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We present a scanning probe microscopy technique for spatially resolving transport in cold atomic gases, in close analogy with scanning gate microscopy in semiconductor physics. The conductance of a quantum point contact connected to two…

We present a probe-type scanning tunneling microscope (STM) with atomic resolution that is designed to be directly inserted and work in a harsh vibrational cryogen-free superconducting magnet system. When a commercial variable temperature…

Instrumentation and Detectors · Physics 2018-06-01 Wenjie Meng , Jihao Wang , Yubin Hou , Mengqiao Sui , Junting Wang , Gang Wu , Junyun Li , Qingyou Lu

Low-temperature scanning probe microscopes (SPMs) are critical for the study of quantum materials and quantum information science. Due to the rising costs of helium, cryogen-free cryostats have become increasingly desirable. However, they…

Cryogenic confocal microscopy is a powerful method for studying solid state quantum devices such as single photon sources and optically controlled qubits. While the vast majority of such studies have been conducted at temperatures of a few…

Milli-Kelvin atomic force microscopy (mK-AFM) presents an ongoing experimental challenge due to the intense vibrations in a cryogen-free dilution refrigerator and the low cooling power available at mK temperatures. A viable approach is to…

Advances in cryogenic electron microscopy have opened new avenues for probing quantum phenomena in correlated materials. This study reports the installation and performance of a new side-entry condenZero cryogenic cooling system for JEOL…

Strongly Correlated Electrons · Physics 2025-09-30 Young-Hoon Kim , Fehmi Sami Yasin , Na Yeon Kim , Max Birch , Xiuzhen Yu , Akiko Kikkawa , Yasujiro Taguchi , Jiaqiang Yan , Miaofang Chi

Laser cooled atoms are central to modern precision measurements. They are also increasingly important as an enabling technology for experimental cavity quantum electrodynamics, quantum information processing and matter wave interferometry.…

Pulse tube refrigerators are becoming more common, because they are cost efficient and demand less handling than conventional (wet) refrigerators. However, a downside of a pulse tube system is the vibration level at the cold-head, which is…

Instrumentation and Detectors · Physics 2014-04-16 A. M. J. den Haan , G. H. C. J. Wijts , F. Galli , O. Usenko , G. J. C. van Baarle , D. J. van der Zalm , T. H. Oosterkamp

The invention of scanning probe microscopy has revolutionized the way electronic phenomena are visualized. While present-day probes can access a variety of electronic properties at a single location in space, a scanning microscope that can…

Mesoscale and Nanoscale Physics · Physics 2023-03-14 Alon Inbar , John Birkbeck , Jiewen Xiao , Takashi Taniguchi , Kenji Watanabe , Binghai Yan , Yuval Oreg , Ady Stern , Erez Berg , Shahal Ilani

We report experimental demonstration of the feasibility of reaching temperatures below 1 mK using cryogen-free technology. Our prototype system comprises an adiabatic nuclear demagnetisation stage, based on hyperfine-enhanced nuclear…

Instrumentation and Detectors · Physics 2015-06-16 Graham Batey , Andrew Casey , Michael Cuthbert , Anthony Matthews , John Saunders , Aya Shibahara

Quantum physics emerge and develop as temperature is reduced. Although mesoscopic electrical circuits constitute an outstanding platform to explore quantum behavior, the challenge in cooling the electrons impedes their potential. The strong…

Mesoscale and Nanoscale Physics · Physics 2016-10-13 Z. Iftikhar , A. Anthore , S. Jezouin , F. D. Parmentier , Y. Jin , A. Cavanna , A. Ouerghi , U. Gennser , F. Pierre

Enabling temperature dependent experiments in Atomic Force Microscopy is of great interest to study materials and surface properties at the nanoscale. By studying Curie temperature of multiferroic materials, temperature based phase…

Instrumentation and Detectors · Physics 2018-07-19 A. del Moral , J. C. González-Rosillo , A. Gómez , T. Puig , X. Obradors

We propose a simple design of a quantum electron microscope that ``queries'' a beam-sensitive phase object, such as a biological specimen, as part of quantum computation. Lower quantum query complexity, not the time complexity, of a quantum…

Quantum Physics · Physics 2026-04-15 Hiroshi Okamoto

Preparing and manipulating quantum states of mechanical resonators is a highly interdisciplinary undertaking that now receives enormous interest for its far-reaching potential in fundamental and applied science. Up to now, only nanoscale…

A scaled-up quantum computer will require a highly efficient control interface that autonomously manipulates and reads out large numbers of qubits, which for solid-state implementations are usually held at millikelvin (mK) temperatures.…

This "Perspectives" paper gives a brief overview of the recent developments with quantum-gas microscopes and how they can be used to build the next generation of cold-atom quantum simulators.

Quantum Physics · Physics 2016-07-12 Stefan Kuhr

We demonstrate a novel atom chip trapping system that allows the placement and high-resolution imaging of ultracold atoms within microns from any <100 um-thin, UHV-compatible material, while also allowing sample exchange with minimal…

Extensive efforts over the past number of years have been applied to develop workflows for sample preparation of specimens for atom probe tomography at cryogenic temperatures. This is primarily due to the difficulty involved in preparing…

Materials Science · Physics 2024-08-08 Neil Mulcahy , James O Douglas , Michele Conroy

We report on our design of a scanning gate microscope housed in a cryogen-free dilution refrigerator with a base temperature of 15 mK. The recent increase in efficiency of pulse tube cryocoolers has made cryogen-free systems popular in…

Instrumentation and Detectors · Physics 2014-09-09 Matthew Pelliccione , Adam Sciambi , John Bartel , Andrew Keller , David Goldhaber-Gordon

Much of the exotic functionality of prime interest in quantum materials emerges from structural and electronic ground states that can only be accessed at cryogenic temperatures. Understanding device operation therefore requires structural…