结构中的谷极化和谷相干性的电操纵
5. Interlayer Excitons in Atomically Thin van der Waals Semiconductor Heterostructures [D] . Joe, Andrew Yunho. 2021

机译：在原子上薄van der Waals半导体异质结构中的层间激子
6. Giant magnetic splitting inducing near-unity valley polarization in van der Waals heterostructures [O] . Philipp Nagler, Mariana V. Ballottin, Anatolie A. Mitioglu, -1

机译：巨磁分裂在范德华异质结构中诱导近统一的谷极化
7. Van Der Waals Heterostructures: Interfacial Charge Behavior Modulation in Perovskite Quantum Dot-Monolayer MoS2 0D-2D Mixed-Dimensional van der Waals Heterostructures (Adv. Funct. Mater. 34/2018) [O] . Hualin Wu, Zhuo Kang, Zihan Zhang, 2018

机译：van der waals异质结构：钙钛矿量子点 - 单层MOS2 0D-2D混合维van der下颌异质结构（ADV。Funct。Mater。34/2018）中的界面电荷行为调制
8. Nano Electronics on Atomically Controlled van der Waals Quantum Heterostructures. [R] . Kim, P. 2018

机译：纳米电子在原子控制的范德华量子异质结构上的应用。

Engineering valley quantum interference in anisotropic van der Waals heterostructures

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