# Unconventional Giant “Magnetoresistance" in Bosonic Semiconducting Diamond Nanorings

https://mdr.nims.go.jp/datasets/a2783110-63ec-48de-b3df-86d9699f7023

## File

- [Diamond Nanorings - for comments.pdf](https://mdr.nims.go.jp/filesets/fdb5bf8f-627a-4765-af61-f3faf7bdce83/download) ([Detail](https://mdr.nims.go.jp/filesets/fdb5bf8f-627a-4765-af61-f3faf7bdce83.md))

## Id

a2783110-63ec-48de-b3df-86d9699f7023

## Local identifier



## Visibility

open_to_public

## State

published

## Created at

2023-11-29T05:30:53.166786Z

## Updated at

2024-01-05T13:12:59.052458Z

## Published at

2023-12-06T04:30:40.742428Z

## Doi

https://doi.org/10.48505/nims.4274

## First published url

https://doi.org/10.1002/adma.202211129

## Date published

2023-04-07

## Recorded date published

2023-6

## Resource type

journal_article

## Manuscript type

authors_original

## Collection



## Title

- title: Unconventional Giant “Magnetoresistance" in Bosonic Semiconducting Diamond
    Nanorings
  title_type: original
  lang: en

## Description

- description: The emergence of superconductivity in doped insulators such as cuprates
    and pnictides coincides with their doping-driven insulator–metal transitions.
    Above the critical doping threshold, a metallic state sets in at high temperatures,
    while superconductivity sets in at low temperatures. An unanswered question is
    whether the formation of Cooper pairsin a well-established metal will inevitably
    transform the host material into a superconductor, as manifested by a resistance
    drop. Here, this question is addressed by investigating the electrical transport
    in nanoscale rings (full loops) and half loops manufactured from heavily boron-doped
    diamond. It is shown that in contrast to the diamond half-loops (DHLs) exhibiting
    a metal–superconductor transition, the diamond nanorings (DNRs) demonstrate a
    sharp resistance increase up to 430% and a giant negative “magnetoresistance”
    below the superconducting transition temperature of the starting material. The
    finding of the unconventional giant negative “magnetoresistance”, as distinct
    from existing categories of magnetoresistance, that is, the conventional giant
    magnetoresistance in magnetic multilayers, the colossal magnetoresistance in perovskites,
    and the geometric magnetoresistance in semiconductor–metal hybrids, reveals the
    transformation of the DNRs from metals to bosonic semiconductors upon the formation
    of Cooper pairs. DNRs like these could be used to manipulate Cooper pairs in superconducting
    quantum devices.
  description_type: abstract
  lang: eng

## Creator

- name: Gufei Zhang
  role: author
- name: Ramiz Zulkharnay
  role: author
- name: Xiaoxing Ke
  role: author
- name: Meiyong Liao
  role: author
  orcid: https://orcid.org/0000-0003-1361-4266
  organization: National Institute for Materials Science
- name: Liwang Liu
  role: author
- name: Yujie Guo
  role: author
- name: Yejun Li
  role: author
- name: Horst‐Günter Rubahn
  role: author
- name: Victor V. Moshchalkov
  role: author
- name: Paul W. May
  role: author

## Contact agent



## Publisher

organization: Wiley

## Managing organization



## Keyword

- subject: bosonic semiconductors
  schema: not_defined
- subject: diamond nanorings
  schema: not_defined
- subject: diamond nanowires
  schema: not_defined
- subject: trapping of Cooper pairs
  schema: not_defined
- subject: unconventional giant magnetoresistance
  schema: not_defined

## Rights

- description: 'This is the pre-peer reviewed version of the following article: Unconventional
    Giant “Magnetoresistance" in Bosonic Semiconducting Diamond Nanorings, which has
    been published in final form at https://doi.org/10.1002/adma.202211129. This article
    may be used for non-commercial purposes in accordance with Wiley Terms and Conditions
    for Use of Self-Archived Versions.'
  identifier: http://rightsstatements.org/vocab/InC/1.0/

## Other identifier(s)



## Data origin

- data_origin_type: other

## Embargo



## Journal

- title: ADVANCED MATERIALS
  issn: '09359648'
  volume: '35'
  issue: '22'
  start_page: 2211129
  end_page: 2211129

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## Fileset

- id: fdb5bf8f-627a-4765-af61-f3faf7bdce83
  filename: Diamond Nanorings - for comments.pdf
  content_type: application/pdf
  size: 571446
  md5: dbc2875227ed4e96262c2bdd5afa8e17

## Thumbnail

fileset_id: fdb5bf8f-627a-4765-af61-f3faf7bdce83
filename: Diamond Nanorings - for comments.pdf